#21669B#21669B

#21669B is a mid, moderate cyan. Relative luminance 0.122; OKLCH L 49.4% C 0.108 H 246.0°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX#21669B
RGBrgb(33, 102, 155)
HSLhsl(206, 65%, 37%)
HSVhsv(206, 79%, 61%)
CMYKcmyk(78.7%, 34.2%, 0%, 39.2%)
CIE-LABlab(41.52, -2.12, -34.85)
CIE-LCHlch(41.52, 34.91, 266.52°)
OKLaboklab(49.41% -0.044 -0.099)
OKLCHoklch(49.41% 0.108 246)
XYZxyz(11.2927, 12.1913, 32.7620)
Luminance0.1219 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21669B #9B5621
analogous
#219B93 #21669B #21299B
triadic
#21669B #9B2166 #669B21
tetradic
#21669B #93219B #9B5621 #299B21
square
#21669B #93219B #9B5621 #299B21
split-complementary
#21669B #9B2129 #9B9321
monochromatic
#0C2436 #164569 #21669B #2C87CD #5AA4DC

Accessibility & contrast

On white

6.11
#21669B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.44
#21669B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21669B
6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21669B#FFFFFF#000000##FFFFFF
##21669B1.006.113.446.11
#FFFFFF6.111.0021.001.00
#0000003.4421.001.0021.00
##FFFFFF6.111.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4D689D
Deuteranopia (green-blind)
#3C5D9A
Tritanopia (blue-blind)
#007379
Achromatopsia (no color)
#626262

Design tokens & code

CSS
--color: #21669b;
/* rgb */ color: rgb(33, 102, 155);
/* oklch */ color: oklch(49.4% 0.108 246.0);
Tailwind
colors: {
  custom: {
    50: '#6f91b9',
    500: '#21669b',
    950: '#000000',
  },
}
SCSS
$custom: #21669b;
$custom-light: #6f91b9;
$custom-dark: #000000;
JSON
{
  "hex": "#21669b",
  "rgb": {
    "r": 33,
    "g": 102,
    "b": 155
  },
  "hsl": {
    "h": 206.066,
    "s": 64.894,
    "l": 36.863
  },
  "oklch": {
    "l": 0.49414,
    "c": 0.10836,
    "h": 246
  },
  "luminance": 0.12193
}

Semantic roles & 50–950 ramp

primary
#21669B
secondary
#C08558
accent
#8940E8
background
#F7F8FB
surface
#EDF0F6
border
#C8CBD0
text
#080C11
muted
#7B7D80

Preview Lab

Preview with #21669B

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

Preview Lab → · Contrast checker → · Palette generator →

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