#216E90#216E90

#216E90 is a mid, moderate cyan. Relative luminance 0.135; OKLCH L 50.8% C 0.090 H 231.9°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX#216E90
RGBrgb(33, 110, 144)
HSLhsl(198, 63%, 35%)
HSVhsv(198, 77%, 56%)
CMYKcmyk(77.1%, 23.6%, 0%, 43.5%)
CIE-LABlab(43.49, -11.03, -25.21)
CIE-LCHlch(43.49, 27.51, 246.36°)
OKLaboklab(50.8% -0.0556 -0.0709)
OKLCHoklch(50.8% 0.09 231.9)
XYZxyz(11.2351, 13.4875, 28.3914)
Luminance0.1349 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#216E90 #904321
analogous
#21907A #216E90 #213790
triadic
#216E90 #90216E #6E9021
tetradic
#216E90 #7A2190 #904321 #379021
square
#216E90 #7A2190 #904321 #379021
split-complementary
#216E90 #902137 #907A21
monochromatic
#0A222C #16485E #216E90 #2C94C2 #54AFD8

Accessibility & contrast

On white

5.68
#216E90 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.70
#216E90 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #216E90
5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##216E90#FFFFFF#000000##FFFFFF
##216E901.005.683.705.68
#FFFFFF5.681.0021.001.00
#0000003.7021.001.0021.00
##FFFFFF5.681.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5D6D92
Deuteranopia (green-blind)
#4E628F
Tritanopia (blue-blind)
#007779
Achromatopsia (no color)
#676767

Design tokens & code

CSS
--color: #216e90;
/* rgb */ color: rgb(33, 110, 144);
/* oklch */ color: oklch(50.8% 0.090 231.9);
Tailwind
colors: {
  custom: {
    50: '#6e97b0',
    500: '#216e90',
    950: '#000000',
  },
}
SCSS
$custom: #216e90;
$custom-light: #6e97b0;
$custom-dark: #000000;
JSON
{
  "hex": "#216e90",
  "rgb": {
    "r": 33,
    "g": 110,
    "b": 144
  },
  "hsl": {
    "h": 198.378,
    "s": 62.712,
    "l": 34.706
  },
  "oklch": {
    "l": 0.508,
    "c": 0.09015,
    "h": 231.9
  },
  "luminance": 0.13489
}

Semantic roles & 50–950 ramp

primary
#216E90
secondary
#BB7251
accent
#7442E6
background
#F7F9FA
surface
#EDF2F5
border
#C8CCCF
text
#080D10
muted
#7B7E7F

Preview Lab

Preview with #216E90

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

Preview Lab → · Contrast checker → · Palette generator →

#216E90 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva