Closest web-safe match: #FF3333

Color Details and Palettes for #E73F49

Details about the color X Marks the Spot#E73F49

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

Red family Warm WCAG ink: white
HEX #E73F49 RGB rgb(231, 63, 73) HSL hsl(356, 78%, 58%) CMYK cmyk(0%, 73%, 68%, 9%)

Color profile

About Color Hex #E73F49

#E73F49 is a warm color from the Red family, closest in name to “X Marks the Spot”. In RGB it is rgb(231, 63, 73); in HSL, hsl(356, 78%, 58%).

The color X Marks the Spot, with hexadecimal code #e73f49, 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 78% saturation, this color is clearly chromatic yet balanced—colorful enough to be distinctive without overwhelming adjacent content. With a mid-range lightness of 58%, it offers excellent versatility—readable as text on light backgrounds and visible as an element on dark ones. 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 231, 63, 73 red · green · blue HSL 356° 78% 58% hue · sat · light HSV 356° 73% 91% design-app pickers CMYK 0 73 68 9 print inks, % Luminance 0.210 0 dark → 1 light On black 5.20:1 ✓ AA contrast ratio On white 4.03:1 ✕ AA contrast ratio Web-safe #FF3333 closest web-safe Best text black ideal foreground Character Vivid warm · red family

The story of this color

History, Usage, Psychology & Design Ideas for #E73F49

X Marks the Spot (#E73F49) belongs to the Red color family.

This vivid mid-tone strikes the ideal balance between intensity and readability, making it a strong candidate for primary brand colors, interactive UI elements, and logo design where immediate recognition is essential.

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 356°), it naturally draws the eye and creates a sense of closeness—making it effective for calls to action, food photography, and hospitality branding. With 78% 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).

With a mid-range lightness of 58%, this tone is highly versatile: dark enough to serve as body text on white, yet light enough to stand out on charcoal or navy backgrounds.

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

#E73F49 Color Conversions

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

12 formats
HEX Web
#E73F49

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(231, 63, 73)

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(356, 78%, 58%)

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(356, 73%, 91%)

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(356 25% 9%)

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%, 73%, 68%, 9%)

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(61.96% 0.204 22.48)

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

OKLab Modern
oklab(61.96% 0.188 0.078)

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: 52.98, a: 64.23, b: 33.56

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

LCH Perceptual
L: 52.98, C: 72.47, H: 27.58

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

XYZ CIE Science
X: 35.94, Y: 21.02, Z: 8.47

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
15155017

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 #E73F49

How much red, green and blue light mixes into X Marks the Spot.

Red 231/255 62.9% Green 63/255 17.2% Blue 73/255 19.9%

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

Ink coverage

CMYK Ink Levels & Print Guide for #E73F49

Ink needed to reproduce X Marks the Spot in four-color print. Heaviest ink: Magenta.

0% CYAN 73% MAGENTA 68% YELLOW 9% 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 #E73F49

How bright X Marks the Spot is, and how far black and white text clear each WCAG bar.

Relative luminance 0.210
0 · dark1 · light

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

Aa Black text 5.20:1 ✓ AA ✕ AAA ✓ Large
Aa White text 4.03:1 ✕ AA ✕ AAA ✓ Large

Developer shortcuts

Quick CSS Snippets for #E73F49

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

x-marks-the-spot.css
background-color: #E73F49;
color: #E73F49;
border: 2px solid #E73F49;
background-color: rgb(231, 63, 73);
background-color: hsl(356, 78%, 58%);
--color: #E73F49;

Shades · light to dark

#E73F49 Monochrome Palette

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

#FDECED
#F9CFD2
#F5B2B6
#F2959B
#EE7980
#EB5C64
#E73F49
#C4363E
#A22C33
#7F2328
#5C191D
#3A1012
#170607

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

Harmony · 180° apart

#E73F49 Complementary Palette

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

#E73F49
#40E7DC

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

Harmony · adjacent hues

#E73F49 Analogic Palette

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

#E73F49
#E78940
#E7409F
#E7DC40
#DC40E7
#9FE740
#8940E7

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

Harmony · 120° apart

#E73F49 Triadic Palette

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

#E73F49
#4CE740
#404CE7

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

Harmony · 90° apart

#E73F49 Quad Palette

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

#E73F49
#9FE740
#40E7DC
#8940E7

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

Accessibility

Color Blindness Simulation for #E73F49

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

#E73F49
#A8B546
#9E9D47
#DF4544
#636363
Normal vision full color Deuteranopia green weakness ✕ Not friendly Protanopia red weakness ✕ Not friendly Tritanopia blue-yellow weakness ✓ Friendly Achromatopsia total color blindness ✕ Not friendly

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

Harmony overview

Color Harmonies for #E73F49

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

#40E7DC
#E78940
#4CE740
#9FE740
Complementary opposite hue Analogous adjacent hue Triadic 120° apart Tetradic (Quad) 90° apart

Perceptually nearby

#E73F49 Nearby Colors

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

Grapefruit#FF5555
Persian Red#CC3333
Pompelmo#FF6666
Active Volcano#BB1133
Red Radish#EE3344
Desire#DD4455
Matt Demon#DD4433
Desire#EE3355

From the color-name library

Colors Similar to #E73F49

The closest named colors to #E73F49 — same mood, each with its own character.

X Marks the Spot#E6474A
Red Radish#EE3344
Watermelonade#EB4652
Cute Crab#DD4444
Red Arremer#E44E4D
Poppy Red#DD3845
Charismatic Red#EE2244
Serial Kisses#DD3744
Desire#EA3C53
Strawberry#FB2943
Imperial Red#EC2938
Horror Snob#D34D4D

Looking for more Red shades? Browse Red colors →

Inspiration

Explore Vibrant Images Featuring X Marks the Spot (#e73f49)

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

Good to know

Frequently Asked Questions about #E73F49

#E73F49 is a warm color from the Red family. Its closest matched name is “X Marks the Spot”, matched perceptually with the CIEDE2000 color-difference formula. In RGB it is rgb(231, 63, 73); in HSL, hsl(356, 78%, 58%).
In RGB, #E73F49 is rgb(231, 63, 73); in HSL it is hsl(356, 78%, 58%); and in CMYK — the model used for print — it is cmyk(0%, 73%, 68%, 9%).
#E73F49 has a contrast ratio of 5.20:1 against black and 4.03:1 against white. For readability, black body text meets the WCAG AA threshold of 4.5:1 on it, while white does not.
The direct complement of #E73F49 is #40E7DC (opposite on the color wheel). For ready-made combinations, this page includes monochrome, analogous, triadic and tetradic palettes built from #E73F49 in the palette sections above.