#210D2B#210D2B

#210D2B is a very dark, moderate purple. Relative luminance 0.008; OKLCH L 20.6% C 0.062 H 313.0°. Best body text is #FFFFFF at 18.15:1 contrast (WCAG AA passes).

Color values

HEX#210D2B
RGBrgb(33, 13, 43)
HSLhsl(280, 54%, 11%)
HSVhsv(280, 70%, 17%)
CMYKcmyk(23.3%, 69.8%, 0%, 83.1%)
CIE-LABlab(7.10, 17.10, -16.05)
CIE-LCHlch(7.10, 23.45, 316.83°)
OKLaboklab(20.61% 0.0421 -0.0451)
OKLCHoklch(20.61% 0.062 313)
XYZxyz(1.2071, 0.7856, 2.3731)
Luminance0.0079 (WCAG relative)
Temperaturecool
Familypurple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#210D2B #172B0D
analogous
#120D2B #210D2B #2B0D26
triadic
#210D2B #2B210D #0D2B21
tetradic
#210D2B #2B120D #172B0D #0D262B
square
#210D2B #2B120D #172B0D #0D262B
split-complementary
#210D2B #262B0D #0D2B12
monochromatic
#120717 #120717 #210D2B #451B5A #692989

Accessibility & contrast

On white

18.15
#210D2B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.16
#210D2B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #210D2B
18.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##210D2B#FFFFFF#000000##FFFFFF
##210D2B1.0018.151.1618.15
#FFFFFF18.151.0021.001.00
#0000001.1621.001.0021.00
##FFFFFF18.151.0021.001.00

Color blindness preview

Protanopia (red-blind)
#05152C
Deuteranopia (green-blind)
#0C162A
Tritanopia (blue-blind)
#20121A
Achromatopsia (no color)
#161616

Design tokens & code

CSS
--color: #210d2b;
/* rgb */ color: rgb(33, 13, 43);
/* oklch */ color: oklch(20.6% 0.062 313.0);
Tailwind
colors: {
  custom: {
    50: '#5d4c64',
    500: '#210d2b',
    950: '#000000',
  },
}
SCSS
$custom: #210d2b;
$custom-light: #5d4c64;
$custom-dark: #000000;
JSON
{
  "hex": "#210d2b",
  "rgb": {
    "r": 33,
    "g": 13,
    "b": 43
  },
  "hsl": {
    "h": 280,
    "s": 53.571,
    "l": 10.98
  },
  "oklch": {
    "l": 0.2061,
    "c": 0.0617,
    "h": 313
  },
  "luminance": 0.00786
}

Semantic roles & 50–950 ramp

primary
#210D2B
secondary
#41662E
accent
#DD4B7C
background
#F5F4F6
surface
#E9E7EB
border
#C5C3C6
text
#040105
muted
#79777A

Preview Lab

Preview with #210D2B

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

Preview Lab → · Contrast checker → · Palette generator →

#210D2B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva