#21869E#21869E

#21869E is a mid, moderate cyan. Relative luminance 0.198; OKLCH L 57.5% C 0.094 H 218.1°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX#21869E
RGBrgb(33, 134, 158)
HSLhsl(192, 65%, 37%)
HSVhsv(192, 79%, 62%)
CMYKcmyk(79.1%, 15.2%, 0%, 38%)
CIE-LABlab(51.66, -19.50, -20.83)
CIE-LCHlch(51.66, 28.53, 226.88°)
OKLaboklab(57.54% -0.0744 -0.0582)
OKLCHoklch(57.54% 0.094 218.1)
XYZxyz(15.3212, 19.8403, 35.3632)
Luminance0.1984 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21869E #9E3921
analogous
#219E78 #21869E #21489E
triadic
#21869E #9E2186 #869E21
tetradic
#21869E #78219E #9E3921 #489E21
square
#21869E #78219E #9E3921 #489E21
split-complementary
#21869E #9E2148 #9E7821
monochromatic
#0C3039 #165B6B #21869E #2CB1D1 #5CC4DD

Accessibility & contrast

On white

4.23
#21869E on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.97
#21869E on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21869E
4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21869E#FFFFFF#000000##000000
##21869E1.004.234.974.97
#FFFFFF4.231.0021.0021.00
#0000004.9721.001.001.00
##0000004.9721.001.001.00

Color blindness preview

Protanopia (red-blind)
#77829F
Deuteranopia (green-blind)
#66769E
Tritanopia (blue-blind)
#008E8E
Achromatopsia (no color)
#7B7B7B

Design tokens & code

CSS
--color: #21869e;
/* rgb */ color: rgb(33, 134, 158);
/* oklch */ color: oklch(57.5% 0.094 218.1);
Tailwind
colors: {
  custom: {
    50: '#72a9ba',
    500: '#21869e',
    950: '#000000',
  },
}
SCSS
$custom: #21869e;
$custom-light: #72a9ba;
$custom-dark: #000000;
JSON
{
  "hex": "#21869e",
  "rgb": {
    "r": 33,
    "g": 134,
    "b": 158
  },
  "hsl": {
    "h": 191.52,
    "s": 65.445,
    "l": 37.451
  },
  "oklch": {
    "l": 0.57539,
    "c": 0.09445,
    "h": 218.1
  },
  "luminance": 0.19842
}

Semantic roles & 50–950 ramp

primary
#21869E
secondary
#C16D59
accent
#603FE8
background
#F7FAFB
surface
#EDF4F6
border
#C8CED0
text
#091011
muted
#7B7F80

Preview Lab

Preview with #21869E

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

Preview Lab → · Contrast checker → · Palette generator →

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