#216D9F#216D9F

#216D9F is a mid, moderate cyan. Relative luminance 0.138; OKLCH L 51.4% C 0.107 H 242.5°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#216D9F
RGB	rgb(33, 109, 159)
HSL	hsl(204, 66%, 38%)
HSV	hsv(204, 79%, 62%)
CMYK	cmyk(79.2%, 31.4%, 0%, 37.6%)
CIE-LAB	lab(43.89, -4.89, -33.48)
CIE-LCH	lch(43.89, 33.84, 261.69°)
OKLab	oklab(51.35% -0.0495 -0.0949)
OKLCH	oklch(51.35% 0.107 242.5)
XYZ	xyz(12.3514, 13.7623, 34.7996)
Luminance	0.1376 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#216D9F #9F5321

analogous

#219F92 #216D9F #212E9F

triadic

#216D9F #9F216D #6D9F21

tetradic

#216D9F #92219F #9F5321 #2E9F21

square

#216D9F #92219F #9F5321 #2E9F21

split-complementary

#216D9F #9F212E #9F9221

monochromatic

#0C283A #164A6C #216D9F #2C90D2 #5DAADD

Accessibility & contrast

On white

5.60

#216D9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#216D9F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #216D9F

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##216D9F	#FFFFFF	#000000	##FFFFFF
##216D9F	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#566EA1

Deuteranopia (green-blind)

#44639E

Tritanopia (blue-blind)

#00797F

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #216d9f;
/* rgb */ color: rgb(33, 109, 159);
/* oklch */ color: oklch(51.4% 0.107 242.5);

Tailwind

colors: {
  custom: {
    50: '#7096bb',
    500: '#216d9f',
    950: '#000000',
  },
}

SCSS

$custom: #216d9f;
$custom-light: #7096bb;
$custom-dark: #000000;

JSON

{
  "hex": "#216d9f",
  "rgb": {
    "r": 33,
    "g": 109,
    "b": 159
  },
  "hsl": {
    "h": 203.81,
    "s": 65.625,
    "l": 37.647
  },
  "oklch": {
    "l": 0.51354,
    "c": 0.10704,
    "h": 242.5
  },
  "luminance": 0.13764
}

Semantic roles & 50–950 ramp

primary

#216D9F

secondary

#C2835A

accent

#823FE9

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090D12

muted

#7B7E81

Preview Lab

Preview with #216D9F

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

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