#37150A#37150A

#37150A is a very dark, muted red. Relative luminance 0.014; OKLCH L 24.5% C 0.058 H 38.4°. Best body text is #FFFFFF at 16.48:1 contrast (WCAG AA passes).

Color values

HEX	#37150A
RGB	rgb(55, 21, 10)
HSL	hsl(15, 69%, 13%)
HSV	hsv(15, 82%, 22%)
CMYK	cmyk(0%, 61.8%, 81.8%, 78.4%)
CIE-LAB	lab(11.76, 16.01, 13.82)
CIE-LCH	lch(11.76, 21.15, 40.80°)
OKLab	oklab(24.54% 0.0454 0.036)
OKLCH	oklch(24.54% 0.058 38.4)
XYZ	xyz(1.8987, 1.3707, 0.4517)
Luminance	0.0137 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37150A #0A2C37

analogous

#370A15 #37150A #372B0A

triadic

#37150A #0A3715 #150A37

tetradic

#37150A #15370A #0A2C37 #2B0A37

square

#37150A #15370A #0A2C37 #2B0A37

split-complementary

#37150A #0A372B #0A1537

monochromatic

#1A0A05 #1A0A05 #37150A #6B2913 #9F3D1D

Accessibility & contrast

On white

16.48

#37150A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#37150A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37150A

16.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37150A	#FFFFFF	#000000	##FFFFFF
##37150A	1.00	16.48	1.27	16.48
#FFFFFF	16.48	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E1A09

Deuteranopia (green-blind)

#262209

Tritanopia (blue-blind)

#3D0E13

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #37150a;
/* rgb */ color: rgb(55, 21, 10);
/* oklch */ color: oklch(24.5% 0.058 38.4);

Tailwind

colors: {
  custom: {
    50: '#71534b',
    500: '#37150a',
    950: '#000000',
  },
}

SCSS

$custom: #37150a;
$custom-light: #71534b;
$custom-dark: #000000;

JSON

{
  "hex": "#37150a",
  "rgb": {
    "r": 55,
    "g": 21,
    "b": 10
  },
  "hsl": {
    "h": 14.667,
    "s": 69.231,
    "l": 12.745
  },
  "oklch": {
    "l": 0.24535,
    "c": 0.05792,
    "h": 38.4
  },
  "luminance": 0.0137
}

Semantic roles & 50–950 ramp

primary

#37150A

secondary

#286274

accent

#C1EC3C

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080201

muted

#7B7877

Preview Lab

Preview with #37150A

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

Preview Lab → · Contrast checker → · Palette generator →