#37111A#37111A

#37111A is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.2% C 0.061 H 8.2°. Best body text is #FFFFFF at 16.70:1 contrast (WCAG AA passes).

Color values

HEX	#37111A
RGB	rgb(55, 17, 26)
HSL	hsl(346, 53%, 14%)
HSV	hsv(346, 69%, 22%)
CMYK	cmyk(0%, 69.1%, 52.7%, 78.4%)
CIE-LAB	lab(11.19, 19.97, 3.35)
CIE-LCH	lch(11.19, 20.25, 9.53°)
OKLab	oklab(24.22% 0.0607 0.0088)
OKLCH	oklch(24.22% 0.061 8.2)
XYZ	xyz(1.9626, 1.2879, 1.1223)
Luminance	0.0129 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37111A #11372E

analogous

#37112D #37111A #371B11

triadic

#37111A #1A3711 #111A37

tetradic

#37111A #2D3711 #11372E #1B1137

square

#37111A #2D3711 #11372E #1B1137

split-complementary

#37111A #11371B #112D37

monochromatic

#17070B #17070B #37111A #661F30 #952E46

Accessibility & contrast

On white

16.70

#37111A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#37111A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37111A

16.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37111A	#FFFFFF	#000000	##FFFFFF
##37111A	1.00	16.70	1.26	16.70
#FFFFFF	16.70	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19191A

Deuteranopia (green-blind)

#232119

Tritanopia (blue-blind)

#3C0C14

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #37111a;
/* rgb */ color: rgb(55, 17, 26);
/* oklch */ color: oklch(24.2% 0.061 8.2);

Tailwind

colors: {
  custom: {
    50: '#705156',
    500: '#37111a',
    950: '#000000',
  },
}

SCSS

$custom: #37111a;
$custom-light: #705156;
$custom-dark: #000000;

JSON

{
  "hex": "#37111a",
  "rgb": {
    "r": 55,
    "g": 17,
    "b": 26
  },
  "hsl": {
    "h": 345.789,
    "s": 52.778,
    "l": 14.118
  },
  "oklch": {
    "l": 0.24223,
    "c": 0.06132,
    "h": 8.2
  },
  "luminance": 0.01288
}

Semantic roles & 50–950 ramp

primary

#37111A

secondary

#347062

accent

#DCBA4C

background

#F6F4F5

surface

#ECE7E8

border

#C7C3C4

text

#080203

muted

#7B7878

Preview Lab

Preview with #37111A

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

Preview Lab → · Contrast checker → · Palette generator →