#370F0E#370F0E

#370F0E is a very dark, moderate red. Relative luminance 0.012; OKLCH L 23.6% C 0.064 H 24.8°. Best body text is #FFFFFF at 16.97:1 contrast (WCAG AA passes).

Color values

HEX	#370F0E
RGB	rgb(55, 15, 14)
HSL	hsl(1, 59%, 14%)
HSV	hsv(1, 75%, 22%)
CMYK	cmyk(0%, 72.7%, 74.5%, 78.4%)
CIE-LAB	lab(10.45, 19.89, 10.18)
CIE-LCH	lch(10.45, 22.34, 27.11°)
OKLab	oklab(23.57% 0.0584 0.027)
OKLCH	oklch(23.57% 0.064 24.8)
XYZ	xyz(1.8258, 1.1858, 0.5481)
Luminance	0.0119 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370F0E #0E3637

analogous

#370E21 #370F0E #37230E

triadic

#370F0E #0E370F #0F0E37

tetradic

#370F0E #21370E #0E3637 #230E37

square

#370F0E #21370E #0E3637 #230E37

split-complementary

#370F0E #0E3723 #0E2137

monochromatic

#180706 #180706 #370F0E #681C1A #992A27

Accessibility & contrast

On white

16.97

#370F0E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#370F0E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370F0E

16.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370F0E	#FFFFFF	#000000	##FFFFFF
##370F0E	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)

#19170E

Deuteranopia (green-blind)

#23200D

Tritanopia (blue-blind)

#3D070F

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #370f0e;
/* rgb */ color: rgb(55, 15, 14);
/* oklch */ color: oklch(23.6% 0.064 24.8);

Tailwind

colors: {
  custom: {
    50: '#714f4d',
    500: '#370f0e',
    950: '#000000',
  },
}

SCSS

$custom: #370f0e;
$custom-light: #714f4d;
$custom-dark: #000000;

JSON

{
  "hex": "#370f0e",
  "rgb": {
    "r": 55,
    "g": 15,
    "b": 14
  },
  "hsl": {
    "h": 1.463,
    "s": 59.42,
    "l": 13.529
  },
  "oklch": {
    "l": 0.23568,
    "c": 0.06435,
    "h": 24.8
  },
  "luminance": 0.01186
}

Semantic roles & 50–950 ramp

primary

#370F0E

secondary

#2F7072

accent

#DFE345

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080201

muted

#7B7877

Preview Lab

Preview with #370F0E

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

Preview Lab → · Contrast checker → · Palette generator →