#75131B#75131B

#75131B is a dark, vivid red. Relative luminance 0.043; OKLCH L 36.7% C 0.131 H 23.0°. Best body text is #FFFFFF at 11.26:1 contrast (WCAG AA passes).

Color values

HEX	#75131B
RGB	rgb(117, 19, 27)
HSL	hsl(355, 72%, 27%)
HSV	hsv(355, 84%, 46%)
CMYK	cmyk(0%, 83.8%, 76.9%, 54.1%)
CIE-LAB	lab(24.73, 41.43, 22.67)
CIE-LCH	lch(24.73, 47.23, 28.69°)
OKLab	oklab(36.72% 0.1208 0.0512)
OKLCH	oklch(36.72% 0.131 23)
XYZ	xyz(7.7677, 4.3280, 1.4631)
Luminance	0.0433 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#75131B #13756D

analogous

#75134C #75131B #753C13

triadic

#75131B #1B7513 #131B75

tetradic

#75131B #4C7513 #13756D #3C1375

square

#75131B #4C7513 #13756D #3C1375

split-complementary

#75131B #13753C #134C75

monochromatic

#1A0406 #400A0F #75131B #AA1C27 #DC2735

Accessibility & contrast

On white

11.26

#75131B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#75131B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #75131B

11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##75131B	#FFFFFF	#000000	##FFFFFF
##75131B	1.00	11.26	1.87	11.26
#FFFFFF	11.26	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#322D1A

Deuteranopia (green-blind)

#4A4217

Tritanopia (blue-blind)

#810017

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #75131b;
/* rgb */ color: rgb(117, 19, 27);
/* oklch */ color: oklch(36.7% 0.131 23.0);

Tailwind

colors: {
  custom: {
    50: '#a45c57',
    500: '#75131b',
    950: '#000000',
  },
}

SCSS

$custom: #75131b;
$custom-light: #a45c57;
$custom-dark: #000000;

JSON

{
  "hex": "#75131b",
  "rgb": {
    "r": 117,
    "g": 19,
    "b": 27
  },
  "hsl": {
    "h": 355.102,
    "s": 72.059,
    "l": 26.667
  },
  "oklch": {
    "l": 0.36719,
    "c": 0.13125,
    "h": 23
  },
  "luminance": 0.04327
}

Semantic roles & 50–950 ramp

primary

#75131B

secondary

#38ABA2

accent

#EFE039

background

#FAF5F5

surface

#F5E9E9

border

#CFC5C5

text

#110403

muted

#807978

Preview Lab

Preview with #75131B

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

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