#37130A#37130A

#37130A is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.2% C 0.060 H 35.2°. Best body text is #FFFFFF at 16.67:1 contrast (WCAG AA passes).

Color values

HEX	#37130A
RGB	rgb(55, 19, 10)
HSL	hsl(12, 69%, 13%)
HSV	hsv(12, 82%, 22%)
CMYK	cmyk(0%, 65.5%, 81.8%, 78.4%)
CIE-LAB	lab(11.28, 17.25, 13.15)
CIE-LCH	lch(11.28, 21.69, 37.32°)
OKLab	oklab(24.17% 0.0493 0.0348)
OKLCH	oklch(24.17% 0.06 35.2)
XYZ	xyz(1.8634, 1.3001, 0.4399)
Luminance	0.0130 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37130A #0A2E37

analogous

#370A17 #37130A #37290A

triadic

#37130A #0A3713 #130A37

tetradic

#37130A #17370A #0A2E37 #290A37

square

#37130A #17370A #0A2E37 #290A37

split-complementary

#37130A #0A3729 #0A1737

monochromatic

#1A0905 #1A0905 #37130A #6B2513 #9F371D

Accessibility & contrast

On white

16.67

#37130A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#37130A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37130A

16.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37130A	#FFFFFF	#000000	##FFFFFF
##37130A	1.00	16.67	1.26	16.67
#FFFFFF	16.67	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D1909

Deuteranopia (green-blind)

#262109

Tritanopia (blue-blind)

#3D0C11

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #37130a;
/* rgb */ color: rgb(55, 19, 10);
/* oklch */ color: oklch(24.2% 0.060 35.2);

Tailwind

colors: {
  custom: {
    50: '#71524b',
    500: '#37130a',
    950: '#000000',
  },
}

SCSS

$custom: #37130a;
$custom-light: #71524b;
$custom-dark: #000000;

JSON

{
  "hex": "#37130a",
  "rgb": {
    "r": 55,
    "g": 19,
    "b": 10
  },
  "hsl": {
    "h": 12,
    "s": 69.231,
    "l": 12.745
  },
  "oklch": {
    "l": 0.24167,
    "c": 0.06028,
    "h": 35.2
  },
  "luminance": 0.013
}

Semantic roles & 50–950 ramp

primary

#37130A

secondary

#286574

accent

#C9EC3C

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080201

muted

#7B7877

Preview Lab

Preview with #37130A

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

Preview Lab → · Contrast checker → · Palette generator →