#37110F#37110F

#37110F is a very dark, moderate red. Relative luminance 0.012; OKLCH L 23.9% C 0.061 H 25.8°. Best body text is #FFFFFF at 16.81:1 contrast (WCAG AA passes).

Color values

HEX	#37110F
RGB	rgb(55, 17, 15)
HSL	hsl(3, 57%, 14%)
HSV	hsv(3, 73%, 22%)
CMYK	cmyk(0%, 69.1%, 72.7%, 78.4%)
CIE-LAB	lab(10.91, 18.82, 10.30)
CIE-LCH	lch(10.91, 21.46, 28.69°)
OKLab	oklab(23.92% 0.0553 0.0267)
OKLCH	oklch(23.92% 0.061 25.8)
XYZ	xyz(1.8624, 1.2479, 0.5946)
Luminance	0.0125 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37110F #0F3537

analogous

#370F21 #37110F #37250F

triadic

#37110F #0F3711 #110F37

tetradic

#37110F #21370F #0F3537 #250F37

square

#37110F #21370F #0F3537 #250F37

split-complementary

#37110F #0F3725 #0F2137

monochromatic

#180707 #180707 #37110F #67201C #972F29

Accessibility & contrast

On white

16.81

#37110F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#37110F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37110F

16.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37110F	#FFFFFF	#000000	##FFFFFF
##37110F	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)

#1B180F

Deuteranopia (green-blind)

#24200E

Tritanopia (blue-blind)

#3D0A11

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #37110f;
/* rgb */ color: rgb(55, 17, 15);
/* oklch */ color: oklch(23.9% 0.061 25.8);

Tailwind

colors: {
  custom: {
    50: '#71514e',
    500: '#37110f',
    950: '#000000',
  },
}

SCSS

$custom: #37110f;
$custom-light: #71514e;
$custom-dark: #000000;

JSON

{
  "hex": "#37110f",
  "rgb": {
    "r": 55,
    "g": 17,
    "b": 15
  },
  "hsl": {
    "h": 3,
    "s": 57.143,
    "l": 13.725
  },
  "oklch": {
    "l": 0.23915,
    "c": 0.06143,
    "h": 25.8
  },
  "luminance": 0.01248
}

Semantic roles & 50–950 ramp

primary

#37110F

secondary

#316E71

accent

#D9E047

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080201

muted

#7B7877

Preview Lab

Preview with #37110F

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

Preview Lab → · Contrast checker → · Palette generator →