#37191C#37191C

#37191C is a dark, muted red. Relative luminance 0.016; OKLCH L 25.7% C 0.048 H 14.7°. Best body text is #FFFFFF at 15.93:1 contrast (WCAG AA passes).

Color values

HEX	#37191C
RGB	rgb(55, 25, 28)
HSL	hsl(354, 38%, 16%)
HSV	hsv(354, 55%, 22%)
CMYK	cmyk(0%, 54.5%, 49.1%, 78.4%)
CIE-LAB	lab(13.18, 15.26, 4.68)
CIE-LCH	lch(13.18, 15.96, 17.03°)
OKLab	oklab(25.74% 0.0462 0.0121)
OKLCH	oklch(25.74% 0.048 14.7)
XYZ	xyz(2.1329, 1.5915, 1.2932)
Luminance	0.0159 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37191C #193734

analogous

#37192B #37191C #372519

triadic

#37191C #1C3719 #191C37

tetradic

#37191C #2B3719 #193734 #251937

square

#37191C #2B3719 #193734 #251937

split-complementary

#37191C #193725 #192B37

monochromatic

#150A0B #150A0B #37191C #612C31 #8B3F47

Accessibility & contrast

On white

15.93

#37191C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#37191C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37191C

15.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37191C	#FFFFFF	#000000	##FFFFFF
##37191C	1.00	15.93	1.32	15.93
#FFFFFF	15.93	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F1E1C

Deuteranopia (green-blind)

#26241B

Tritanopia (blue-blind)

#3C161A

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #37191c;
/* rgb */ color: rgb(55, 25, 28);
/* oklch */ color: oklch(25.7% 0.048 14.7);

Tailwind

colors: {
  custom: {
    50: '#705657',
    500: '#37191c',
    950: '#000000',
  },
}

SCSS

$custom: #37191c;
$custom-light: #705657;
$custom-dark: #000000;

JSON

{
  "hex": "#37191c",
  "rgb": {
    "r": 55,
    "g": 25,
    "b": 28
  },
  "hsl": {
    "h": 354,
    "s": 37.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.25742,
    "c": 0.04771,
    "h": 14.7
  },
  "luminance": 0.01591
}

Semantic roles & 50–950 ramp

primary

#37191C

secondary

#3F6C68

accent

#CDC25A

background

#F6F5F5

surface

#ECE9E9

border

#C7C5C5

text

#070303

muted

#7A7878

Preview Lab

Preview with #37191C

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

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