#370711#370711

#370711 is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.5% C 0.075 H 13.7°. Best body text is #FFFFFF at 17.49:1 contrast (WCAG AA passes).

Color values

HEX	#370711
RGB	rgb(55, 7, 17)
HSL	hsl(348, 77%, 12%)
HSV	hsv(348, 87%, 22%)
CMYK	cmyk(0%, 87.3%, 69.1%, 78.4%)
CIE-LAB	lab(9.03, 24.20, 6.53)
CIE-LCH	lch(9.03, 25.07, 15.11°)
OKLab	oklab(22.53% 0.0729 0.0178)
OKLCH	oklch(22.53% 0.075 13.7)
XYZ	xyz(1.7529, 1.0049, 0.6319)
Luminance	0.0100 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370711 #07372D

analogous

#370729 #370711 #371507

triadic

#370711 #113707 #071137

tetradic

#370711 #293707 #07372D #150737

square

#370711 #293707 #07372D #150737

split-complementary

#370711 #073715 #072937

monochromatic

#1B0308 #1B0308 #370711 #6D0E22 #A41533

Accessibility & contrast

On white

17.49

#370711 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#370711 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370711

17.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370711	#FFFFFF	#000000	##FFFFFF
##370711	1.00	17.49	1.20	17.49
#FFFFFF	17.49	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#141311

Deuteranopia (green-blind)

#201D10

Tritanopia (blue-blind)

#3D000B

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #370711;
/* rgb */ color: rgb(55, 7, 17);
/* oklch */ color: oklch(22.5% 0.075 13.7);

Tailwind

colors: {
  custom: {
    50: '#724b4f',
    500: '#370711',
    950: '#000000',
  },
}

SCSS

$custom: #370711;
$custom-light: #724b4f;
$custom-dark: #000000;

JSON

{
  "hex": "#370711",
  "rgb": {
    "r": 55,
    "g": 7,
    "b": 17
  },
  "hsl": {
    "h": 347.5,
    "s": 77.419,
    "l": 12.157
  },
  "oklch": {
    "l": 0.2253,
    "c": 0.075,
    "h": 13.7
  },
  "luminance": 0.01005
}

Semantic roles & 50–950 ramp

primary

#370711

secondary

#237765

accent

#F4CC34

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080101

muted

#7B7777

Preview Lab

Preview with #370711

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

Preview Lab → · Contrast checker → · Palette generator →