#370A13#370A13

#370A13 is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.0% C 0.071 H 13.2°. Best body text is #FFFFFF at 17.28:1 contrast (WCAG AA passes).

Color values

HEX	#370A13
RGB	rgb(55, 10, 19)
HSL	hsl(348, 69%, 13%)
HSV	hsv(348, 82%, 22%)
CMYK	cmyk(0%, 81.8%, 65.5%, 78.4%)
CIE-LAB	lab(9.61, 22.91, 6.15)
CIE-LCH	lch(9.61, 23.73, 15.02°)
OKLab	oklab(22.98% 0.0691 0.0162)
OKLCH	oklch(22.98% 0.071 13.2)
XYZ	xyz(1.8018, 1.0766, 0.7289)
Luminance	0.0108 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370A13 #0A372E

analogous

#370A29 #370A13 #37170A

triadic

#370A13 #13370A #0A1337

tetradic

#370A13 #29370A #0A372E #170A37

square

#370A13 #29370A #0A372E #170A37

split-complementary

#370A13 #0A3717 #0A2937

monochromatic

#1A0509 #1A0509 #370A13 #6B1325 #9F1D37

Accessibility & contrast

On white

17.28

#370A13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#370A13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370A13

17.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370A13	#FFFFFF	#000000	##FFFFFF
##370A13	1.00	17.28	1.22	17.28
#FFFFFF	17.28	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#151513

Deuteranopia (green-blind)

#211E12

Tritanopia (blue-blind)

#3D030E

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #370a13;
/* rgb */ color: rgb(55, 10, 19);
/* oklch */ color: oklch(23.0% 0.071 13.2);

Tailwind

colors: {
  custom: {
    50: '#714d50',
    500: '#370a13',
    950: '#000000',
  },
}

SCSS

$custom: #370a13;
$custom-light: #714d50;
$custom-dark: #000000;

JSON

{
  "hex": "#370a13",
  "rgb": {
    "r": 55,
    "g": 10,
    "b": 19
  },
  "hsl": {
    "h": 348,
    "s": 69.231,
    "l": 12.745
  },
  "oklch": {
    "l": 0.22979,
    "c": 0.07098,
    "h": 13.2
  },
  "luminance": 0.01076
}

Semantic roles & 50–950 ramp

primary

#370A13

secondary

#287465

accent

#ECC93C

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080102

muted

#7B7778

Preview Lab

Preview with #370A13

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

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