#216D9E#216D9E

#216D9E is a mid, moderate cyan. Relative luminance 0.137; OKLCH L 51.3% C 0.106 H 242.0°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#216D9E
RGB	rgb(33, 109, 158)
HSL	hsl(204, 65%, 37%)
HSV	hsv(204, 79%, 62%)
CMYK	cmyk(79.1%, 31%, 0%, 38%)
CIE-LAB	lab(43.84, -5.27, -32.97)
CIE-LCH	lch(43.84, 33.39, 260.93°)
OKLab	oklab(51.3% -0.0498 -0.0934)
OKLCH	oklch(51.3% 0.106 242)
XYZ	xyz(12.2650, 13.7278, 34.3444)
Luminance	0.1373 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#216D9E #9E5221

analogous

#219E91 #216D9E #212F9E

triadic

#216D9E #9E216D #6D9E21

tetradic

#216D9E #91219E #9E5221 #2F9E21

square

#216D9E #91219E #9E5221 #2F9E21

split-complementary

#216D9E #9E212F #9E9121

monochromatic

#0C2739 #164A6B #216D9E #2C90D1 #5CABDD

Accessibility & contrast

On white

5.61

#216D9E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#216D9E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #216D9E

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##216D9E	#FFFFFF	#000000	##FFFFFF
##216D9E	1.00	5.61	3.75	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#566EA0

Deuteranopia (green-blind)

#45629D

Tritanopia (blue-blind)

#00797E

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #216d9e;
/* rgb */ color: rgb(33, 109, 158);
/* oklch */ color: oklch(51.3% 0.106 242.0);

Tailwind

colors: {
  custom: {
    50: '#7096bb',
    500: '#216d9e',
    950: '#000000',
  },
}

SCSS

$custom: #216d9e;
$custom-light: #7096bb;
$custom-dark: #000000;

JSON

{
  "hex": "#216d9e",
  "rgb": {
    "r": 33,
    "g": 109,
    "b": 158
  },
  "hsl": {
    "h": 203.52,
    "s": 65.445,
    "l": 37.451
  },
  "oklch": {
    "l": 0.51298,
    "c": 0.10587,
    "h": 242
  },
  "luminance": 0.13729
}

Semantic roles & 50–950 ramp

primary

#216D9E

secondary

#C18259

accent

#823FE8

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090D12

muted

#7B7E81

Preview Lab

Preview with #216D9E

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

Preview Lab → · Contrast checker → · Palette generator →