#370B4A#370B4A

#370B4A is a dark, moderate purple. Relative luminance 0.015; OKLCH L 26.4% C 0.112 H 313.1°. Best body text is #FFFFFF at 16.04:1 contrast (WCAG AA passes).

Color values

HEX	#370B4A
RGB	rgb(55, 11, 74)
HSL	hsl(282, 74%, 17%)
HSV	hsv(282, 85%, 29%)
CMYK	cmyk(25.7%, 85.1%, 0%, 71%)
CIE-LAB	lab(12.90, 32.23, -28.82)
CIE-LCH	lch(12.90, 43.24, 318.20°)
OKLab	oklab(26.36% 0.0762 -0.0815)
OKLCH	oklch(26.36% 0.112 313.1)
XYZ	xyz(2.9310, 1.5461, 6.6213)
Luminance	0.0155 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370B4A #1E4A0B

analogous

#180B4A #370B4A #4A0B3E

triadic

#370B4A #4A370B #0B4A37

tetradic

#370B4A #4A180B #1E4A0B #0B3E4A

square

#370B4A #4A180B #1E4A0B #0B3E4A

split-complementary

#370B4A #3E4A0B #0B4A18

monochromatic

#14041B #14041B #370B4A #5F137F #861BB5

Accessibility & contrast

On white

16.04

#370B4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#370B4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370B4A

16.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370B4A	#FFFFFF	#000000	##FFFFFF
##370B4A	1.00	16.04	1.31	16.04
#FFFFFF	16.04	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F4C

Deuteranopia (green-blind)

#042249

Tritanopia (blue-blind)

#351A2A

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #370b4a;
/* rgb */ color: rgb(55, 11, 74);
/* oklch */ color: oklch(26.4% 0.112 313.1);

Tailwind

colors: {
  custom: {
    50: '#71507d',
    500: '#370b4a',
    950: '#000000',
  },
}

SCSS

$custom: #370b4a;
$custom-light: #71507d;
$custom-dark: #000000;

JSON

{
  "hex": "#370b4a",
  "rgb": {
    "r": 55,
    "g": 11,
    "b": 74
  },
  "hsl": {
    "h": 281.905,
    "s": 74.118,
    "l": 16.667
  },
  "oklch": {
    "l": 0.26358,
    "c": 0.11157,
    "h": 313.1
  },
  "luminance": 0.01546
}

Semantic roles & 50–950 ramp

primary

#370B4A

secondary

#46862B

accent

#F1376F

background

#F7F4F7

surface

#EDE7EE

border

#C8C3C9

text

#080209

muted

#7B787B

Preview Lab

Preview with #370B4A

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

Preview Lab → · Contrast checker → · Palette generator →