#7F181B#7F181B

#7F181B is a dark, vivid red. Relative luminance 0.052; OKLCH L 39.1% C 0.138 H 25.1°. Best body text is #FFFFFF at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#7F181B
RGB	rgb(127, 24, 27)
HSL	hsl(358, 68%, 30%)
HSV	hsv(358, 81%, 50%)
CMYK	cmyk(0%, 81.1%, 78.7%, 50.2%)
CIE-LAB	lab(27.42, 43.05, 26.29)
CIE-LCH	lch(27.42, 50.44, 31.41°)
OKLab	oklab(39.1% 0.1246 0.0584)
OKLCH	oklch(39.1% 0.138 25.1)
XYZ	xyz(9.2780, 5.2459, 1.5607)
Luminance	0.0524 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#7F181B #187F7C

analogous

#7F184F #7F181B #7F4818

triadic

#7F181B #1B7F18 #181B7F

tetradic

#7F181B #4F7F18 #187F7C #48187F

square

#7F181B #4F7F18 #187F7C #48187F

split-complementary

#7F181B #187F48 #184F7F

monochromatic

#1A0505 #4C0E10 #7F181B #B22226 #D9383D

Accessibility & contrast

On white

10.25

#7F181B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#7F181B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #7F181B

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##7F181B	#FFFFFF	#000000	##FFFFFF
##7F181B	1.00	10.25	2.05	10.25
#FFFFFF	10.25	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38331A

Deuteranopia (green-blind)

#514917

Tritanopia (blue-blind)

#8C001B

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #7f181b;
/* rgb */ color: rgb(127, 24, 27);
/* oklch */ color: oklch(39.1% 0.138 25.1);

Tailwind

colors: {
  custom: {
    50: '#ac6057',
    500: '#7f181b',
    950: '#000000',
  },
}

SCSS

$custom: #7f181b;
$custom-light: #ac6057;
$custom-dark: #000000;

JSON

{
  "hex": "#7f181b",
  "rgb": {
    "r": 127,
    "g": 24,
    "b": 27
  },
  "hsl": {
    "h": 358.252,
    "s": 68.212,
    "l": 29.608
  },
  "oklch": {
    "l": 0.39101,
    "c": 0.13758,
    "h": 25.1
  },
  "luminance": 0.05244
}

Semantic roles & 50–950 ramp

primary

#7F181B

secondary

#3FB3B0

accent

#EBE63D

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#120503

muted

#817978

Preview Lab

Preview with #7F181B

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

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