#216D9C#216D9C

#216D9C is a mid, moderate cyan. Relative luminance 0.137; OKLCH L 51.2% C 0.104 H 240.9°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX#216D9C
RGBrgb(33, 109, 156)
HSLhsl(203, 65%, 37%)
HSVhsv(203, 79%, 61%)
CMYKcmyk(78.8%, 30.1%, 0%, 38.8%)
CIE-LABlab(43.74, -6.02, -31.94)
CIE-LCHlch(43.74, 32.50, 259.34°)
OKLaboklab(51.19% -0.0504 -0.0904)
OKLCHoklch(51.19% 0.104 240.9)
XYZxyz(12.0942, 13.6595, 33.4452)
Luminance0.1366 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#216D9C #9C5021
analogous
#219C8E #216D9C #21309C
triadic
#216D9C #9C216D #6D9C21
tetradic
#216D9C #8E219C #9C5021 #309C21
square
#216D9C #8E219C #9C5021 #309C21
split-complementary
#216D9C #9C2130 #9C8E21
monochromatic
#0C2637 #164A69 #216D9C #2C90CF #5BABDC

Accessibility & contrast

On white

5.63
#216D9C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.73
#216D9C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #216D9C
5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##216D9C#FFFFFF#000000##FFFFFF
##216D9C1.005.633.735.63
#FFFFFF5.631.0021.001.00
#0000003.7321.001.0021.00
##FFFFFF5.631.0021.001.00

Color blindness preview

Protanopia (red-blind)
#576E9E
Deuteranopia (green-blind)
#46629B
Tritanopia (blue-blind)
#00797D
Achromatopsia (no color)
#676767

Design tokens & code

CSS
--color: #216d9c;
/* rgb */ color: rgb(33, 109, 156);
/* oklch */ color: oklch(51.2% 0.104 240.9);
Tailwind
colors: {
  custom: {
    50: '#7096b9',
    500: '#216d9c',
    950: '#000000',
  },
}
SCSS
$custom: #216d9c;
$custom-light: #7096b9;
$custom-dark: #000000;
JSON
{
  "hex": "#216d9c",
  "rgb": {
    "r": 33,
    "g": 109,
    "b": 156
  },
  "hsl": {
    "h": 202.927,
    "s": 65.079,
    "l": 37.059
  },
  "oklch": {
    "l": 0.51186,
    "c": 0.10356,
    "h": 240.9
  },
  "luminance": 0.13661
}

Semantic roles & 50–950 ramp

primary
#216D9C
secondary
#C18058
accent
#8040E8
background
#F7F9FB
surface
#EDF2F6
border
#C8CCD0
text
#090D11
muted
#7B7E80

Preview Lab

Preview with #216D9C

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

Preview Lab → · Contrast checker → · Palette generator →

#216D9C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva