#7D181B#7D181B

#7D181B is a dark, vivid red. Relative luminance 0.051; OKLCH L 38.7% C 0.136 H 25.0°. Best body text is #FFFFFF at 10.40:1 contrast (WCAG AA passes).

Color values

HEX	#7D181B
RGB	rgb(125, 24, 27)
HSL	hsl(358, 68%, 29%)
HSV	hsv(358, 81%, 49%)
CMYK	cmyk(0%, 80.8%, 78.4%, 51%)
CIE-LAB	lab(27.00, 42.41, 25.70)
CIE-LCH	lch(27.00, 49.59, 31.22°)
OKLab	oklab(38.71% 0.1228 0.0573)
OKLCH	oklch(38.71% 0.136 25)
XYZ	xyz(8.9830, 5.0938, 1.5469)
Luminance	0.0509 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#7D181B #187D7A

analogous

#7D184E #7D181B #7D4818

triadic

#7D181B #1B7D18 #181B7D

tetradic

#7D181B #4E7D18 #187D7A #48187D

square

#7D181B #4E7D18 #187D7A #48187D

split-complementary

#7D181B #187D48 #184E7D

monochromatic

#1A0506 #4A0E10 #7D181B #B02226 #D9373C

Accessibility & contrast

On white

10.40

#7D181B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#7D181B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #7D181B

10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##7D181B	#FFFFFF	#000000	##FFFFFF
##7D181B	1.00	10.40	2.02	10.40
#FFFFFF	10.40	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37321A

Deuteranopia (green-blind)

#504817

Tritanopia (blue-blind)

#8A001A

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #7d181b;
/* rgb */ color: rgb(125, 24, 27);
/* oklch */ color: oklch(38.7% 0.136 25.0);

Tailwind

colors: {
  custom: {
    50: '#aa5f57',
    500: '#7d181b',
    950: '#000000',
  },
}

SCSS

$custom: #7d181b;
$custom-light: #aa5f57;
$custom-dark: #000000;

JSON

{
  "hex": "#7d181b",
  "rgb": {
    "r": 125,
    "g": 24,
    "b": 27
  },
  "hsl": {
    "h": 358.218,
    "s": 67.785,
    "l": 29.216
  },
  "oklch": {
    "l": 0.3871,
    "c": 0.13551,
    "h": 25
  },
  "luminance": 0.05092
}

Semantic roles & 50–950 ramp

primary

#7D181B

secondary

#3FB2AE

accent

#EBE63D

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#110503

muted

#807978

Preview Lab

Preview with #7D181B

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

Preview Lab → · Contrast checker → · Palette generator →