#370E17#370E17

#370E17 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 23.7% C 0.066 H 10.4°. Best body text is #FFFFFF at 16.97:1 contrast (WCAG AA passes).

Color values

HEX	#370E17
RGB	rgb(55, 14, 23)
HSL	hsl(347, 59%, 14%)
HSV	hsv(347, 75%, 22%)
CMYK	cmyk(0%, 74.5%, 58.2%, 78.4%)
CIE-LAB	lab(10.47, 21.30, 4.60)
CIE-LCH	lch(10.47, 21.79, 12.20°)
OKLab	oklab(23.66% 0.0646 0.0118)
OKLCH	oklch(23.66% 0.066 10.4)
XYZ	xyz(1.8874, 1.1884, 0.9404)
Luminance	0.0119 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370E17 #0E372E

analogous

#370E2B #370E17 #37190E

triadic

#370E17 #17370E #0E1737

tetradic

#370E17 #2B370E #0E372E #190E37

square

#370E17 #2B370E #0E372E #190E37

split-complementary

#370E17 #0E3719 #0E2B37

monochromatic

#18060A #18060A #370E17 #681A2B #992740

Accessibility & contrast

On white

16.97

#370E17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#370E17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370E17

16.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370E17	#FFFFFF	#000000	##FFFFFF
##370E17	1.00	16.97	1.24	16.97
#FFFFFF	16.97	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171717

Deuteranopia (green-blind)

#221F16

Tritanopia (blue-blind)

#3D0811

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #370e17;
/* rgb */ color: rgb(55, 14, 23);
/* oklch */ color: oklch(23.7% 0.066 10.4);

Tailwind

colors: {
  custom: {
    50: '#714f53',
    500: '#370e17',
    950: '#000000',
  },
}

SCSS

$custom: #370e17;
$custom-light: #714f53;
$custom-dark: #000000;

JSON

{
  "hex": "#370e17",
  "rgb": {
    "r": 55,
    "g": 14,
    "b": 23
  },
  "hsl": {
    "h": 346.829,
    "s": 59.42,
    "l": 13.529
  },
  "oklch": {
    "l": 0.23655,
    "c": 0.06565,
    "h": 10.4
  },
  "luminance": 0.01188
}

Semantic roles & 50–950 ramp

primary

#370E17

secondary

#2F7263

accent

#E3C045

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080202

muted

#7B7878

Preview Lab

Preview with #370E17

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

Preview Lab → · Contrast checker → · Palette generator →