#7C181C#7C181C

#7C181C is a dark, vivid red. Relative luminance 0.050; OKLCH L 38.5% C 0.134 H 24.5°. Best body text is #FFFFFF at 10.48:1 contrast (WCAG AA passes).

Color values

HEX	#7C181C
RGB	rgb(124, 24, 28)
HSL	hsl(358, 68%, 29%)
HSV	hsv(358, 81%, 49%)
CMYK	cmyk(0%, 80.6%, 77.4%, 51.4%)
CIE-LAB	lab(26.80, 42.13, 24.79)
CIE-LCH	lch(26.80, 48.88, 30.47°)
OKLab	oklab(38.53% 0.1223 0.0556)
OKLCH	oklch(38.53% 0.134 24.5)
XYZ	xyz(8.8495, 5.0236, 1.6021)
Luminance	0.0502 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#7C181C #187C78

analogous

#7C184E #7C181C #7C4618

triadic

#7C181C #1C7C18 #181C7C

tetradic

#7C181C #4E7C18 #187C78 #46187C

square

#7C181C #4E7C18 #187C78 #46187C

split-complementary

#7C181C #187C46 #184E7C

monochromatic

#1A0506 #490E10 #7C181C #AF2228 #D8363D

Accessibility & contrast

On white

10.48

#7C181C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#7C181C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #7C181C

10.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##7C181C	#FFFFFF	#000000	##FFFFFF
##7C181C	1.00	10.48	2.00	10.48
#FFFFFF	10.48	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37321B

Deuteranopia (green-blind)

#504718

Tritanopia (blue-blind)

#89001B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #7c181c;
/* rgb */ color: rgb(124, 24, 28);
/* oklch */ color: oklch(38.5% 0.134 24.5);

Tailwind

colors: {
  custom: {
    50: '#aa5f58',
    500: '#7c181c',
    950: '#000000',
  },
}

SCSS

$custom: #7c181c;
$custom-light: #aa5f58;
$custom-dark: #000000;

JSON

{
  "hex": "#7c181c",
  "rgb": {
    "r": 124,
    "g": 24,
    "b": 28
  },
  "hsl": {
    "h": 357.6,
    "s": 67.568,
    "l": 29.02
  },
  "oklch": {
    "l": 0.3853,
    "c": 0.13436,
    "h": 24.5
  },
  "luminance": 0.05022
}

Semantic roles & 50–950 ramp

primary

#7C181C

secondary

#3FB1AC

accent

#EAE43D

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#110503

muted

#807978

Preview Lab

Preview with #7C181C

Body copy rendered with the generated semantic roles for this colour.

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