#216DB0#216DB0

#216DB0 is a mid, vivid cyan. Relative luminance 0.144; OKLCH L 52.4% C 0.128 H 249.6°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#216DB0
RGB	rgb(33, 109, 176)
HSL	hsl(208, 68%, 41%)
HSV	hsv(208, 81%, 69%)
CMYK	cmyk(81.3%, 38.1%, 0%, 31%)
CIE-LAB	lab(44.79, 1.58, -42.05)
CIE-LCH	lch(44.79, 42.08, 272.15°)
OKLab	oklab(52.36% -0.0445 -0.12)
OKLCH	oklch(52.36% 0.128 249.6)
XYZ	xyz(13.9293, 14.3935, 43.1100)
Luminance	0.1439 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#216DB0 #B06421

analogous

#21B0AB #216DB0 #2125B0

triadic

#216DB0 #B0216D #6DB021

tetradic

#216DB0 #AB21B0 #B06421 #25B021

square

#216DB0 #AB21B0 #B06421 #25B021

split-complementary

#216DB0 #B02125 #B0AB21

monochromatic

#0E2D49 #174D7C #216DB0 #358CD9 #69AAE3

Accessibility & contrast

On white

5.41

#216DB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#216DB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #216DB0

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##216DB0	#FFFFFF	#000000	##FFFFFF
##216DB0	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D71B3

Deuteranopia (green-blind)

#3764AF

Tritanopia (blue-blind)

#007D86

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #216db0;
/* rgb */ color: rgb(33, 109, 176);
/* oklch */ color: oklch(52.4% 0.128 249.6);

Tailwind

colors: {
  custom: {
    50: '#7496c8',
    500: '#216db0',
    950: '#000000',
  },
}

SCSS

$custom: #216db0;
$custom-light: #7496c8;
$custom-dark: #000000;

JSON

{
  "hex": "#216db0",
  "rgb": {
    "r": 33,
    "g": 109,
    "b": 176
  },
  "hsl": {
    "h": 208.112,
    "s": 68.421,
    "l": 40.98
  },
  "oklch": {
    "l": 0.52359,
    "c": 0.12797,
    "h": 249.6
  },
  "luminance": 0.14395
}

Semantic roles & 50–950 ramp

primary

#216DB0

secondary

#C89364

accent

#8E3DEB

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #216DB0

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

Preview Lab → · Contrast checker → · Palette generator →