#74181B#74181B

#74181B is a dark, vivid red. Relative luminance 0.044; OKLCH L 37.0% C 0.126 H 24.4°. Best body text is #FFFFFF at 11.12:1 contrast (WCAG AA passes).

Color values

HEX	#74181B
RGB	rgb(116, 24, 27)
HSL	hsl(358, 66%, 27%)
HSV	hsv(358, 79%, 45%)
CMYK	cmyk(0%, 79.3%, 76.7%, 54.5%)
CIE-LAB	lab(25.10, 39.47, 23.04)
CIE-LCH	lch(25.10, 45.70, 30.27°)
OKLab	oklab(36.96% 0.1148 0.0521)
OKLCH	oklch(36.96% 0.126 24.4)
XYZ	xyz(7.7278, 4.4466, 1.4881)
Luminance	0.0445 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#74181B #187471

analogous

#741849 #74181B #744318

triadic

#74181B #1B7418 #181B74

tetradic

#74181B #497418 #187471 #431874

square

#74181B #497418 #187471 #431874

split-complementary

#74181B #187443 #184974

monochromatic

#190506 #410E0F #74181B #A72227 #D53237

Accessibility & contrast

On white

11.12

#74181B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#74181B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #74181B

11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##74181B	#FFFFFF	#000000	##FFFFFF
##74181B	1.00	11.12	1.89	11.12
#FFFFFF	11.12	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#342F1A

Deuteranopia (green-blind)

#4B4318

Tritanopia (blue-blind)

#80001A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #74181b;
/* rgb */ color: rgb(116, 24, 27);
/* oklch */ color: oklch(37.0% 0.126 24.4);

Tailwind

colors: {
  custom: {
    50: '#a35e57',
    500: '#74181b',
    950: '#000000',
  },
}

SCSS

$custom: #74181b;
$custom-light: #a35e57;
$custom-dark: #000000;

JSON

{
  "hex": "#74181b",
  "rgb": {
    "r": 116,
    "g": 24,
    "b": 27
  },
  "hsl": {
    "h": 358.043,
    "s": 65.714,
    "l": 27.451
  },
  "oklch": {
    "l": 0.36955,
    "c": 0.12602,
    "h": 24.4
  },
  "luminance": 0.04445
}

Semantic roles & 50–950 ramp

primary

#74181B

secondary

#3FA9A6

accent

#E9E33F

background

#FAF5F5

surface

#F4E9E9

border

#CEC5C5

text

#100503

muted

#7F7978

Preview Lab

Preview with #74181B

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

Preview Lab → · Contrast checker → · Palette generator →