#370D05#370D05

#370D05 is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.1% C 0.069 H 33.8°. Best body text is #FFFFFF at 17.18:1 contrast (WCAG AA passes).

Color values

HEX	#370D05
RGB	rgb(55, 13, 5)
HSL	hsl(10, 83%, 12%)
HSV	hsv(10, 91%, 22%)
CMYK	cmyk(0%, 76.4%, 90.9%, 78.4%)
CIE-LAB	lab(9.89, 20.38, 13.24)
CIE-LCH	lch(9.89, 24.30, 33.01°)
OKLab	oklab(23.09% 0.0575 0.0384)
OKLCH	oklch(23.09% 0.069 33.8)
XYZ	xyz(1.7471, 1.1113, 0.2661)
Luminance	0.0111 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370D05 #052F37

analogous

#370516 #370D05 #372605

triadic

#370D05 #05370D #0D0537

tetradic

#370D05 #163705 #052F37 #260537

square

#370D05 #163705 #052F37 #260537

split-complementary

#370D05 #053726 #051637

monochromatic

#1C0703 #1C0703 #370D05 #6F1A0A #A7280F

Accessibility & contrast

On white

17.18

#370D05 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#370D05 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370D05

17.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370D05	#FFFFFF	#000000	##FFFFFF
##370D05	1.00	17.18	1.22	17.18
#FFFFFF	17.18	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#191504

Deuteranopia (green-blind)

#231F04

Tritanopia (blue-blind)

#3D030B

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #370d05;
/* rgb */ color: rgb(55, 13, 5);
/* oklch */ color: oklch(23.1% 0.069 33.8);

Tailwind

colors: {
  custom: {
    50: '#724e49',
    500: '#370d05',
    950: '#000000',
  },
}

SCSS

$custom: #370d05;
$custom-light: #724e49;
$custom-dark: #000000;

JSON

{
  "hex": "#370d05",
  "rgb": {
    "r": 55,
    "g": 13,
    "b": 5
  },
  "hsl": {
    "h": 9.6,
    "s": 83.333,
    "l": 11.765
  },
  "oklch": {
    "l": 0.23091,
    "c": 0.06918,
    "h": 33.8
  },
  "luminance": 0.01111
}

Semantic roles & 50–950 ramp

primary

#370D05

secondary

#206A78

accent

#D9FA2E

background

#F7F4F4

surface

#EDE7E6

border

#C8C3C2

text

#080200

muted

#7B7877

Preview Lab

Preview with #370D05

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

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