#216B9E#216B9E

#216B9E is a mid, moderate cyan. Relative luminance 0.133; OKLCH L 50.8% C 0.108 H 243.6°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#216B9E
RGB	rgb(33, 107, 158)
HSL	hsl(204, 65%, 37%)
HSV	hsv(204, 79%, 62%)
CMYK	cmyk(79.1%, 32.3%, 0%, 38%)
CIE-LAB	lab(43.22, -4.05, -33.95)
CIE-LCH	lch(43.22, 34.19, 263.19°)
OKLab	oklab(50.81% -0.0479 -0.0963)
OKLCH	oklch(50.81% 0.108 243.6)
XYZ	xyz(12.0540, 13.3059, 34.2741)
Luminance	0.1331 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#216B9E #9E5421

analogous

#219E93 #216B9E #212D9E

triadic

#216B9E #9E216B #6B9E21

tetradic

#216B9E #93219E #9E5421 #2D9E21

square

#216B9E #93219E #9E5421 #2D9E21

split-complementary

#216B9E #9E212D #9E9321

monochromatic

#0C2639 #16496B #216B9E #2C8DD1 #5CA9DD

Accessibility & contrast

On white

5.74

#216B9E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#216B9E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #216B9E

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##216B9E	#FFFFFF	#000000	##FFFFFF
##216B9E	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#536CA0

Deuteranopia (green-blind)

#42619D

Tritanopia (blue-blind)

#00777D

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #216b9e;
/* rgb */ color: rgb(33, 107, 158);
/* oklch */ color: oklch(50.8% 0.108 243.6);

Tailwind

colors: {
  custom: {
    50: '#7095bb',
    500: '#216b9e',
    950: '#000000',
  },
}

SCSS

$custom: #216b9e;
$custom-light: #7095bb;
$custom-dark: #000000;

JSON

{
  "hex": "#216b9e",
  "rgb": {
    "r": 33,
    "g": 107,
    "b": 158
  },
  "hsl": {
    "h": 204.48,
    "s": 65.445,
    "l": 37.451
  },
  "oklch": {
    "l": 0.50808,
    "c": 0.10755,
    "h": 243.6
  },
  "luminance": 0.13307
}

Semantic roles & 50–950 ramp

primary

#216B9E

secondary

#C18459

accent

#843FE8

background

#F7F9FB

surface

#EDF1F6

border

#C8CBD0

text

#090D12

muted

#7B7E81

Preview Lab

Preview with #216B9E

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

Preview Lab → · Contrast checker → · Palette generator →