#7D181F#7D181F

#7D181F is a dark, vivid red. Relative luminance 0.051; OKLCH L 38.8% C 0.135 H 23.0°. Best body text is #FFFFFF at 10.38:1 contrast (WCAG AA passes).

Color values

HEX	#7D181F
RGB	rgb(125, 24, 31)
HSL	hsl(356, 68%, 29%)
HSV	hsv(356, 81%, 49%)
CMYK	cmyk(0%, 80.8%, 75.2%, 51%)
CIE-LAB	lab(27.06, 42.58, 23.21)
CIE-LCH	lch(27.06, 48.50, 28.60°)
OKLab	oklab(38.77% 0.1243 0.0528)
OKLCH	oklch(38.77% 0.135 23)
XYZ	xyz(9.0325, 5.1136, 1.8075)
Luminance	0.0511 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#7D181F #187D76

analogous

#7D1852 #7D181F #7D4418

triadic

#7D181F #1F7D18 #181F7D

tetradic

#7D181F #527D18 #187D76 #44187D

square

#7D181F #527D18 #187D76 #44187D

split-complementary

#7D181F #187D44 #18527D

monochromatic

#1A0506 #4A0E12 #7D181F #B0222C #D93742

Accessibility & contrast

On white

10.38

#7D181F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#7D181F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #7D181F

10.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##7D181F	#FFFFFF	#000000	##FFFFFF
##7D181F	1.00	10.38	2.02	10.38
#FFFFFF	10.38	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37321E

Deuteranopia (green-blind)

#50481B

Tritanopia (blue-blind)

#8A001C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #7d181f;
/* rgb */ color: rgb(125, 24, 31);
/* oklch */ color: oklch(38.8% 0.135 23.0);

Tailwind

colors: {
  custom: {
    50: '#aa5f5a',
    500: '#7d181f',
    950: '#000000',
  },
}

SCSS

$custom: #7d181f;
$custom-light: #aa5f5a;
$custom-dark: #000000;

JSON

{
  "hex": "#7d181f",
  "rgb": {
    "r": 125,
    "g": 24,
    "b": 31
  },
  "hsl": {
    "h": 355.842,
    "s": 67.785,
    "l": 29.216
  },
  "oklch": {
    "l": 0.3877,
    "c": 0.1351,
    "h": 23
  },
  "luminance": 0.05112
}

Semantic roles & 50–950 ramp

primary

#7D181F

secondary

#3FB2AA

accent

#EBDF3D

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#110504

muted

#807979

Preview Lab

Preview with #7D181F

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

Preview Lab → · Contrast checker → · Palette generator →