#370339#370339

#370339 is a very dark, moderate purple. Relative luminance 0.012; OKLCH L 24.1% C 0.106 H 326.5°. Best body text is #FFFFFF at 17.01:1 contrast (WCAG AA passes).

Color values

HEX	#370339
RGB	rgb(55, 3, 57)
HSL	hsl(298, 90%, 12%)
HSV	hsv(298, 95%, 22%)
CMYK	cmyk(3.5%, 94.7%, 0%, 77.6%)
CIE-LAB	lab(10.36, 31.99, -20.89)
CIE-LCH	lch(10.36, 38.21, 326.85°)
OKLab	oklab(24.14% 0.0881 -0.0582)
OKLCH	oklch(24.14% 0.106 326.5)
XYZ	xyz(2.3466, 1.1729, 3.9729)
Luminance	0.0117 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370339 #053903

analogous

#1C0339 #370339 #390320

triadic

#370339 #393703 #033937

tetradic

#370339 #391C03 #053903 #032039

square

#370339 #391C03 #053903 #032039

split-complementary

#370339 #203903 #03391C

monochromatic

#1C021D #1C021D #370339 #6F0673 #A709AD

Accessibility & contrast

On white

17.01

#370339 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#370339 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370339

17.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370339	#FFFFFF	#000000	##FFFFFF
##370339	1.00	17.01	1.23	17.01
#FFFFFF	17.01	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00183A

Deuteranopia (green-blind)

#111E38

Tritanopia (blue-blind)

#390D1E

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #370339;
/* rgb */ color: rgb(55, 3, 57);
/* oklch */ color: oklch(24.1% 0.106 326.5);

Tailwind

colors: {
  custom: {
    50: '#704b70',
    500: '#370339',
    950: '#000000',
  },
}

SCSS

$custom: #370339;
$custom-light: #704b70;
$custom-dark: #000000;

JSON

{
  "hex": "#370339",
  "rgb": {
    "r": 55,
    "g": 3,
    "b": 57
  },
  "hsl": {
    "h": 297.778,
    "s": 90,
    "l": 11.765
  },
  "oklch": {
    "l": 0.24137,
    "c": 0.10557,
    "h": 326.5
  },
  "luminance": 0.01173
}

Semantic roles & 50–950 ramp

primary

#370339

secondary

#207C1C

accent

#FF2931

background

#F7F4F6

surface

#EDE7EC

border

#C8C3C7

text

#080107

muted

#7B777A

Preview Lab

Preview with #370339

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

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