#370905#370905

#370905 is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.5% C 0.074 H 30.0°. Best body text is #FFFFFF at 17.44:1 contrast (WCAG AA passes).

Color values

HEX	#370905
RGB	rgb(55, 9, 5)
HSL	hsl(5, 83%, 12%)
HSV	hsv(5, 91%, 22%)
CMYK	cmyk(0%, 83.6%, 90.9%, 78.4%)
CIE-LAB	lab(9.15, 22.39, 12.19)
CIE-LCH	lch(9.15, 25.49, 28.56°)
OKLab	oklab(22.54% 0.0638 0.0368)
OKLCH	oklch(22.54% 0.074 30)
XYZ	xyz(1.7008, 1.0188, 0.2506)
Luminance	0.0102 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370905 #053337

analogous

#37051A #370905 #372205

triadic

#370905 #053709 #090537

tetradic

#370905 #1A3705 #053337 #220537

square

#370905 #1A3705 #053337 #220537

split-complementary

#370905 #053722 #051A37

monochromatic

#1C0503 #1C0503 #370905 #6F120A #A71B0F

Accessibility & contrast

On white

17.44

#370905 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#370905 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370905

17.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370905	#FFFFFF	#000000	##FFFFFF
##370905	1.00	17.44	1.20	17.44
#FFFFFF	17.44	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171304

Deuteranopia (green-blind)

#221D04

Tritanopia (blue-blind)

#3E0008

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #370905;
/* rgb */ color: rgb(55, 9, 5);
/* oklch */ color: oklch(22.5% 0.074 30.0);

Tailwind

colors: {
  custom: {
    50: '#724c49',
    500: '#370905',
    950: '#000000',
  },
}

SCSS

$custom: #370905;
$custom-light: #724c49;
$custom-dark: #000000;

JSON

{
  "hex": "#370905",
  "rgb": {
    "r": 55,
    "g": 9,
    "b": 5
  },
  "hsl": {
    "h": 4.8,
    "s": 83.333,
    "l": 11.765
  },
  "oklch": {
    "l": 0.22537,
    "c": 0.07363,
    "h": 30
  },
  "luminance": 0.01019
}

Semantic roles & 50–950 ramp

primary

#370905

secondary

#207178

accent

#E9FA2E

background

#F7F4F4

surface

#EDE7E6

border

#C8C3C2

text

#080100

muted

#7B7777

Preview Lab

Preview with #370905

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

Preview Lab → · Contrast checker → · Palette generator →