#7B181A#7B181A

#7B181A is a dark, vivid red. Relative luminance 0.049; OKLCH L 38.3% C 0.134 H 25.4°. Best body text is #FFFFFF at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#7B181A
RGB	rgb(123, 24, 26)
HSL	hsl(359, 67%, 29%)
HSV	hsv(359, 80%, 48%)
CMYK	cmyk(0%, 80.5%, 78.9%, 51.8%)
CIE-LAB	lab(26.56, 41.72, 25.73)
CIE-LCH	lch(26.56, 49.01, 31.66°)
OKLab	oklab(38.31% 0.1207 0.0572)
OKLCH	oklch(38.31% 0.134 25.4)
XYZ	xyz(8.6825, 4.9402, 1.4735)
Luminance	0.0494 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#7B181A #187B79

analogous

#7B184C #7B181A #7B4818

triadic

#7B181A #1A7B18 #181A7B

tetradic

#7B181A #4C7B18 #187B79 #48187B

square

#7B181A #4C7B18 #187B79 #48187B

split-complementary

#7B181A #187B48 #184C7B

monochromatic

#1A0505 #480E0F #7B181A #AE2225 #D83639

Accessibility & contrast

On white

10.56

#7B181A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#7B181A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #7B181A

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##7B181A	#FFFFFF	#000000	##FFFFFF
##7B181A	1.00	10.56	1.99	10.56
#FFFFFF	10.56	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373119

Deuteranopia (green-blind)

#4F4616

Tritanopia (blue-blind)

#88001A

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #7b181a;
/* rgb */ color: rgb(123, 24, 26);
/* oklch */ color: oklch(38.3% 0.134 25.4);

Tailwind

colors: {
  custom: {
    50: '#a95f57',
    500: '#7b181a',
    950: '#000000',
  },
}

SCSS

$custom: #7b181a;
$custom-light: #a95f57;
$custom-dark: #000000;

JSON

{
  "hex": "#7b181a",
  "rgb": {
    "r": 123,
    "g": 24,
    "b": 26
  },
  "hsl": {
    "h": 358.788,
    "s": 67.347,
    "l": 28.824
  },
  "oklch": {
    "l": 0.38306,
    "c": 0.13355,
    "h": 25.4
  },
  "luminance": 0.04939
}

Semantic roles & 50–950 ramp

primary

#7B181A

secondary

#3FB0AD

accent

#EAE73E

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#110503

muted

#807978

Preview Lab

Preview with #7B181A

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

Preview Lab → · Contrast checker → · Palette generator →