#21869C#21869C

#21869C is a mid, moderate cyan. Relative luminance 0.198; OKLCH L 57.5% C 0.093 H 216.3°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX#21869C
RGBrgb(33, 134, 156)
HSLhsl(191, 65%, 37%)
HSVhsv(191, 79%, 61%)
CMYKcmyk(78.8%, 14.1%, 0%, 38.8%)
CIE-LABlab(51.58, -20.18, -19.79)
CIE-LCHlch(51.58, 28.26, 224.43°)
OKLaboklab(57.45% -0.0752 -0.0553)
OKLCHoklch(57.45% 0.093 216.3)
XYZxyz(15.1505, 19.7720, 34.4639)
Luminance0.1977 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21869C #9C3721
analogous
#219C75 #21869C #21489C
triadic
#21869C #9C2186 #869C21
tetradic
#21869C #75219C #9C3721 #489C21
square
#21869C #75219C #9C3721 #489C21
split-complementary
#21869C #9C2148 #9C7521
monochromatic
#0C2F37 #165B69 #21869C #2CB1CF #5BC5DC

Accessibility & contrast

On white

4.24
#21869C on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.95
#21869C on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21869C
4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21869C#FFFFFF#000000##000000
##21869C1.004.244.954.95
#FFFFFF4.241.0021.0021.00
#0000004.9521.001.001.00
##0000004.9521.001.001.00

Color blindness preview

Protanopia (red-blind)
#77829D
Deuteranopia (green-blind)
#67769C
Tritanopia (blue-blind)
#008E8D
Achromatopsia (no color)
#7B7B7B

Design tokens & code

CSS
--color: #21869c;
/* rgb */ color: rgb(33, 134, 156);
/* oklch */ color: oklch(57.5% 0.093 216.3);
Tailwind
colors: {
  custom: {
    50: '#72a9b9',
    500: '#21869c',
    950: '#000000',
  },
}
SCSS
$custom: #21869c;
$custom-light: #72a9b9;
$custom-dark: #000000;
JSON
{
  "hex": "#21869c",
  "rgb": {
    "r": 33,
    "g": 134,
    "b": 156
  },
  "hsl": {
    "h": 190.732,
    "s": 65.079,
    "l": 37.059
  },
  "oklch": {
    "l": 0.57451,
    "c": 0.09331,
    "h": 216.3
  },
  "luminance": 0.19774
}

Semantic roles & 50–950 ramp

primary
#21869C
secondary
#C16B58
accent
#5E40E8
background
#F7FAFB
surface
#EDF4F6
border
#C8CED0
text
#091011
muted
#7B7F80

Preview Lab

Preview with #21869C

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

Preview Lab → · Contrast checker → · Palette generator →

#21869C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva