#370B31#370B31

#370B31 is a very dark, moderate purple. Relative luminance 0.013; OKLCH L 24.5% C 0.086 H 333.9°. Best body text is #FFFFFF at 16.74:1 contrast (WCAG AA passes).

Color values

HEX	#370B31
RGB	rgb(55, 11, 49)
HSL	hsl(308, 67%, 13%)
HSV	hsv(308, 80%, 22%)
CMYK	cmyk(0%, 80%, 10.9%, 78.4%)
CIE-LAB	lab(11.09, 26.80, -13.92)
CIE-LCH	lch(11.09, 30.19, 332.55°)
OKLab	oklab(24.49% 0.0776 -0.0381)
OKLCH	oklch(24.49% 0.086 333.9)
XYZ	xyz(2.2496, 1.2735, 3.0325)
Luminance	0.0127 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370B31 #0B3711

analogous

#270B37 #370B31 #370B1B

triadic

#370B31 #31370B #0B3137

tetradic

#370B31 #37270B #0B3711 #0B1B37

square

#370B31 #37270B #0B3711 #0B1B37

split-complementary

#370B31 #1B370B #0B3727

monochromatic

#1A0517 #1A0517 #370B31 #6A155E #9D1F8C

Accessibility & contrast

On white

16.74

#370B31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#370B31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370B31

16.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370B31	#FFFFFF	#000000	##FFFFFF
##370B31	1.00	16.74	1.25	16.74
#FFFFFF	16.74	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A1A32

Deuteranopia (green-blind)

#192030

Tritanopia (blue-blind)

#3A0F1C

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #370b31;
/* rgb */ color: rgb(55, 11, 49);
/* oklch */ color: oklch(24.5% 0.086 333.9);

Tailwind

colors: {
  custom: {
    50: '#704e69',
    500: '#370b31',
    950: '#000000',
  },
}

SCSS

$custom: #370b31;
$custom-light: #704e69;
$custom-dark: #000000;

JSON

{
  "hex": "#370b31",
  "rgb": {
    "r": 55,
    "g": 11,
    "b": 49
  },
  "hsl": {
    "h": 308.182,
    "s": 66.667,
    "l": 12.941
  },
  "oklch": {
    "l": 0.24488,
    "c": 0.08644,
    "h": 333.9
  },
  "luminance": 0.01273
}

Semantic roles & 50–950 ramp

primary

#370B31

secondary

#2A7434

accent

#EA563E

background

#F6F4F6

surface

#ECE7EB

border

#C7C3C6

text

#080206

muted

#7B787A

Preview Lab

Preview with #370B31

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

Preview Lab → · Contrast checker → · Palette generator →