Closest web-safe match: #330000

Color Details and Palettes for #40150F

Details about the color English Breakfast#40150F

Conversions, palettes, contrast & design ideas for this color.

Red family Warm WCAG ink: white
HEX #40150F RGB rgb(64, 21, 15) HSL hsl(7, 62%, 15%) CMYK cmyk(0%, 67%, 77%, 75%)

Color profile

About Color Hex #40150F

#40150F is a warm color from the Red family, closest in name to “English Breakfast”. In RGB it is rgb(64, 21, 15); in HSL, hsl(7, 62%, 15%).

The color English Breakfast, with hexadecimal code #40150f, falls within the red color family, a hue strongly linked to passion, urgency, and primal energy. Across cultures, red ranges from the luck of Chinese New Year to the romance of Western Valentine's Day. Additionally, it evokes emotions such as Passion, Energy, Love, Excitement, Danger and Desire. In many Eastern cultures, red symbolizes luck, prosperity, and happiness, often used in festivals and weddings. In Western cultures, red can symbolize passion, love, and sometimes danger. At 62% saturation, this color is clearly chromatic yet balanced—colorful enough to be distinctive without overwhelming adjacent content. At only 15% lightness, this extremely dark shade approaches black, delivering maximum drama and contrast when paired with lighter elements. This color is ideal for designs that aim to express Passion, Energy, Love, Excitement, Danger, or Desire. It can be effectively used in web design, branding, and marketing materials to attract attention and convey specific messages.

Key facts

RGB 64, 21, 15 red · green · blue HSL 7° 62% 15% hue · sat · light HSV 7° 77% 25% design-app pickers CMYK 0 67 77 75 print inks, % Luminance 0.017 0 dark → 1 light On black 1.33:1 ✕ AA contrast ratio On white 15.76:1 ✓ AA contrast ratio Web-safe #330000 closest web-safe Best text white ideal foreground Character Vivid warm · red family

The story of this color

History, Usage, Psychology & Design Ideas for #40150F

English Breakfast (#40150F) belongs to the Red color family.

This deep, saturated shade conveys authority and richness. Deep tones are favored in luxury packaging, evening-event branding, and dark-mode interfaces where they provide dramatic contrast against lighter elements.

Historical Background

Red ochre is among the earliest pigments used by humans, found in cave paintings over 40,000 years old. The precious cochineal dye—extracted from scale insects—was so valuable in colonial-era trade that it rivaled gold. In imperial China, vermilion lacquer adorned thrones and temples, while Roman generals painted their faces red for triumphal processions through the streets of Rome.

Design & Usage Tips

Red commands instant attention, making it the top choice for call-to-action buttons, sale banners, and emergency signage. Use it selectively to avoid overwhelming users—pair red accents with neutral backgrounds (white, light gray, or cream) to create high-impact focal points that guide the eye without fatigue.

Positioned on the warm side of the color wheel (hue 7°), it naturally draws the eye and creates a sense of closeness—making it effective for calls to action, food photography, and hospitality branding. With 62% saturation, it occupies a comfortable middle ground: colorful enough to be distinctive, yet restrained enough for extended reading or large surface areas.

Psychological Impact

Red accelerates heart rate and triggers primal alertness, linking it to passion, urgency, and excitement. In marketing, red increases impulse buying; in UX, red signals errors or critical states. Culturally, red spans love (Western Valentine's Day) and luck (Chinese New Year).

Its low lightness of 15% gives it a deep, intense presence. Deep tones like this excel as dark-mode backgrounds, header bars, and anywhere a sense of gravity or luxury is desired.

Creative Design Ideas

Combine a rich crimson with gold foil for luxury packaging. In web design, use a single red accent button on a monochrome page for maximum conversion impact. For sports branding, pair red with black and white for aggressive, high-energy team identities.

Every format

#40150F Color Conversions

Every way to write English Breakfast — one-tap copy on every format; tap on any card to learn what it is and when to use it.

12 formats
HEX Web
#40150F

Hexadecimal is the web’s universal color notation — two digits each for red, green and blue. Drop it straight into HTML, CSS or any design tool.

RGB Screen
rgb(64, 21, 15)

RGB is the additive Red-Green-Blue model every screen uses to emit light. The default choice for websites, apps and on-screen UI.

HSL Web
hsl(7, 62%, 15%)

HSL breaks a color into Hue, Saturation and Lightness — the most intuitive way to lighten, darken or mute a color in CSS.

HSV HSB Design
hsv(7, 77%, 25%)

HSV (also called HSB) maps Hue, Saturation and Value/Brightness. It is the model behind the color pickers in Photoshop, Figma and most design apps.

HWB CSS 4
hwb(7 6% 75%)

HWB blends a pure hue with Whiteness and Blackness — a painter-friendly model added in CSS Color 4 for quick tints and shades.

CMYK Print
cmyk(0%, 67%, 77%, 75%)

CMYK is the subtractive Cyan-Magenta-Yellow-Black ink model. Use these values when preparing artwork for a printer or commercial press.

OKLCH Modern
oklch(26.30% 0.069 30.29)

OKLCH is a modern, perceptually-uniform space (Lightness, Chroma, Hue). It powers smooth gradients and accessible palettes in today’s CSS.

OKLab Modern
oklab(26.30% 0.059 0.035)

OKLab is the Cartesian form of OKLCH — ideal for blending and interpolating colors without the muddy midpoints older spaces produce.

CIELAB L*a*b* Perceptual
L: 13.60, a: 20.51, b: 14.25

CIELAB is a device-independent, perceptually-uniform space. It is the standard for measuring color difference (ΔE) and matching across devices.

LCH Perceptual
L: 13.60, C: 24.97, H: 34.80

LCH is CIELAB in cylindrical form — Lightness, Chroma and Hue — letting you adjust vividness and hue while staying perceptually even.

XYZ CIE Science
X: 2.47, Y: 1.66, Z: 0.64

CIE XYZ is the 1931 master space that underpins every other model here — the scientific bridge used to convert between color systems.

Decimal int Code
4199695

The 24-bit integer value of the color — handy for databases, APIs, game engines and low-level graphics code.

Channel breakdown

RGB Color Percentages for #40150F

How much red, green and blue light mixes into English Breakfast.

Red 64/255 64.0% Green 21/255 21.0% Blue 15/255 15.0%

Percentages show each channel's share of the total light (R + G + B) in English Breakfast.

Ink coverage

CMYK Ink Levels & Print Guide for #40150F

Ink needed to reproduce English Breakfast in four-color print. Heaviest ink: Yellow.

0% CYAN 67% MAGENTA 77% YELLOW 75% KEY

Print tip: treat these values as a starting point — final output depends on printer profile, paper stock and calibration.

Accessibility · WCAG

Luminance & Contrast for #40150F

How bright English Breakfast is, and how far black and white text clear each WCAG bar.

Relative luminance 0.017
0 · dark1 · light

Contrast ratio · 1:1 → 21:1 (log scale)

Aa Black text 1.33:1 ✕ AA ✕ AAA ✕ Large
Aa White text 15.76:1 ✓ AA ✓ AAA ✓ Large

Developer shortcuts

Quick CSS Snippets for #40150F

Copy-and-paste CSS for English Breakfast — per-line copy, or grab the whole block.

english-breakfast.css
background-color: #40150F;
color: #40150F;
border: 2px solid #40150F;
background-color: rgb(64, 21, 15);
background-color: hsl(7, 62%, 15%);
--color: #40150F;

Shades · light to dark

#40150F Monochrome Palette

Lighter and darker steps of English Breakfast — the color's full brightness range in one strip.

#ECE8E7
#CFC5C3
#B3A19F
#967E7B
#795B57
#5D3833
#40150F
#36120D
#2D0F0B
#230C08
#1A0806
#100504
#060202

The dot marks the original color. Hover any shade to copy its hex or open its color page.

Harmony · 180° apart

#40150F Complementary Palette

Two colors opposite on the wheel — maximum contrast for attention-grabbing accents.

#40150F
#0F383E

The dot marks the original color. Hover any shade to copy its hex or open its color page.

Harmony · adjacent hues

#40150F Analogic Palette

Neighboring hues on the wheel — harmonious, calm combinations that feel unified.

#40150F
#3E2C0F
#3E0F21
#383E0F
#3E0F38
#213E0F
#2C0F3E

The dot marks the original color. Hover any shade to copy its hex or open its color page.

Harmony · 120° apart

#40150F Triadic Palette

Three colors evenly spaced on the wheel — vibrant and energetic, yet balanced.

#40150F
#0F3E14
#140F3E

The dot marks the original color. Hover any shade to copy its hex or open its color page.

Harmony · 90° apart

#40150F Quad Palette

Four colors evenly spaced on the wheel (tetradic) — rich schemes with multiple accents.

#40150F
#213E0F
#0F383E
#2C0F3E

The dot marks the original color. Hover any shade to copy its hex or open its color page.

Accessibility

Color Blindness Simulation for #40150F

How English Breakfast reads across five kinds of color vision — a ✓ Friendly verdict means the color difference stays distinguishable for that vision type.

#40150F
#303311
#2D2D10
#3E1212
#1E1E1E
Normal vision full color Deuteranopia green weakness ✓ Friendly Protanopia red weakness ✓ Friendly Tritanopia blue-yellow weakness ✓ Friendly Achromatopsia total color blindness ✓ Friendly

The dot marks the original color. Hover any shade to copy its hex.

Harmony overview

Color Harmonies for #40150F

The lead color from each harmony scheme, side by side — a shortcut to the full palettes above.

#0F383E
#3E2C0F
#0F3E14
#213E0F
Complementary opposite hue Analogous adjacent hue Triadic 120° apart Tetradic (Quad) 90° apart

Perceptually nearby

#40150F Nearby Colors

A step away in brightness, richness or shade — each still feels like the same color.

Lonestar#552222
3AM Breakup#330000
Freshly Roasted Coffee#663322
Dwarf Fortress#220000
Black Chocolate#441100
Burnt Coffee#332211
English Breakfast#441111
Secret Passage#332200

From the color-name library

Colors Similar to #40150F

The closest named colors to #40150F — same mood, each with its own character.

English Breakfast#441111
Minotaur Hide#4A120D
Black Chocolate#441100
Old Study#431705
Torrefacto Roast#4E241E
Lonely Chocolate#4A0A00
Chocolate Rush#4E1B0B
3AM Breakup#330404
Bitter Chocolate#4F2923
Délicieux au Chocolat#412010
Burned#520B00
Couch#4E2A20

Looking for more Red shades? Browse Red colors →

Inspiration

Explore Vibrant Images Featuring English Breakfast (#40150f)

Curated Unsplash photos that carry the mood of English Breakfast — hover any tile to download it or view the original.

Good to know

Frequently Asked Questions about #40150F

#40150F is a warm color from the Red family. Its closest matched name is “English Breakfast”, matched perceptually with the CIEDE2000 color-difference formula. In RGB it is rgb(64, 21, 15); in HSL, hsl(7, 62%, 15%).
In RGB, #40150F is rgb(64, 21, 15); in HSL it is hsl(7, 62%, 15%); and in CMYK — the model used for print — it is cmyk(0%, 67%, 77%, 75%).
#40150F has a contrast ratio of 1.33:1 against black and 15.76:1 against white. For readability, white body text meets the WCAG AA threshold of 4.5:1 on it, while black does not.
The direct complement of #40150F is #0F383E (opposite on the color wheel). For ready-made combinations, this page includes monochrome, analogous, triadic and tetradic palettes built from #40150F in the palette sections above.