#37191A#37191A

#37191A is a dark, muted red. Relative luminance 0.016; OKLCH L 25.7% C 0.048 H 18.9°. Best body text is #FFFFFF at 15.95:1 contrast (WCAG AA passes).

Color values

HEX	#37191A
RGB	rgb(55, 25, 26)
HSL	hsl(358, 38%, 16%)
HSV	hsv(358, 55%, 22%)
CMYK	cmyk(0%, 54.5%, 52.7%, 78.4%)
CIE-LAB	lab(13.12, 14.99, 6.06)
CIE-LCH	lch(13.12, 16.17, 22.00°)
OKLab	oklab(25.68% 0.0452 0.0154)
OKLCH	oklch(25.68% 0.048 18.9)
XYZ	xyz(2.1098, 1.5823, 1.1714)
Luminance	0.0158 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37191A #193736

analogous

#371929 #37191A #372719

triadic

#37191A #1A3719 #191A37

tetradic

#37191A #293719 #193736 #271937

square

#37191A #293719 #193736 #271937

split-complementary

#37191A #193727 #192937

monochromatic

#150A0A #150A0A #37191A #612C2E #8B3F42

Accessibility & contrast

On white

15.95

#37191A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#37191A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37191A

15.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37191A	#FFFFFF	#000000	##FFFFFF
##37191A	1.00	15.95	1.32	15.95
#FFFFFF	15.95	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F1E1A

Deuteranopia (green-blind)

#272419

Tritanopia (blue-blind)

#3C151A

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #37191a;
/* rgb */ color: rgb(55, 25, 26);
/* oklch */ color: oklch(25.7% 0.048 18.9);

Tailwind

colors: {
  custom: {
    50: '#705656',
    500: '#37191a',
    950: '#000000',
  },
}

SCSS

$custom: #37191a;
$custom-light: #705656;
$custom-dark: #000000;

JSON

{
  "hex": "#37191a",
  "rgb": {
    "r": 55,
    "g": 25,
    "b": 26
  },
  "hsl": {
    "h": 358,
    "s": 37.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.2568,
    "c": 0.04774,
    "h": 18.9
  },
  "luminance": 0.01582
}

Semantic roles & 50–950 ramp

primary

#37191A

secondary

#3F6C6B

accent

#CDCA5A

background

#F6F5F5

surface

#ECE9E9

border

#C7C5C5

text

#080303

muted

#7B7878

Preview Lab

Preview with #37191A

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

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