#370B30#370B30

#370B30 is a very dark, moderate purple. Relative luminance 0.013; OKLCH L 24.4% C 0.086 H 334.9°. Best body text is #FFFFFF at 16.76:1 contrast (WCAG AA passes).

Color values

HEX	#370B30
RGB	rgb(55, 11, 48)
HSL	hsl(310, 67%, 13%)
HSV	hsv(310, 80%, 22%)
CMYK	cmyk(0%, 80%, 12.7%, 78.4%)
CIE-LAB	lab(11.03, 26.60, -13.28)
CIE-LCH	lch(11.03, 29.73, 333.47°)
OKLab	oklab(24.43% 0.0775 -0.0362)
OKLCH	oklch(24.43% 0.086 334.9)
XYZ	xyz(2.2287, 1.2652, 2.9226)
Luminance	0.0126 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370B30 #0B3712

analogous

#280B37 #370B30 #370B1A

triadic

#370B30 #30370B #0B3037

tetradic

#370B30 #37280B #0B3712 #0B1A37

square

#370B30 #37280B #0B3712 #0B1A37

split-complementary

#370B30 #1A370B #0B3728

monochromatic

#1A0516 #1A0516 #370B30 #6A155D #9D1F89

Accessibility & contrast

On white

16.76

#370B30 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#370B30 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370B30

16.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370B30	#FFFFFF	#000000	##FFFFFF
##370B30	1.00	16.76	1.25	16.76
#FFFFFF	16.76	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B1931

Deuteranopia (green-blind)

#1A202F

Tritanopia (blue-blind)

#3A0E1C

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #370b30;
/* rgb */ color: rgb(55, 11, 48);
/* oklch */ color: oklch(24.4% 0.086 334.9);

Tailwind

colors: {
  custom: {
    50: '#704e68',
    500: '#370b30',
    950: '#000000',
  },
}

SCSS

$custom: #370b30;
$custom-light: #704e68;
$custom-dark: #000000;

JSON

{
  "hex": "#370b30",
  "rgb": {
    "r": 55,
    "g": 11,
    "b": 48
  },
  "hsl": {
    "h": 309.545,
    "s": 66.667,
    "l": 12.941
  },
  "oklch": {
    "l": 0.24426,
    "c": 0.08553,
    "h": 334.9
  },
  "luminance": 0.01265
}

Semantic roles & 50–950 ramp

primary

#370B30

secondary

#2A7436

accent

#EA593E

background

#F6F4F6

surface

#ECE7EB

border

#C7C3C6

text

#080206

muted

#7B787A

Preview Lab

Preview with #370B30

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

Preview Lab → · Contrast checker → · Palette generator →