#370B06#370B06

#370B06 is a very dark, moderate red. Relative luminance 0.011; OKLCH L 22.8% C 0.071 H 30.5°. Best body text is #FFFFFF at 17.31:1 contrast (WCAG AA passes).

Color values

HEX	#370B06
RGB	rgb(55, 11, 6)
HSL	hsl(6, 80%, 12%)
HSV	hsv(6, 89%, 22%)
CMYK	cmyk(0%, 80%, 89.1%, 78.4%)
CIE-LAB	lab(9.52, 21.47, 12.31)
CIE-LCH	lch(9.52, 24.75, 29.83°)
OKLab	oklab(22.82% 0.0613 0.0361)
OKLCH	oklch(22.82% 0.071 30.5)
XYZ	xyz(1.7283, 1.0650, 0.2868)
Luminance	0.0106 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370B06 #063237

analogous

#37061A #370B06 #372406

triadic

#370B06 #06370B #0B0637

tetradic

#370B06 #1A3706 #063237 #240637

square

#370B06 #1A3706 #063237 #240637

split-complementary

#370B06 #063724 #061A37

monochromatic

#1C0603 #1C0603 #370B06 #6E160C #A52112

Accessibility & contrast

On white

17.31

#370B06 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#370B06 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370B06

17.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370B06	#FFFFFF	#000000	##FFFFFF
##370B06	1.00	17.31	1.21	17.31
#FFFFFF	17.31	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#181405

Deuteranopia (green-blind)

#231E05

Tritanopia (blue-blind)

#3D010A

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #370b06;
/* rgb */ color: rgb(55, 11, 6);
/* oklch */ color: oklch(22.8% 0.071 30.5);

Tailwind

colors: {
  custom: {
    50: '#724d49',
    500: '#370b06',
    950: '#000000',
  },
}

SCSS

$custom: #370b06;
$custom-light: #724d49;
$custom-dark: #000000;

JSON

{
  "hex": "#370b06",
  "rgb": {
    "r": 55,
    "g": 11,
    "b": 6
  },
  "hsl": {
    "h": 6.122,
    "s": 80.328,
    "l": 11.961
  },
  "oklch": {
    "l": 0.22823,
    "c": 0.07111,
    "h": 30.5
  },
  "luminance": 0.01065
}

Semantic roles & 50–950 ramp

primary

#370B06

secondary

#216F77

accent

#E3F731

background

#F7F4F4

surface

#EDE7E6

border

#C8C3C2

text

#080100

muted

#7B7777

Preview Lab

Preview with #370B06

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

Preview Lab → · Contrast checker → · Palette generator →