#216EB0#216EB0

#216EB0 is a mid, vivid cyan. Relative luminance 0.146; OKLCH L 52.6% C 0.127 H 249.0°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#216EB0
RGB	rgb(33, 110, 176)
HSL	hsl(208, 68%, 41%)
HSV	hsv(208, 81%, 69%)
CMYK	cmyk(81.3%, 37.5%, 0%, 31%)
CIE-LAB	lab(45.09, 0.96, -41.57)
CIE-LCH	lch(45.09, 41.58, 271.32°)
OKLab	oklab(52.59% -0.0454 -0.1185)
OKLCH	oklch(52.59% 0.127 249)
XYZ	xyz(14.0366, 14.6081, 43.1457)
Luminance	0.1461 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#216EB0 #B06321

analogous

#21B0AA #216EB0 #2127B0

triadic

#216EB0 #B0216E #6EB021

tetradic

#216EB0 #AA21B0 #B06321 #27B021

square

#216EB0 #AA21B0 #B06321 #27B021

split-complementary

#216EB0 #B02127 #B0AA21

monochromatic

#0E2E49 #174E7C #216EB0 #358DD9 #69AAE3

Accessibility & contrast

On white

5.35

#216EB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#216EB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #216EB0

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##216EB0	#FFFFFF	#000000	##FFFFFF
##216EB0	1.00	5.35	3.92	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F72B3

Deuteranopia (green-blind)

#3965AF

Tritanopia (blue-blind)

#007E86

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #216eb0;
/* rgb */ color: rgb(33, 110, 176);
/* oklch */ color: oklch(52.6% 0.127 249.0);

Tailwind

colors: {
  custom: {
    50: '#7497c8',
    500: '#216eb0',
    950: '#000000',
  },
}

SCSS

$custom: #216eb0;
$custom-light: #7497c8;
$custom-dark: #000000;

JSON

{
  "hex": "#216eb0",
  "rgb": {
    "r": 33,
    "g": 110,
    "b": 176
  },
  "hsl": {
    "h": 207.692,
    "s": 68.421,
    "l": 40.98
  },
  "oklch": {
    "l": 0.52594,
    "c": 0.12695,
    "h": 249
  },
  "luminance": 0.1461
}

Semantic roles & 50–950 ramp

primary

#216EB0

secondary

#C89364

accent

#8D3DEB

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #216EB0

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

Preview Lab → · Contrast checker → · Palette generator →