#216C9D#216C9D

#216C9D is a mid, moderate cyan. Relative luminance 0.135; OKLCH L 51.0% C 0.106 H 242.2°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#216C9D
RGB	rgb(33, 108, 157)
HSL	hsl(204, 65%, 37%)
HSV	hsv(204, 79%, 62%)
CMYK	cmyk(79%, 31.2%, 0%, 38.4%)
CIE-LAB	lab(43.48, -5.04, -32.95)
CIE-LCH	lch(43.48, 33.33, 261.31°)
OKLab	oklab(51% -0.0491 -0.0934)
OKLCH	oklch(51% 0.106 242.2)
XYZ	xyz(12.0732, 13.4813, 33.8576)
Luminance	0.1348 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#216C9D #9D5221

analogous

#219D90 #216C9D #212E9D

triadic

#216C9D #9D216C #6C9D21

tetradic

#216C9D #90219D #9D5221 #2E9D21

square

#216C9D #90219D #9D5221 #2E9D21

split-complementary

#216C9D #9D212E #9D9021

monochromatic

#0C2638 #16496A #216C9D #2C8FD0 #5CAADD

Accessibility & contrast

On white

5.68

#216C9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#216C9D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #216C9D

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##216C9D	#FFFFFF	#000000	##FFFFFF
##216C9D	1.00	5.68	3.70	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#556D9F

Deuteranopia (green-blind)

#44629C

Tritanopia (blue-blind)

#00787D

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #216c9d;
/* rgb */ color: rgb(33, 108, 157);
/* oklch */ color: oklch(51.0% 0.106 242.2);

Tailwind

colors: {
  custom: {
    50: '#7095ba',
    500: '#216c9d',
    950: '#000000',
  },
}

SCSS

$custom: #216c9d;
$custom-light: #7095ba;
$custom-dark: #000000;

JSON

{
  "hex": "#216c9d",
  "rgb": {
    "r": 33,
    "g": 108,
    "b": 157
  },
  "hsl": {
    "h": 203.71,
    "s": 65.263,
    "l": 37.255
  },
  "oklch": {
    "l": 0.50996,
    "c": 0.10552,
    "h": 242.2
  },
  "luminance": 0.13483
}

Semantic roles & 50–950 ramp

primary

#216C9D

secondary

#C18259

accent

#8240E8

background

#F7F9FB

surface

#EDF1F6

border

#C8CBD0

text

#090D11

muted

#7B7E80

Preview Lab

Preview with #216C9D

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

Preview Lab → · Contrast checker → · Palette generator →