#370B3A#370B3A

#370B3A is a dark, moderate purple. Relative luminance 0.014; OKLCH L 25.1% C 0.095 H 325.2°. Best body text is #FFFFFF at 16.52:1 contrast (WCAG AA passes).

Color values

HEX	#370B3A
RGB	rgb(55, 11, 58)
HSL	hsl(296, 68%, 14%)
HSV	hsv(296, 81%, 23%)
CMYK	cmyk(5.2%, 81%, 0%, 77.3%)
CIE-LAB	lab(11.67, 28.61, -19.52)
CIE-LCH	lch(11.67, 34.63, 325.70°)
OKLab	oklab(25.09% 0.0781 -0.0543)
OKLCH	oklch(25.09% 0.095 325.2)
XYZ	xyz(2.4589, 1.3572, 4.1346)
Luminance	0.0136 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370B3A #0E3A0B

analogous

#1F0B3A #370B3A #3A0B25

triadic

#370B3A #3A370B #0B3A37

tetradic

#370B3A #3A1F0B #0E3A0B #0B253A

square

#370B3A #3A1F0B #0E3A0B #0B253A

split-complementary

#370B3A #253A0B #0B3A1F

monochromatic

#18051A #18051A #370B3A #68156D #991FA1

Accessibility & contrast

On white

16.52

#370B3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#370B3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370B3A

16.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370B3A	#FFFFFF	#000000	##FFFFFF
##370B3A	1.00	16.52	1.27	16.52
#FFFFFF	16.52	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#021B3B

Deuteranopia (green-blind)

#152139

Tritanopia (blue-blind)

#381321

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #370b3a;
/* rgb */ color: rgb(55, 11, 58);
/* oklch */ color: oklch(25.1% 0.095 325.2);

Tailwind

colors: {
  custom: {
    50: '#704f70',
    500: '#370b3a',
    950: '#000000',
  },
}

SCSS

$custom: #370b3a;
$custom-light: #704f70;
$custom-dark: #000000;

JSON

{
  "hex": "#370b3a",
  "rgb": {
    "r": 55,
    "g": 11,
    "b": 58
  },
  "hsl": {
    "h": 296.17,
    "s": 68.116,
    "l": 13.529
  },
  "oklch": {
    "l": 0.25094,
    "c": 0.09507,
    "h": 325.2
  },
  "luminance": 0.01357
}

Semantic roles & 50–950 ramp

primary

#370B3A

secondary

#2F772A

accent

#EB3D48

background

#F6F4F6

surface

#ECE7EC

border

#C7C3C7

text

#080207

muted

#7B787A

Preview Lab

Preview with #370B3A

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

Preview Lab → · Contrast checker → · Palette generator →