#37191E#37191E

#37191E is a dark, muted red. Relative luminance 0.016; OKLCH L 25.8% C 0.048 H 10.4°. Best body text is #FFFFFF at 15.91:1 contrast (WCAG AA passes).

Color values

HEX	#37191E
RGB	rgb(55, 25, 30)
HSL	hsl(350, 38%, 16%)
HSV	hsv(350, 55%, 22%)
CMYK	cmyk(0%, 54.5%, 45.5%, 78.4%)
CIE-LAB	lab(13.24, 15.54, 3.30)
CIE-LCH	lch(13.24, 15.89, 11.97°)
OKLab	oklab(25.81% 0.0471 0.0087)
OKLCH	oklch(25.81% 0.048 10.4)
XYZ	xyz(2.1576, 1.6014, 1.4235)
Luminance	0.0160 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37191E #193732

analogous

#37192D #37191E #372319

triadic

#37191E #1E3719 #191E37

tetradic

#37191E #2D3719 #193732 #231937

square

#37191E #2D3719 #193732 #231937

split-complementary

#37191E #193723 #192D37

monochromatic

#150A0B #150A0B #37191E #612C35 #8B3F4C

Accessibility & contrast

On white

15.91

#37191E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#37191E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37191E

15.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37191E	#FFFFFF	#000000	##FFFFFF
##37191E	1.00	15.91	1.32	15.91
#FFFFFF	15.91	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F1E1E

Deuteranopia (green-blind)

#26241D

Tritanopia (blue-blind)

#3C161B

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #37191e;
/* rgb */ color: rgb(55, 25, 30);
/* oklch */ color: oklch(25.8% 0.048 10.4);

Tailwind

colors: {
  custom: {
    50: '#6f5659',
    500: '#37191e',
    950: '#000000',
  },
}

SCSS

$custom: #37191e;
$custom-light: #6f5659;
$custom-dark: #000000;

JSON

{
  "hex": "#37191e",
  "rgb": {
    "r": 55,
    "g": 25,
    "b": 30
  },
  "hsl": {
    "h": 350,
    "s": 37.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.25807,
    "c": 0.04793,
    "h": 10.4
  },
  "luminance": 0.01601
}

Semantic roles & 50–950 ramp

primary

#37191E

secondary

#3F6C65

accent

#CDBA5A

background

#F6F5F5

surface

#ECE9E9

border

#C7C5C5

text

#070303

muted

#7A7878

Preview Lab

Preview with #37191E

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

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