#216C9E#216C9E

#216C9E is a mid, moderate cyan. Relative luminance 0.135; OKLCH L 51.1% C 0.107 H 242.8°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX#216C9E
RGBrgb(33, 108, 158)
HSLhsl(204, 65%, 37%)
HSVhsv(204, 79%, 62%)
CMYKcmyk(79.1%, 31.6%, 0%, 38%)
CIE-LABlab(43.53, -4.66, -33.46)
CIE-LCHlch(43.53, 33.78, 262.07°)
OKLaboklab(51.05% -0.0488 -0.0949)
OKLCHoklch(51.05% 0.107 242.8)
XYZxyz(12.1589, 13.5156, 34.3091)
Luminance0.1352 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#216C9E #9E5321
analogous
#219E92 #216C9E #212E9E
triadic
#216C9E #9E216C #6C9E21
tetradic
#216C9E #92219E #9E5321 #2E9E21
square
#216C9E #92219E #9E5321 #2E9E21
split-complementary
#216C9E #9E212E #9E9221
monochromatic
#0C2739 #16496B #216C9E #2C8FD1 #5CAADD

Accessibility & contrast

On white

5.67
#216C9E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.70
#216C9E on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #216C9E
5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##216C9E#FFFFFF#000000##FFFFFF
##216C9E1.005.673.705.67
#FFFFFF5.671.0021.001.00
#0000003.7021.001.0021.00
##FFFFFF5.671.0021.001.00

Color blindness preview

Protanopia (red-blind)
#556DA0
Deuteranopia (green-blind)
#43629D
Tritanopia (blue-blind)
#00787E
Achromatopsia (no color)
#676767

Design tokens & code

CSS
--color: #216c9e;
/* rgb */ color: rgb(33, 108, 158);
/* oklch */ color: oklch(51.1% 0.107 242.8);
Tailwind
colors: {
  custom: {
    50: '#7095bb',
    500: '#216c9e',
    950: '#000000',
  },
}
SCSS
$custom: #216c9e;
$custom-light: #7095bb;
$custom-dark: #000000;
JSON
{
  "hex": "#216c9e",
  "rgb": {
    "r": 33,
    "g": 108,
    "b": 158
  },
  "hsl": {
    "h": 204,
    "s": 65.445,
    "l": 37.451
  },
  "oklch": {
    "l": 0.51052,
    "c": 0.10669,
    "h": 242.8
  },
  "luminance": 0.13517
}

Semantic roles & 50–950 ramp

primary
#216C9E
secondary
#C18359
accent
#833FE8
background
#F7F9FB
surface
#EDF1F6
border
#C8CBD0
text
#090D12
muted
#7B7E81

Preview Lab

Preview with #216C9E

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

Preview Lab → · Contrast checker → · Palette generator →

#216C9E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva