#371017#371017

#371017 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 24.0% C 0.062 H 12.2°. Best body text is #FFFFFF at 16.81:1 contrast (WCAG AA passes).

Color values

HEX	#371017
RGB	rgb(55, 16, 23)
HSL	hsl(349, 55%, 14%)
HSV	hsv(349, 71%, 22%)
CMYK	cmyk(0%, 70.9%, 58.2%, 78.4%)
CIE-LAB	lab(10.88, 20.19, 5.18)
CIE-LCH	lch(10.88, 20.84, 14.39°)
OKLab	oklab(23.96% 0.0611 0.0132)
OKLCH	oklch(23.96% 0.062 12.2)
XYZ	xyz(1.9156, 1.2449, 0.9499)
Luminance	0.0124 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371017 #103730

analogous

#37102B #371017 #371D10

triadic

#371017 #173710 #101737

tetradic

#371017 #2B3710 #103730 #1D1037

square

#371017 #2B3710 #103730 #1D1037

split-complementary

#371017 #10371D #102B37

monochromatic

#18070A #18070A #371017 #661E2B #962C3F

Accessibility & contrast

On white

16.81

#371017 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#371017 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371017

16.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371017	#FFFFFF	#000000	##FFFFFF
##371017	1.00	16.81	1.25	16.81
#FFFFFF	16.81	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#191817

Deuteranopia (green-blind)

#232016

Tritanopia (blue-blind)

#3D0A13

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #371017;
/* rgb */ color: rgb(55, 16, 23);
/* oklch */ color: oklch(24.0% 0.062 12.2);

Tailwind

colors: {
  custom: {
    50: '#715053',
    500: '#371017',
    950: '#000000',
  },
}

SCSS

$custom: #371017;
$custom-light: #715053;
$custom-dark: #000000;

JSON

{
  "hex": "#371017",
  "rgb": {
    "r": 55,
    "g": 16,
    "b": 23
  },
  "hsl": {
    "h": 349.231,
    "s": 54.93,
    "l": 13.922
  },
  "oklch": {
    "l": 0.23964,
    "c": 0.06249,
    "h": 12.2
  },
  "luminance": 0.01245
}

Semantic roles & 50–950 ramp

primary

#371017

secondary

#327165

accent

#DEC44A

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080202

muted

#7B7878

Preview Lab

Preview with #371017

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

Preview Lab → · Contrast checker → · Palette generator →