#216C9B#216C9B

#216C9B is a mid, moderate cyan. Relative luminance 0.134; OKLCH L 50.9% C 0.103 H 241.2°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#216C9B
RGB	rgb(33, 108, 155)
HSL	hsl(203, 65%, 37%)
HSV	hsv(203, 79%, 61%)
CMYK	cmyk(78.7%, 30.3%, 0%, 39.2%)
CIE-LAB	lab(43.38, -5.79, -31.92)
CIE-LCH	lch(43.38, 32.44, 259.72°)
OKLab	oklab(50.88% -0.0498 -0.0904)
OKLCH	oklch(50.88% 0.103 241.2)
XYZ	xyz(11.9038, 13.4136, 32.9657)
Luminance	0.1341 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#216C9B #9B5021

analogous

#219B8D #216C9B #212F9B

triadic

#216C9B #9B216C #6C9B21

tetradic

#216C9B #8D219B #9B5021 #2F9B21

square

#216C9B #8D219B #9B5021 #2F9B21

split-complementary

#216C9B #9B212F #9B8D21

monochromatic

#0C2636 #164969 #216C9B #2C8FCD #5AAADC

Accessibility & contrast

On white

5.70

#216C9B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#216C9B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #216C9B

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##216C9B	#FFFFFF	#000000	##FFFFFF
##216C9B	1.00	5.70	3.68	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#566D9D

Deuteranopia (green-blind)

#45619A

Tritanopia (blue-blind)

#00787D

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #216c9b;
/* rgb */ color: rgb(33, 108, 155);
/* oklch */ color: oklch(50.9% 0.103 241.2);

Tailwind

colors: {
  custom: {
    50: '#6f95b8',
    500: '#216c9b',
    950: '#000000',
  },
}

SCSS

$custom: #216c9b;
$custom-light: #6f95b8;
$custom-dark: #000000;

JSON

{
  "hex": "#216c9b",
  "rgb": {
    "r": 33,
    "g": 108,
    "b": 155
  },
  "hsl": {
    "h": 203.115,
    "s": 64.894,
    "l": 36.863
  },
  "oklch": {
    "l": 0.50884,
    "c": 0.1032,
    "h": 241.2
  },
  "luminance": 0.13415
}

Semantic roles & 50–950 ramp

primary

#216C9B

secondary

#C08058

accent

#8140E8

background

#F7F9FB

surface

#EDF1F6

border

#C8CBD0

text

#090D11

muted

#7B7E80

Preview Lab

Preview with #216C9B

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

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