#370B1F#370B1F

#370B1F is a very dark, moderate pink. Relative luminance 0.011; OKLCH L 23.5% C 0.073 H 356.4°. Best body text is #FFFFFF at 17.07:1 contrast (WCAG AA passes).

Color values

HEX	#370B1F
RGB	rgb(55, 11, 31)
HSL	hsl(333, 67%, 13%)
HSV	hsv(333, 80%, 22%)
CMYK	cmyk(0%, 80%, 43.6%, 78.4%)
CIE-LAB	lab(10.19, 23.83, -1.88)
CIE-LCH	lch(10.19, 23.90, 355.49°)
OKLab	oklab(23.54% 0.073 -0.0046)
OKLCH	oklch(23.54% 0.073 356.4)
XYZ	xyz(1.9427, 1.1507, 1.4159)
Luminance	0.0115 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370B1F #0B3723

analogous

#370B35 #370B1F #370D0B

triadic

#370B1F #1F370B #0B1F37

tetradic

#370B1F #35370B #0B3723 #0D0B37

square

#370B1F #35370B #0B3723 #0D0B37

split-complementary

#370B1F #0B370D #0B3537

monochromatic

#1A050E #1A050E #370B1F #6A153C #9D1F58

Accessibility & contrast

On white

17.07

#370B1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#370B1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370B1F

17.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370B1F	#FFFFFF	#000000	##FFFFFF
##370B1F	1.00	17.07	1.23	17.07
#FFFFFF	17.07	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#131720

Deuteranopia (green-blind)

#1F1F1E

Tritanopia (blue-blind)

#3C0713

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #370b1f;
/* rgb */ color: rgb(55, 11, 31);
/* oklch */ color: oklch(23.5% 0.073 356.4);

Tailwind

colors: {
  custom: {
    50: '#704e5a',
    500: '#370b1f',
    950: '#000000',
  },
}

SCSS

$custom: #370b1f;
$custom-light: #704e5a;
$custom-dark: #000000;

JSON

{
  "hex": "#370b1f",
  "rgb": {
    "r": 55,
    "g": 11,
    "b": 31
  },
  "hsl": {
    "h": 332.727,
    "s": 66.667,
    "l": 12.941
  },
  "oklch": {
    "l": 0.23536,
    "c": 0.07311,
    "h": 356.4
  },
  "luminance": 0.0115
}

Semantic roles & 50–950 ramp

primary

#370B1F

secondary

#2A7452

accent

#EA9C3E

background

#F7F4F5

surface

#EDE7E9

border

#C8C3C5

text

#080103

muted

#7B7778

Preview Lab

Preview with #370B1F

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

Preview Lab → · Contrast checker → · Palette generator →