#371004#371004

#371004 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 23.5% C 0.066 H 38.5°. Best body text is #FFFFFF at 16.96:1 contrast (WCAG AA passes).

Color values

HEX	#371004
RGB	rgb(55, 16, 4)
HSL	hsl(14, 86%, 12%)
HSV	hsv(14, 93%, 22%)
CMYK	cmyk(0%, 70.9%, 92.7%, 78.4%)
CIE-LAB	lab(10.50, 18.64, 14.51)
CIE-LCH	lch(10.50, 23.62, 37.89°)
OKLab	oklab(23.55% 0.0518 0.0413)
OKLCH	oklch(23.55% 0.066 38.5)
XYZ	xyz(1.7829, 1.1918, 0.2510)
Luminance	0.0119 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371004 #042B37

analogous

#370412 #371004 #372A04

triadic

#371004 #043710 #100437

tetradic

#371004 #123704 #042B37 #2A0437

square

#371004 #123704 #042B37 #2A0437

split-complementary

#371004 #04372A #041237

monochromatic

#1D0802 #1D0802 #371004 #702108 #A9310C

Accessibility & contrast

On white

16.96

#371004 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#371004 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371004

16.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371004	#FFFFFF	#000000	##FFFFFF
##371004	1.00	16.96	1.24	16.96
#FFFFFF	16.96	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B1703

Deuteranopia (green-blind)

#252003

Tritanopia (blue-blind)

#3D070D

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #371004;
/* rgb */ color: rgb(55, 16, 4);
/* oklch */ color: oklch(23.5% 0.066 38.5);

Tailwind

colors: {
  custom: {
    50: '#725048',
    500: '#371004',
    950: '#000000',
  },
}

SCSS

$custom: #371004;
$custom-light: #725048;
$custom-dark: #000000;

JSON

{
  "hex": "#371004",
  "rgb": {
    "r": 55,
    "g": 16,
    "b": 4
  },
  "hsl": {
    "h": 14.118,
    "s": 86.441,
    "l": 11.569
  },
  "oklch": {
    "l": 0.23547,
    "c": 0.06624,
    "h": 38.5
  },
  "luminance": 0.01192
}

Semantic roles & 50–950 ramp

primary

#371004

secondary

#1E6479

accent

#CBFD2B

background

#F7F4F4

surface

#EDE7E6

border

#C8C3C2

text

#080200

muted

#7B7877

Preview Lab

Preview with #371004

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

Preview Lab → · Contrast checker → · Palette generator →