#216FB3#216FB3

#216FB3 is a mid, vivid cyan. Relative luminance 0.149; OKLCH L 53.0% C 0.130 H 249.5°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#216FB3
RGB	rgb(33, 111, 179)
HSL	hsl(208, 69%, 42%)
HSV	hsv(208, 82%, 70%)
CMYK	cmyk(81.6%, 38%, 0%, 29.8%)
CIE-LAB	lab(45.56, 1.49, -42.58)
CIE-LCH	lch(45.56, 42.60, 272.00°)
OKLab	oklab(53.01% -0.0455 -0.1215)
OKLCH	oklch(53.01% 0.13 249.5)
XYZ	xyz(14.4452, 14.9451, 44.7624)
Luminance	0.1495 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#216FB3 #B36521

analogous

#21B3AE #216FB3 #2126B3

triadic

#216FB3 #B3216F #6FB321

tetradic

#216FB3 #AE21B3 #B36521 #26B321

square

#216FB3 #AE21B3 #B36521 #26B321

split-complementary

#216FB3 #B32126 #B3AE21

monochromatic

#0E2F4C #174F7F #216FB3 #378EDA #6BABE4

Accessibility & contrast

On white

5.26

#216FB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#216FB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #216FB3

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##216FB3	#FFFFFF	#000000	##FFFFFF
##216FB3	1.00	5.26	3.99	5.26
#FFFFFF	5.26	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F73B6

Deuteranopia (green-blind)

#3866B2

Tritanopia (blue-blind)

#007F88

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #216fb3;
/* rgb */ color: rgb(33, 111, 179);
/* oklch */ color: oklch(53.0% 0.130 249.5);

Tailwind

colors: {
  custom: {
    50: '#7497ca',
    500: '#216fb3',
    950: '#000000',
  },
}

SCSS

$custom: #216fb3;
$custom-light: #7497ca;
$custom-dark: #000000;

JSON

{
  "hex": "#216fb3",
  "rgb": {
    "r": 33,
    "g": 111,
    "b": 179
  },
  "hsl": {
    "h": 207.945,
    "s": 68.868,
    "l": 41.569
  },
  "oklch": {
    "l": 0.53014,
    "c": 0.12973,
    "h": 249.5
  },
  "luminance": 0.14947
}

Semantic roles & 50–950 ramp

primary

#216FB3

secondary

#CA9466

accent

#8E3CEC

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #216FB3

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

Preview Lab → · Contrast checker → · Palette generator →