#216C8B#216C8B

#216C8B is a mid, moderate cyan. Relative luminance 0.129; OKLCH L 50.0% C 0.086 H 230.0°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX#216C8B
RGBrgb(33, 108, 139)
HSLhsl(198, 62%, 34%)
HSVhsv(198, 76%, 55%)
CMYKcmyk(76.3%, 22.3%, 0%, 45.5%)
CIE-LABlab(42.63, -11.68, -23.55)
CIE-LCHlch(42.63, 26.29, 243.63°)
OKLaboklab(50.04% -0.0555 -0.0662)
OKLCHoklch(50.04% 0.086 230)
XYZxyz(10.6481, 12.9113, 26.3520)
Luminance0.1291 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#216C8B #8B4021
analogous
#218B75 #216C8B #21378B
triadic
#216C8B #8B216C #6C8B21
tetradic
#216C8B #75218B #8B4021 #378B21
square
#216C8B #75218B #8B4021 #378B21
split-complementary
#216C8B #8B2137 #8B7521
monochromatic
#0A1F28 #15465A #216C8B #2D92BC #51AFD6

Accessibility & contrast

On white

5.86
#216C8B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.58
#216C8B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #216C8B
5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##216C8B#FFFFFF#000000##FFFFFF
##216C8B1.005.863.585.86
#FFFFFF5.861.0021.001.00
#0000003.5821.001.0021.00
##FFFFFF5.861.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5C6A8D
Deuteranopia (green-blind)
#4E608B
Tritanopia (blue-blind)
#007576
Achromatopsia (no color)
#656565

Design tokens & code

CSS
--color: #216c8b;
/* rgb */ color: rgb(33, 108, 139);
/* oklch */ color: oklch(50.0% 0.086 230.0);
Tailwind
colors: {
  custom: {
    50: '#6d96ad',
    500: '#216c8b',
    950: '#000000',
  },
}
SCSS
$custom: #216c8b;
$custom-light: #6d96ad;
$custom-dark: #000000;
JSON
{
  "hex": "#216c8b",
  "rgb": {
    "r": 33,
    "g": 108,
    "b": 139
  },
  "hsl": {
    "h": 197.547,
    "s": 61.628,
    "l": 33.725
  },
  "oklch": {
    "l": 0.5004,
    "c": 0.08636,
    "h": 230
  },
  "luminance": 0.12913
}

Semantic roles & 50–950 ramp

primary
#216C8B
secondary
#B96E4F
accent
#7243E5
background
#F7F9FA
surface
#EDF1F4
border
#C8CBCE
text
#080D10
muted
#7B7E7F

Preview Lab

Preview with #216C8B

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

Preview Lab → · Contrast checker → · Palette generator →

#216C8B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva