#210B4A#210B4A

#210B4A is a very dark, moderate violet. Relative luminance 0.011; OKLCH L 23.2% C 0.107 H 291.7°. Best body text is #FFFFFF at 17.34:1 contrast (WCAG AA passes).

Color values

HEX#210B4A
RGBrgb(33, 11, 74)
HSLhsl(261, 74%, 17%)
HSVhsv(261, 85%, 29%)
CMYKcmyk(55.4%, 85.1%, 0%, 71%)
CIE-LABlab(9.46, 27.91, -34.58)
CIE-LCHlch(9.46, 44.44, 308.90°)
OKLaboklab(23.21% 0.0395 -0.0993)
OKLCHoklch(23.21% 0.107 291.7)
XYZxyz(1.9826, 1.0570, 6.5768)
Luminance0.0106 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#210B4A #344A0B
analogous
#0B154A #210B4A #410B4A
triadic
#210B4A #4A210B #0B4A21
tetradic
#210B4A #4A0B15 #344A0B #0B4A41
square
#210B4A #4A0B15 #344A0B #0B4A41
split-complementary
#210B4A #4A410B #154A0B
monochromatic
#0C041B #0C041B #210B4A #39137F #511BB5

Accessibility & contrast

On white

17.34
#210B4A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.21
#210B4A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #210B4A
17.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##210B4A#FFFFFF#000000##FFFFFF
##210B4A1.0017.341.2117.34
#FFFFFF17.341.0021.001.00
#0000001.2121.001.0021.00
##FFFFFF17.341.0021.001.00

Color blindness preview

Protanopia (red-blind)
#001B4C
Deuteranopia (green-blind)
#001949
Tritanopia (blue-blind)
#131D2A
Achromatopsia (no color)
#1A1A1A

Design tokens & code

CSS
--color: #210b4a;
/* rgb */ color: rgb(33, 11, 74);
/* oklch */ color: oklch(23.2% 0.107 291.7);
Tailwind
colors: {
  custom: {
    50: '#624d7d',
    500: '#210b4a',
    950: '#000000',
  },
}
SCSS
$custom: #210b4a;
$custom-light: #624d7d;
$custom-dark: #000000;
JSON
{
  "hex": "#210b4a",
  "rgb": {
    "r": 33,
    "g": 11,
    "b": 74
  },
  "hsl": {
    "h": 260.952,
    "s": 74.118,
    "l": 16.667
  },
  "oklch": {
    "l": 0.23208,
    "c": 0.10686,
    "h": 291.7
  },
  "luminance": 0.01057
}

Semantic roles & 50–950 ramp

primary
#210B4A
secondary
#66862B
accent
#F137B0
background
#F6F4F7
surface
#EBE7EE
border
#C6C3C9
text
#05010A
muted
#7A777C

Preview Lab

Preview with #210B4A

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

Preview Lab → · Contrast checker → · Palette generator →

#210B4A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva