#7B181C#7B181C

#7B181C is a dark, vivid red. Relative luminance 0.049; OKLCH L 38.3% C 0.133 H 24.4°. Best body text is #FFFFFF at 10.55:1 contrast (WCAG AA passes).

Color values

HEX	#7B181C
RGB	rgb(123, 24, 28)
HSL	hsl(358, 67%, 29%)
HSV	hsv(358, 80%, 48%)
CMYK	cmyk(0%, 80.5%, 77.2%, 51.8%)
CIE-LAB	lab(26.59, 41.81, 24.49)
CIE-LCH	lch(26.59, 48.45, 30.36°)
OKLab	oklab(38.34% 0.1214 0.055)
OKLCH	oklch(38.34% 0.133 24.4)
XYZ	xyz(8.7056, 4.9494, 1.5953)
Luminance	0.0495 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#7B181C #187B77

analogous

#7B184E #7B181C #7B4618

triadic

#7B181C #1C7B18 #181C7B

tetradic

#7B181C #4E7B18 #187B77 #46187B

square

#7B181C #4E7B18 #187B77 #46187B

split-complementary

#7B181C #187B46 #184E7B

monochromatic

#1A0506 #480E10 #7B181C #AE2228 #D8363C

Accessibility & contrast

On white

10.55

#7B181C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#7B181C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #7B181C

10.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##7B181C	#FFFFFF	#000000	##FFFFFF
##7B181C	1.00	10.55	1.99	10.55
#FFFFFF	10.55	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36311B

Deuteranopia (green-blind)

#4F4718

Tritanopia (blue-blind)

#88001B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #7b181c;
/* rgb */ color: rgb(123, 24, 28);
/* oklch */ color: oklch(38.3% 0.133 24.4);

Tailwind

colors: {
  custom: {
    50: '#a95f58',
    500: '#7b181c',
    950: '#000000',
  },
}

SCSS

$custom: #7b181c;
$custom-light: #a95f58;
$custom-dark: #000000;

JSON

{
  "hex": "#7b181c",
  "rgb": {
    "r": 123,
    "g": 24,
    "b": 28
  },
  "hsl": {
    "h": 357.576,
    "s": 67.347,
    "l": 28.824
  },
  "oklch": {
    "l": 0.38335,
    "c": 0.13332,
    "h": 24.4
  },
  "luminance": 0.04948
}

Semantic roles & 50–950 ramp

primary

#7B181C

secondary

#3FB0AB

accent

#EAE33E

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#110503

muted

#807978

Preview Lab

Preview with #7B181C

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

Preview Lab → · Contrast checker → · Palette generator →