#370E57#370E57

#370E57 is a dark, vivid violet. Relative luminance 0.018; OKLCH L 27.8% C 0.122 H 305.0°. Best body text is #FFFFFF at 15.41:1 contrast (WCAG AA passes).

Color values

HEX#370E57
RGBrgb(55, 14, 87)
HSLhsl(274, 72%, 20%)
HSVhsv(274, 84%, 34%)
CMYKcmyk(36.8%, 83.9%, 0%, 65.9%)
CIE-LABlab(14.48, 34.20, -35.15)
CIE-LCHlch(14.48, 49.05, 314.22°)
OKLaboklab(27.83% 0.07 -0.1001)
OKLCHoklch(27.83% 0.122 305)
XYZxyz(3.4525, 1.8144, 9.1833)
Luminance0.0181 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#370E57 #2E570E
analogous
#130E57 #370E57 #570E52
triadic
#370E57 #57370E #0E5737
tetradic
#370E57 #57130E #2E570E #0E5257
square
#370E57 #57130E #2E570E #0E5257
split-complementary
#370E57 #52570E #0E5713
monochromatic
#11041A #160622 #370E57 #58168C #7A1FC0

Accessibility & contrast

On white

15.41
#370E57 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.36
#370E57 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370E57
15.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##370E57#FFFFFF#000000##FFFFFF
##370E571.0015.411.3615.41
#FFFFFF15.411.0021.001.00
#0000001.3621.001.0021.00
##FFFFFF15.411.0021.001.00

Color blindness preview

Protanopia (red-blind)
#002459
Deuteranopia (green-blind)
#002556
Tritanopia (blue-blind)
#312132
Achromatopsia (no color)
#252525

Design tokens & code

CSS
--color: #370e57;
/* rgb */ color: rgb(55, 14, 87);
/* oklch */ color: oklch(27.8% 0.122 305.0);
Tailwind
colors: {
  custom: {
    50: '#725287',
    500: '#370e57',
    950: '#000000',
  },
}
SCSS
$custom: #370e57;
$custom-light: #725287;
$custom-dark: #000000;
JSON
{
  "hex": "#370e57",
  "rgb": {
    "r": 55,
    "g": 14,
    "b": 87
  },
  "hsl": {
    "h": 273.699,
    "s": 72.277,
    "l": 19.804
  },
  "oklch": {
    "l": 0.27828,
    "c": 0.12218,
    "h": 305
  },
  "luminance": 0.01814
}

Semantic roles & 50–950 ramp

primary
#370E57
secondary
#5A9130
accent
#EF3989
background
#F7F4F8
surface
#EDE7EF
border
#C8C3CA
text
#08020B
muted
#7B787C

Preview Lab

Preview with #370E57

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

Preview Lab → · Contrast checker → · Palette generator →

#370E57 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva