#7A181B#7A181B

#7A181B is a dark, vivid red. Relative luminance 0.049; OKLCH L 38.1% C 0.132 H 24.8°. Best body text is #FFFFFF at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#7A181B
RGB	rgb(122, 24, 27)
HSL	hsl(358, 67%, 29%)
HSV	hsv(358, 80%, 48%)
CMYK	cmyk(0%, 80.3%, 77.9%, 52.2%)
CIE-LAB	lab(26.36, 41.44, 24.82)
CIE-LCH	lch(26.36, 48.30, 30.91°)
OKLab	oklab(38.13% 0.1202 0.0556)
OKLCH	oklch(38.13% 0.132 24.8)
XYZ	xyz(8.5515, 4.8713, 1.5267)
Luminance	0.0487 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#7A181B #187A77

analogous

#7A184C #7A181B #7A4618

triadic

#7A181B #1B7A18 #181B7A

tetradic

#7A181B #4C7A18 #187A77 #46187A

square

#7A181B #4C7A18 #187A77 #46187A

split-complementary

#7A181B #187A46 #184C7A

monochromatic

#1A0506 #470E10 #7A181B #AD2226 #D7353A

Accessibility & contrast

On white

10.64

#7A181B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#7A181B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #7A181B

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##7A181B	#FFFFFF	#000000	##FFFFFF
##7A181B	1.00	10.64	1.97	10.64
#FFFFFF	10.64	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36311A

Deuteranopia (green-blind)

#4E4617

Tritanopia (blue-blind)

#87001A

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #7a181b;
/* rgb */ color: rgb(122, 24, 27);
/* oklch */ color: oklch(38.1% 0.132 24.8);

Tailwind

colors: {
  custom: {
    50: '#a85f57',
    500: '#7a181b',
    950: '#000000',
  },
}

SCSS

$custom: #7a181b;
$custom-light: #a85f57;
$custom-dark: #000000;

JSON

{
  "hex": "#7a181b",
  "rgb": {
    "r": 122,
    "g": 24,
    "b": 27
  },
  "hsl": {
    "h": 358.163,
    "s": 67.123,
    "l": 28.627
  },
  "oklch": {
    "l": 0.38125,
    "c": 0.13238,
    "h": 24.8
  },
  "luminance": 0.0487
}

Semantic roles & 50–950 ramp

primary

#7A181B

secondary

#3FAFAB

accent

#EAE53E

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#110503

muted

#807978

Preview Lab

Preview with #7A181B

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

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