#370739#370739

#370739 is a very dark, moderate purple. Relative luminance 0.013; OKLCH L 24.6% C 0.100 H 326.3°. Best body text is #FFFFFF at 16.77:1 contrast (WCAG AA passes).

Color values

HEX	#370739
RGB	rgb(55, 7, 57)
HSL	hsl(298, 78%, 13%)
HSV	hsv(298, 88%, 22%)
CMYK	cmyk(3.5%, 87.7%, 0%, 77.6%)
CIE-LAB	lab(10.99, 30.14, -19.88)
CIE-LCH	lch(10.99, 36.11, 326.59°)
OKLab	oklab(24.59% 0.0829 -0.0553)
OKLCH	oklch(24.59% 0.1 326.3)
XYZ	xyz(2.3900, 1.2598, 3.9874)
Luminance	0.0126 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370739 #093907

analogous

#1E0739 #370739 #390722

triadic

#370739 #393707 #073937

tetradic

#370739 #391E07 #093907 #072239

square

#370739 #391E07 #093907 #072239

split-complementary

#370739 #223907 #07391E

monochromatic

#1A031B #1A031B #370739 #6C0E70 #A014A6

Accessibility & contrast

On white

16.77

#370739 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#370739 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370739

16.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370739	#FFFFFF	#000000	##FFFFFF
##370739	1.00	16.77	1.25	16.77
#FFFFFF	16.77	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A3A

Deuteranopia (green-blind)

#131F38

Tritanopia (blue-blind)

#391020

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #370739;
/* rgb */ color: rgb(55, 7, 57);
/* oklch */ color: oklch(24.6% 0.100 326.3);

Tailwind

colors: {
  custom: {
    50: '#704d6f',
    500: '#370739',
    950: '#000000',
  },
}

SCSS

$custom: #370739;
$custom-light: #704d6f;
$custom-dark: #000000;

JSON

{
  "hex": "#370739",
  "rgb": {
    "r": 55,
    "g": 7,
    "b": 57
  },
  "hsl": {
    "h": 297.6,
    "s": 78.125,
    "l": 12.549
  },
  "oklch": {
    "l": 0.24587,
    "c": 0.09967,
    "h": 326.3
  },
  "luminance": 0.0126
}

Semantic roles & 50–950 ramp

primary

#370739

secondary

#277923

accent

#F5333B

background

#F6F4F6

surface

#ECE7EC

border

#C7C3C7

text

#080107

muted

#7B777A

Preview Lab

Preview with #370739

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

Preview Lab → · Contrast checker → · Palette generator →