#370D51#370D51

#370D51 is a dark, moderate violet. Relative luminance 0.017; OKLCH L 27.2% C 0.117 H 308.4°. Best body text is #FFFFFF at 15.69:1 contrast (WCAG AA passes).

Color values

HEX	#370D51
RGB	rgb(55, 13, 81)
HSL	hsl(277, 72%, 18%)
HSV	hsv(277, 84%, 32%)
CMYK	cmyk(32.1%, 84%, 0%, 68.2%)
CIE-LAB	lab(13.79, 33.11, -32.19)
CIE-LCH	lch(13.79, 46.18, 315.80°)
OKLab	oklab(27.18% 0.0726 -0.0914)
OKLCH	oklch(27.18% 0.117 308.4)
XYZ	xyz(3.2044, 1.6942, 7.9412)
Luminance	0.0169 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370D51 #27510D

analogous

#150D51 #370D51 #510D49

triadic

#370D51 #51370D #0D5137

tetradic

#370D51 #51150D #27510D #0D4951

square

#370D51 #51150D #27510D #0D4951

split-complementary

#370D51 #49510D #0D5115

monochromatic

#12041A #13051C #370D51 #5B1586 #7F1EBA

Accessibility & contrast

On white

15.69

#370D51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#370D51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370D51

15.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370D51	#FFFFFF	#000000	##FFFFFF
##370D51	1.00	15.69	1.34	15.69
#FFFFFF	15.69	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002253

Deuteranopia (green-blind)

#002450

Tritanopia (blue-blind)

#331E2F

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #370d51;
/* rgb */ color: rgb(55, 13, 81);
/* oklch */ color: oklch(27.2% 0.117 308.4);

Tailwind

colors: {
  custom: {
    50: '#715182',
    500: '#370d51',
    950: '#000000',
  },
}

SCSS

$custom: #370d51;
$custom-light: #715182;
$custom-dark: #000000;

JSON

{
  "hex": "#370d51",
  "rgb": {
    "r": 55,
    "g": 13,
    "b": 81
  },
  "hsl": {
    "h": 277.059,
    "s": 72.34,
    "l": 18.431
  },
  "oklch": {
    "l": 0.27177,
    "c": 0.11673,
    "h": 308.4
  },
  "luminance": 0.01694
}

Semantic roles & 50–950 ramp

primary

#370D51

secondary

#528C2E

accent

#EF397E

background

#F7F4F8

surface

#EDE7EF

border

#C8C3CA

text

#08020A

muted

#7B787C

Preview Lab

Preview with #370D51

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

Preview Lab → · Contrast checker → · Palette generator →