#216CB0#216CB0

#216CB0 is a mid, vivid cyan. Relative luminance 0.142; OKLCH L 52.1% C 0.129 H 250.2°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#216CB0
RGB	rgb(33, 108, 176)
HSL	hsl(209, 68%, 41%)
HSV	hsv(209, 81%, 69%)
CMYK	cmyk(81.3%, 38.6%, 0%, 31%)
CIE-LAB	lab(44.49, 2.20, -42.52)
CIE-LCH	lch(44.49, 42.58, 272.96°)
OKLab	oklab(52.12% -0.0437 -0.1214)
OKLCH	oklch(52.12% 0.129 250.2)
XYZ	xyz(13.8232, 14.1814, 43.0746)
Luminance	0.1418 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#216CB0 #B06521

analogous

#21B0AC #216CB0 #2125B0

triadic

#216CB0 #B0216C #6CB021

tetradic

#216CB0 #AC21B0 #B06521 #25B021

square

#216CB0 #AC21B0 #B06521 #25B021

split-complementary

#216CB0 #B02125 #B0AC21

monochromatic

#0E2D49 #174C7C #216CB0 #358BD9 #69A9E3

Accessibility & contrast

On white

5.47

#216CB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#216CB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #216CB0

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##216CB0	#FFFFFF	#000000	##FFFFFF
##216CB0	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B70B3

Deuteranopia (green-blind)

#3563AF

Tritanopia (blue-blind)

#007C85

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #216cb0;
/* rgb */ color: rgb(33, 108, 176);
/* oklch */ color: oklch(52.1% 0.129 250.2);

Tailwind

colors: {
  custom: {
    50: '#7495c8',
    500: '#216cb0',
    950: '#000000',
  },
}

SCSS

$custom: #216cb0;
$custom-light: #7495c8;
$custom-dark: #000000;

JSON

{
  "hex": "#216cb0",
  "rgb": {
    "r": 33,
    "g": 108,
    "b": 176
  },
  "hsl": {
    "h": 208.531,
    "s": 68.421,
    "l": 40.98
  },
  "oklch": {
    "l": 0.52123,
    "c": 0.129,
    "h": 250.2
  },
  "luminance": 0.14183
}

Semantic roles & 50–950 ramp

primary

#216CB0

secondary

#C89464

accent

#903DEB

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #216CB0

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

Preview Lab → · Contrast checker → · Palette generator →