#370F16#370F16

#370F16 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 23.8% C 0.064 H 12.8°. Best body text is #FFFFFF at 16.90:1 contrast (WCAG AA passes).

Color values

HEX	#370F16
RGB	rgb(55, 15, 22)
HSL	hsl(350, 57%, 14%)
HSV	hsv(350, 73%, 22%)
CMYK	cmyk(0%, 72.7%, 60%, 78.4%)
CIE-LAB	lab(10.65, 20.64, 5.58)
CIE-LCH	lch(10.65, 21.38, 15.13°)
OKLab	oklab(23.78% 0.0624 0.0142)
OKLCH	oklch(23.78% 0.064 12.8)
XYZ	xyz(1.8913, 1.2120, 0.8932)
Luminance	0.0121 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370F16 #0F3730

analogous

#370F2A #370F16 #371C0F

triadic

#370F16 #16370F #0F1637

tetradic

#370F16 #2A370F #0F3730 #1C0F37

square

#370F16 #2A370F #0F3730 #1C0F37

split-complementary

#370F16 #0F371C #0F2A37

monochromatic

#18070A #18070A #370F16 #671C29 #97293C

Accessibility & contrast

On white

16.90

#370F16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#370F16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370F16

16.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370F16	#FFFFFF	#000000	##FFFFFF
##370F16	1.00	16.90	1.24	16.90
#FFFFFF	16.90	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#181816

Deuteranopia (green-blind)

#222015

Tritanopia (blue-blind)

#3D0912

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #370f16;
/* rgb */ color: rgb(55, 15, 22);
/* oklch */ color: oklch(23.8% 0.064 12.8);

Tailwind

colors: {
  custom: {
    50: '#715052',
    500: '#370f16',
    950: '#000000',
  },
}

SCSS

$custom: #370f16;
$custom-light: #715052;
$custom-dark: #000000;

JSON

{
  "hex": "#370f16",
  "rgb": {
    "r": 55,
    "g": 15,
    "b": 22
  },
  "hsl": {
    "h": 349.5,
    "s": 57.143,
    "l": 13.725
  },
  "oklch": {
    "l": 0.23775,
    "c": 0.06396,
    "h": 12.8
  },
  "luminance": 0.01212
}

Semantic roles & 50–950 ramp

primary

#370F16

secondary

#317166

accent

#E0C647

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080202

muted

#7B7878

Preview Lab

Preview with #370F16

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

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