#7C181D#7C181D

#7C181D is a dark, vivid red. Relative luminance 0.050; OKLCH L 38.5% C 0.134 H 24.0°. Best body text is #FFFFFF at 10.47:1 contrast (WCAG AA passes).

Color values

HEX	#7C181D
RGB	rgb(124, 24, 29)
HSL	hsl(357, 68%, 29%)
HSV	hsv(357, 81%, 49%)
CMYK	cmyk(0%, 80.6%, 76.6%, 51.4%)
CIE-LAB	lab(26.82, 42.17, 24.17)
CIE-LCH	lch(26.82, 48.61, 29.82°)
OKLab	oklab(38.54% 0.1227 0.0545)
OKLCH	oklch(38.54% 0.134 24)
XYZ	xyz(8.8616, 5.0285, 1.6661)
Luminance	0.0503 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#7C181D #187C77

analogous

#7C184F #7C181D #7C4518

triadic

#7C181D #1D7C18 #181D7C

tetradic

#7C181D #4F7C18 #187C77 #45187C

square

#7C181D #4F7C18 #187C77 #45187C

split-complementary

#7C181D #187C45 #184F7C

monochromatic

#1A0506 #490E11 #7C181D #AF2229 #D8363E

Accessibility & contrast

On white

10.47

#7C181D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#7C181D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #7C181D

10.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##7C181D	#FFFFFF	#000000	##FFFFFF
##7C181D	1.00	10.47	2.01	10.47
#FFFFFF	10.47	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37321C

Deuteranopia (green-blind)

#4F4719

Tritanopia (blue-blind)

#89001B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #7c181d;
/* rgb */ color: rgb(124, 24, 29);
/* oklch */ color: oklch(38.5% 0.134 24.0);

Tailwind

colors: {
  custom: {
    50: '#aa5f59',
    500: '#7c181d',
    950: '#000000',
  },
}

SCSS

$custom: #7c181d;
$custom-light: #aa5f59;
$custom-dark: #000000;

JSON

{
  "hex": "#7c181d",
  "rgb": {
    "r": 124,
    "g": 24,
    "b": 29
  },
  "hsl": {
    "h": 357,
    "s": 67.568,
    "l": 29.02
  },
  "oklch": {
    "l": 0.38544,
    "c": 0.13425,
    "h": 24
  },
  "luminance": 0.05027
}

Semantic roles & 50–950 ramp

primary

#7C181D

secondary

#3FB1AB

accent

#EAE23D

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#110503

muted

#807978

Preview Lab

Preview with #7C181D

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

Preview Lab → · Contrast checker → · Palette generator →