#216B9C#216B9C

#216B9C is a mid, moderate cyan. Relative luminance 0.132; OKLCH L 50.7% C 0.105 H 242.5°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#216B9C
RGB	rgb(33, 107, 156)
HSL	hsl(204, 65%, 37%)
HSV	hsv(204, 79%, 61%)
CMYK	cmyk(78.8%, 31.4%, 0%, 38.8%)
CIE-LAB	lab(43.12, -4.81, -32.92)
CIE-LCH	lch(43.12, 33.27, 261.69°)
OKLab	oklab(50.69% -0.0485 -0.0933)
OKLCH	oklch(50.69% 0.105 242.5)
XYZ	xyz(11.8833, 13.2376, 33.3749)
Luminance	0.1324 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#216B9C #9C5221

analogous

#219C8F #216B9C #212E9C

triadic

#216B9C #9C216B #6B9C21

tetradic

#216B9C #8F219C #9C5221 #2E9C21

square

#216B9C #8F219C #9C5221 #2E9C21

split-complementary

#216B9C #9C212E #9C8F21

monochromatic

#0C2637 #164869 #216B9C #2C8ECF #5BA9DC

Accessibility & contrast

On white

5.76

#216B9C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#216B9C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #216B9C

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##216B9C	#FFFFFF	#000000	##FFFFFF
##216B9C	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#546C9E

Deuteranopia (green-blind)

#43619B

Tritanopia (blue-blind)

#00777C

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #216b9c;
/* rgb */ color: rgb(33, 107, 156);
/* oklch */ color: oklch(50.7% 0.105 242.5);

Tailwind

colors: {
  custom: {
    50: '#7095b9',
    500: '#216b9c',
    950: '#000000',
  },
}

SCSS

$custom: #216b9c;
$custom-light: #7095b9;
$custom-dark: #000000;

JSON

{
  "hex": "#216b9c",
  "rgb": {
    "r": 33,
    "g": 107,
    "b": 156
  },
  "hsl": {
    "h": 203.902,
    "s": 65.079,
    "l": 37.059
  },
  "oklch": {
    "l": 0.50694,
    "c": 0.10517,
    "h": 242.5
  },
  "luminance": 0.13239
}

Semantic roles & 50–950 ramp

primary

#216B9C

secondary

#C18258

accent

#8340E8

background

#F7F9FB

surface

#EDF1F6

border

#C8CBD0

text

#090D11

muted

#7B7E80

Preview Lab

Preview with #216B9C

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

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