#371011#371011

#371011 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 23.8% C 0.063 H 21.6°. Best body text is #FFFFFF at 16.87:1 contrast (WCAG AA passes).

Color values

HEX	#371011
RGB	rgb(55, 16, 17)
HSL	hsl(358, 55%, 14%)
HSV	hsv(358, 71%, 22%)
CMYK	cmyk(0%, 70.9%, 69.1%, 78.4%)
CIE-LAB	lab(10.73, 19.58, 8.94)
CIE-LCH	lch(10.73, 21.52, 24.54°)
OKLab	oklab(23.8% 0.0581 0.0231)
OKLCH	oklch(23.8% 0.063 21.6)
XYZ	xyz(1.8622, 1.2235, 0.6683)
Luminance	0.0122 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371011 #103736

analogous

#371025 #371011 #372310

triadic

#371011 #113710 #101137

tetradic

#371011 #253710 #103736 #231037

square

#371011 #253710 #103736 #231037

split-complementary

#371011 #103723 #102537

monochromatic

#180707 #180707 #371011 #661E20 #962C2E

Accessibility & contrast

On white

16.87

#371011 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#371011 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371011

16.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371011	#FFFFFF	#000000	##FFFFFF
##371011	1.00	16.87	1.24	16.87
#FFFFFF	16.87	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A1811

Deuteranopia (green-blind)

#232010

Tritanopia (blue-blind)

#3D0911

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #371011;
/* rgb */ color: rgb(55, 16, 17);
/* oklch */ color: oklch(23.8% 0.063 21.6);

Tailwind

colors: {
  custom: {
    50: '#71504f',
    500: '#371011',
    950: '#000000',
  },
}

SCSS

$custom: #371011;
$custom-light: #71504f;
$custom-dark: #000000;

JSON

{
  "hex": "#371011",
  "rgb": {
    "r": 55,
    "g": 16,
    "b": 17
  },
  "hsl": {
    "h": 358.462,
    "s": 54.93,
    "l": 13.922
  },
  "oklch": {
    "l": 0.23797,
    "c": 0.06252,
    "h": 21.6
  },
  "luminance": 0.01223
}

Semantic roles & 50–950 ramp

primary

#371011

secondary

#32716F

accent

#DEDA4A

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080201

muted

#7B7877

Preview Lab

Preview with #371011

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

Preview Lab → · Contrast checker → · Palette generator →