#216C9F#216C9F

#216C9F is a mid, moderate cyan. Relative luminance 0.136; OKLCH L 51.1% C 0.108 H 243.3°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#216C9F
RGB	rgb(33, 108, 159)
HSL	hsl(204, 66%, 38%)
HSV	hsv(204, 79%, 62%)
CMYK	cmyk(79.2%, 32.1%, 0%, 37.6%)
CIE-LAB	lab(43.58, -4.28, -33.97)
CIE-LCH	lch(43.58, 34.24, 262.81°)
OKLab	oklab(51.11% -0.0485 -0.0964)
OKLCH	oklch(51.11% 0.108 243.3)
XYZ	xyz(12.2453, 13.5502, 34.7642)
Luminance	0.1355 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#216C9F #9F5421

analogous

#219F93 #216C9F #212D9F

triadic

#216C9F #9F216C #6C9F21

tetradic

#216C9F #93219F #9F5421 #2D9F21

square

#216C9F #93219F #9F5421 #2D9F21

split-complementary

#216C9F #9F212D #9F9321

monochromatic

#0C273A #164A6C #216C9F #2C8ED2 #5DA9DD

Accessibility & contrast

On white

5.66

#216C9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#216C9F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #216C9F

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##216C9F	#FFFFFF	#000000	##FFFFFF
##216C9F	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#546DA1

Deuteranopia (green-blind)

#43629E

Tritanopia (blue-blind)

#00797E

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #216c9f;
/* rgb */ color: rgb(33, 108, 159);
/* oklch */ color: oklch(51.1% 0.108 243.3);

Tailwind

colors: {
  custom: {
    50: '#7095bb',
    500: '#216c9f',
    950: '#000000',
  },
}

SCSS

$custom: #216c9f;
$custom-light: #7095bb;
$custom-dark: #000000;

JSON

{
  "hex": "#216c9f",
  "rgb": {
    "r": 33,
    "g": 108,
    "b": 159
  },
  "hsl": {
    "h": 204.286,
    "s": 65.625,
    "l": 37.647
  },
  "oklch": {
    "l": 0.51109,
    "c": 0.10789,
    "h": 243.3
  },
  "luminance": 0.13552
}

Semantic roles & 50–950 ramp

primary

#216C9F

secondary

#C2845A

accent

#843FE9

background

#F7F9FB

surface

#EDF1F6

border

#C8CBD0

text

#090D12

muted

#7B7E81

Preview Lab

Preview with #216C9F

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

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