#371018#371018

#371018 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 24.0% C 0.063 H 10.6°. Best body text is #FFFFFF at 16.80:1 contrast (WCAG AA passes).

Color values

HEX	#371018
RGB	rgb(55, 16, 24)
HSL	hsl(348, 55%, 14%)
HSV	hsv(348, 71%, 22%)
CMYK	cmyk(0%, 70.9%, 56.4%, 78.4%)
CIE-LAB	lab(10.91, 20.30, 4.47)
CIE-LCH	lch(10.91, 20.79, 12.42°)
OKLab	oklab(24% 0.0616 0.0115)
OKLCH	oklch(24% 0.063 10.6)
XYZ	xyz(1.9259, 1.2490, 1.0036)
Luminance	0.0125 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371018 #10372F

analogous

#37102C #371018 #371C10

triadic

#371018 #183710 #101837

tetradic

#371018 #2C3710 #10372F #1C1037

square

#371018 #2C3710 #10372F #1C1037

split-complementary

#371018 #10371C #102C37

monochromatic

#18070A #18070A #371018 #661E2D #962C41

Accessibility & contrast

On white

16.80

#371018 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#371018 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371018

16.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371018	#FFFFFF	#000000	##FFFFFF
##371018	1.00	16.80	1.25	16.80
#FFFFFF	16.80	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#181818

Deuteranopia (green-blind)

#232017

Tritanopia (blue-blind)

#3D0A13

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #371018;
/* rgb */ color: rgb(55, 16, 24);
/* oklch */ color: oklch(24.0% 0.063 10.6);

Tailwind

colors: {
  custom: {
    50: '#715054',
    500: '#371018',
    950: '#000000',
  },
}

SCSS

$custom: #371018;
$custom-light: #715054;
$custom-dark: #000000;

JSON

{
  "hex": "#371018",
  "rgb": {
    "r": 55,
    "g": 16,
    "b": 24
  },
  "hsl": {
    "h": 347.692,
    "s": 54.93,
    "l": 13.922
  },
  "oklch": {
    "l": 0.23995,
    "c": 0.06262,
    "h": 10.6
  },
  "luminance": 0.01249
}

Semantic roles & 50–950 ramp

primary

#371018

secondary

#327164

accent

#DEC04A

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080202

muted

#7B7878

Preview Lab

Preview with #371018

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

Preview Lab → · Contrast checker → · Palette generator →