#21609B#21609B

#21609B is a mid, moderate cyan. Relative luminance 0.111; OKLCH L 48.0% C 0.114 H 250.4°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX#21609B
RGBrgb(33, 96, 155)
HSLhsl(209, 65%, 37%)
HSVhsv(209, 79%, 61%)
CMYKcmyk(78.7%, 38.1%, 0%, 39.2%)
CIE-LABlab(39.67, 1.64, -37.77)
CIE-LCHlch(39.67, 37.81, 272.49°)
OKLaboklab(47.96% -0.0384 -0.1077)
OKLCHoklch(47.96% 0.114 250.4)
XYZxyz(10.7242, 11.0544, 32.5725)
Luminance0.1106 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21609B #9B5C21
analogous
#219B99 #21609B #21239B
triadic
#21609B #9B2160 #609B21
tetradic
#21609B #99219B #9B5C21 #239B21
square
#21609B #99219B #9B5C21 #239B21
split-complementary
#21609B #9B2123 #9B9921
monochromatic
#0C2136 #164169 #21609B #2C7FCD #5A9DDC

Accessibility & contrast

On white

6.54
#21609B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.21
#21609B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21609B
6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21609B#FFFFFF#000000##FFFFFF
##21609B1.006.543.216.54
#FFFFFF6.541.0021.001.00
#0000003.2121.001.0021.00
##FFFFFF6.541.0021.001.00

Color blindness preview

Protanopia (red-blind)
#44649D
Deuteranopia (green-blind)
#32589A
Tritanopia (blue-blind)
#006E76
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #21609b;
/* rgb */ color: rgb(33, 96, 155);
/* oklch */ color: oklch(48.0% 0.114 250.4);
Tailwind
colors: {
  custom: {
    50: '#6f8cb9',
    500: '#21609b',
    950: '#000000',
  },
}
SCSS
$custom: #21609b;
$custom-light: #6f8cb9;
$custom-dark: #000000;
JSON
{
  "hex": "#21609b",
  "rgb": {
    "r": 33,
    "g": 96,
    "b": 155
  },
  "hsl": {
    "h": 209.016,
    "s": 64.894,
    "l": 36.863
  },
  "oklch": {
    "l": 0.47962,
    "c": 0.11432,
    "h": 250.4
  },
  "luminance": 0.11056
}

Semantic roles & 50–950 ramp

primary
#21609B
secondary
#C08A58
accent
#9140E8
background
#F7F8FB
surface
#EDF0F6
border
#C8CBD0
text
#080C11
muted
#7B7D80

Preview Lab

Preview with #21609B

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

Preview Lab → · Contrast checker → · Palette generator →

#21609B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva