#37073B#37073B

#37073B is a very dark, moderate purple. Relative luminance 0.013; OKLCH L 24.7% C 0.102 H 324.6°. Best body text is #FFFFFF at 16.72:1 contrast (WCAG AA passes).

Color values

HEX#37073B
RGBrgb(55, 7, 59)
HSLhsl(295, 79%, 13%)
HSVhsv(295, 88%, 23%)
CMYKcmyk(6.8%, 88.1%, 0%, 76.9%)
CIE-LABlab(11.14, 30.55, -21.09)
CIE-LCHlch(11.14, 37.12, 325.39°)
OKLaboklab(24.74% 0.0828 -0.0588)
OKLCHoklch(24.74% 0.102 324.6)
XYZxyz(2.4409, 1.2801, 4.2553)
Luminance0.0128 (WCAG relative)
Temperatureneutral
Familypurple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37073B #0B3B07
analogous
#1D073B #37073B #3B0725
triadic
#37073B #3B3707 #073B37
tetradic
#37073B #3B1D07 #0B3B07 #07253B
square
#37073B #3B1D07 #0B3B07 #07253B
split-complementary
#37073B #253B07 #073B1D
monochromatic
#1A031B #1A031B #37073B #6A0D72 #9D14A8

Accessibility & contrast

On white

16.72
#37073B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.26
#37073B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37073B
16.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37073B#FFFFFF#000000##FFFFFF
##37073B1.0016.721.2616.72
#FFFFFF16.721.0021.001.00
#0000001.2621.001.0021.00
##FFFFFF16.721.0021.001.00

Color blindness preview

Protanopia (red-blind)
#001A3C
Deuteranopia (green-blind)
#12203A
Tritanopia (blue-blind)
#381121
Achromatopsia (no color)
#1E1E1E

Design tokens & code

CSS
--color: #37073b;
/* rgb */ color: rgb(55, 7, 59);
/* oklch */ color: oklch(24.7% 0.102 324.6);
Tailwind
colors: {
  custom: {
    50: '#704d71',
    500: '#37073b',
    950: '#000000',
  },
}
SCSS
$custom: #37073b;
$custom-light: #704d71;
$custom-dark: #000000;
JSON
{
  "hex": "#37073b",
  "rgb": {
    "r": 55,
    "g": 7,
    "b": 59
  },
  "hsl": {
    "h": 295.385,
    "s": 78.788,
    "l": 12.941
  },
  "oklch": {
    "l": 0.24736,
    "c": 0.10155,
    "h": 324.6
  },
  "luminance": 0.0128
}

Semantic roles & 50–950 ramp

primary
#37073B
secondary
#2A7A23
accent
#F53342
background
#F6F4F6
surface
#ECE7EC
border
#C7C3C7
text
#080207
muted
#7B787A

Preview Lab

Preview with #37073B

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

Preview Lab → · Contrast checker → · Palette generator →

#37073B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva