#370A37#370A37

#370A37 is a very dark, moderate purple. Relative luminance 0.013; OKLCH L 24.8% C 0.094 H 327.9°. Best body text is #FFFFFF at 16.65:1 contrast (WCAG AA passes).

Color values

HEX	#370A37
RGB	rgb(55, 10, 55)
HSL	hsl(300, 69%, 13%)
HSV	hsv(300, 82%, 22%)
CMYK	cmyk(0%, 81.8%, 0%, 78.4%)
CIE-LAB	lab(11.31, 28.42, -17.93)
CIE-LCH	lch(11.31, 33.60, 327.76°)
OKLab	oklab(24.77% 0.0793 -0.0496)
OKLCH	oklch(24.77% 0.094 327.9)
XYZ	xyz(2.3736, 1.3053, 3.7406)
Luminance	0.0131 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370A37 #0A370A

analogous

#200A37 #370A37 #370A20

triadic

#370A37 #37370A #0A3737

tetradic

#370A37 #37200A #0A370A #0A2037

square

#370A37 #37200A #0A370A #0A2037

split-complementary

#370A37 #20370A #0A3720

monochromatic

#1A051A #1A051A #370A37 #6B136B #9F1D9F

Accessibility & contrast

On white

16.65

#370A37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#370A37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370A37

16.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370A37	#FFFFFF	#000000	##FFFFFF
##370A37	1.00	16.65	1.26	16.65
#FFFFFF	16.65	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#041A38

Deuteranopia (green-blind)

#162036

Tritanopia (blue-blind)

#39111F

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #370a37;
/* rgb */ color: rgb(55, 10, 55);
/* oklch */ color: oklch(24.8% 0.094 327.9);

Tailwind

colors: {
  custom: {
    50: '#704e6e',
    500: '#370a37',
    950: '#000000',
  },
}

SCSS

$custom: #370a37;
$custom-light: #704e6e;
$custom-dark: #000000;

JSON

{
  "hex": "#370a37",
  "rgb": {
    "r": 55,
    "g": 10,
    "b": 55
  },
  "hsl": {
    "h": 300,
    "s": 69.231,
    "l": 12.745
  },
  "oklch": {
    "l": 0.24772,
    "c": 0.09352,
    "h": 327.9
  },
  "luminance": 0.01305
}

Semantic roles & 50–950 ramp

primary

#370A37

secondary

#287428

accent

#EC3C3C

background

#F6F4F6

surface

#ECE7EB

border

#C7C3C6

text

#080207

muted

#7B787A

Preview Lab

Preview with #370A37

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

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