Closest web-safe match: #333333

Color Details and Palettes for #423A1D

Details about the color Madras#423A1D

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

Amber family Warm WCAG ink: white
HEX #423A1D RGB rgb(66, 58, 29) HSL hsl(47, 39%, 19%) CMYK cmyk(0%, 12%, 56%, 74%)

Color profile

About Color Hex #423A1D

#423A1D is a warm color from the Amber family, closest in name to “Madras”. In RGB it is rgb(66, 58, 29); in HSL, hsl(47, 39%, 19%).

The color Madras, with hexadecimal code #423a1d, sits in the orange color family, typically linked to enthusiasm, creativity, and warmth. Orange hues stimulate appetite and social interaction, which is why food brands and community platforms favor them. Additionally, it evokes emotions such as Happiness, Optimism, Positivity, Intellect and Energy. Orange is associated with spirituality and courage in some cultures, such as in Hinduism and Buddhism. In Western cultures, it often represents autumn, harvest, and creativity. With a moderate saturation of 39%, it has a softened, muted quality that lends sophistication and works well for backgrounds and secondary elements. At only 19% 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 Happiness, Optimism, Positivity, Intellect, or Energy. It can be effectively used in web design, branding, and marketing materials to attract attention and convey specific messages.

Key facts

RGB 66, 58, 29 red · green · blue HSL 47° 39% 19% hue · sat · light HSV 47° 56% 26% design-app pickers CMYK 0 12 56 74 print inks, % Luminance 0.043 0 dark → 1 light On black 1.85:1 ✕ AA contrast ratio On white 11.32:1 ✓ AA contrast ratio Web-safe #333333 closest web-safe Best text white ideal foreground Character Vivid warm · amber family

The story of this color

History, Usage, Psychology & Design Ideas for #423A1D

Madras (#423A1D) belongs to the Amber 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

Amber—the fossilized tree resin—has been prized since the Neolithic period, with Baltic amber trade routes spanning from Scandinavia to the Mediterranean. The warm golden-yellow color named after this material became synonymous with preserved antiquity. In traffic engineering, amber signals 'caution'—a universal standard since the first traffic light was installed in London in 1868.

Design & Usage Tips

Amber tones bridge yellow and orange, lending warmth without the intensity of either extreme. They work beautifully in autumn-themed campaigns, artisanal food branding, and vintage-inspired designs. Pair amber with dark brown or forest green for an earthy, organic palette, or with ivory for a refined, warm-neutral scheme.

Positioned on the warm side of the color wheel (hue 47°), it naturally draws the eye and creates a sense of closeness—making it effective for calls to action, food photography, and hospitality branding. At 39% saturation, the color has a muted, sophisticated quality that pairs well with bolder accents. It works as a background, a border, or a secondary element in layered compositions.

Psychological Impact

Amber evokes warmth, nostalgia, and comfort—like candlelight or afternoon sunlight. It feels inviting and reassuring, making it excellent for hospitality, craft beverage, and home-goods branding. Amber also carries a gentle sense of caution inherited from traffic signals.

Its low lightness of 19% 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

Use amber gradients as warm overlays on hero photography for a golden-hour effect. Combine amber typography on dark backgrounds for a premium whiskey or craft-beer aesthetic. In UI design, amber status indicators effectively communicate 'pending' or 'in-progress' states.

Every format

#423A1D Color Conversions

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

12 formats
HEX Web
#423A1D

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(66, 58, 29)

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(47, 39%, 19%)

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(47, 56%, 26%)

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(47 11% 74%)

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%, 12%, 56%, 74%)

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(34.92% 0.046 94.38)

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

OKLab Modern
oklab(34.92% -0.004 0.046)

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: 24.55, a: -1.15, b: 19.19

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

LCH Perceptual
L: 24.55, C: 19.22, H: 93.44

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

XYZ CIE Science
X: 3.98, Y: 4.27, Z: 1.78

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
4340253

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 #423A1D

How much red, green and blue light mixes into Madras.

Red 66/255 43.1% Green 58/255 37.9% Blue 29/255 19.0%

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

Ink coverage

CMYK Ink Levels & Print Guide for #423A1D

Ink needed to reproduce Madras in four-color print. Heaviest ink: Key (Black).

0% CYAN 12% MAGENTA 56% YELLOW 74% 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 #423A1D

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

Relative luminance 0.043
0 · dark1 · light

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

Aa Black text 1.85:1 ✕ AA ✕ AAA ✕ Large
Aa White text 11.32:1 ✓ AA ✓ AAA ✓ Large

Developer shortcuts

Quick CSS Snippets for #423A1D

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

madras.css
background-color: #423A1D;
color: #423A1D;
border: 2px solid #423A1D;
background-color: rgb(66, 58, 29);
background-color: hsl(47, 39%, 19%);
--color: #423A1D;

Shades · light to dark

#423A1D Monochrome Palette

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

#ECEBE8
#D0CEC7
#B3B0A5
#979383
#7B7561
#5E583F
#423A1D
#383119
#2E2914
#242010
#1A170C
#110F07
#070603

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

Harmony · 180° apart

#423A1D Complementary Palette

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

#423A1D
#1E2643

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

Harmony · adjacent hues

#423A1D Analogic Palette

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

#423A1D
#39431E
#43281E
#26431E
#431E26
#1E4328
#431E39

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

Harmony · 120° apart

#423A1D Triadic Palette

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

#423A1D
#1E433B
#3B1E43

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

Harmony · 90° apart

#423A1D Quad Palette

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

#423A1D
#1E4328
#1E2643
#431E39

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

Accessibility

Color Blindness Simulation for #423A1D

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

#423A1D
#3F4026
#3F3E24
#422A2B
#3A3A3A
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 #423A1D

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

#1E2643
#39431E
#1E433B
#1E4328
Complementary opposite hue Analogous adjacent hue Triadic 120° apart Tetradic (Quad) 90° apart

Perceptually nearby

#423A1D Nearby Colors

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

Avocado Stone#554422
Wasabi Nori#333311
Jungle Beat#665533
Midnight Pines#222200
Secret Passage#443311
Café Noir#443322
Jungle King#444422
Forestry#334422

From the color-name library

Colors Similar to #423A1D

The closest named colors to #423A1D — same mood, each with its own character.

Madras#473E23
Avocado Stone#4E3E1F
Secret Passage#372A05
Olive Leaf#4E4B35
Wasabi Nori#333300
Jungle King#4F4D32
Graphite#383428
Alligator Gladiator#444411
Creole#393227
Go to Hell Black#342C21
Pineapple#563C0D
Café Noir#4B3621

Looking for more Orange shades? Browse Orange colors →

Inspiration

Explore Vibrant Images Featuring Madras (#423a1d)

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

Good to know

Frequently Asked Questions about #423A1D

#423A1D is a warm color from the Amber family. Its closest matched name is “Madras”, matched perceptually with the CIEDE2000 color-difference formula. In RGB it is rgb(66, 58, 29); in HSL, hsl(47, 39%, 19%).
In RGB, #423A1D is rgb(66, 58, 29); in HSL it is hsl(47, 39%, 19%); and in CMYK — the model used for print — it is cmyk(0%, 12%, 56%, 74%).
#423A1D has a contrast ratio of 1.85:1 against black and 11.32:1 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 #423A1D is #1E2643 (opposite on the color wheel). For ready-made combinations, this page includes monochrome, analogous, triadic and tetradic palettes built from #423A1D in the palette sections above.