#21669C#21669C

#21669C is a mid, moderate cyan. Relative luminance 0.122; OKLCH L 49.5% C 0.110 H 246.5°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX#21669C
RGBrgb(33, 102, 156)
HSLhsl(206, 65%, 37%)
HSVhsv(206, 79%, 61%)
CMYKcmyk(78.8%, 34.6%, 0%, 38.8%)
CIE-LABlab(41.57, -1.74, -35.36)
CIE-LCHlch(41.57, 35.40, 267.19°)
OKLaboklab(49.47% -0.0437 -0.1005)
OKLCHoklch(49.47% 0.11 246.5)
XYZxyz(11.3770, 12.2250, 33.2061)
Luminance0.1223 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21669C #9C5721
analogous
#219C94 #21669C #21299C
triadic
#21669C #9C2166 #669C21
tetradic
#21669C #94219C #9C5721 #299C21
square
#21669C #94219C #9C5721 #299C21
split-complementary
#21669C #9C2129 #9C9421
monochromatic
#0C2437 #164569 #21669C #2C87CF #5BA4DC

Accessibility & contrast

On white

6.10
#21669C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.45
#21669C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21669C
6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21669C#FFFFFF#000000##FFFFFF
##21669C1.006.103.456.10
#FFFFFF6.101.0021.001.00
#0000003.4521.001.0021.00
##FFFFFF6.101.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4D689E
Deuteranopia (green-blind)
#3B5D9B
Tritanopia (blue-blind)
#00737A
Achromatopsia (no color)
#626262

Design tokens & code

CSS
--color: #21669c;
/* rgb */ color: rgb(33, 102, 156);
/* oklch */ color: oklch(49.5% 0.110 246.5);
Tailwind
colors: {
  custom: {
    50: '#6f91b9',
    500: '#21669c',
    950: '#000000',
  },
}
SCSS
$custom: #21669c;
$custom-light: #6f91b9;
$custom-dark: #000000;
JSON
{
  "hex": "#21669c",
  "rgb": {
    "r": 33,
    "g": 102,
    "b": 156
  },
  "hsl": {
    "h": 206.341,
    "s": 65.079,
    "l": 37.059
  },
  "oklch": {
    "l": 0.49473,
    "c": 0.10962,
    "h": 246.5
  },
  "luminance": 0.12226
}

Semantic roles & 50–950 ramp

primary
#21669C
secondary
#C18658
accent
#8A40E8
background
#F7F8FB
surface
#EDF0F6
border
#C8CBD0
text
#090C11
muted
#7B7D80

Preview Lab

Preview with #21669C

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

Preview Lab → · Contrast checker → · Palette generator →

#21669C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva