#21809F#21809F

#21809F is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.1% C 0.096 H 225.0°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#21809F
RGB	rgb(33, 128, 159)
HSL	hsl(195, 66%, 38%)
HSV	hsv(195, 79%, 62%)
CMYK	cmyk(79.2%, 19.5%, 0%, 37.6%)
CIE-LAB	lab(49.81, -15.89, -24.25)
CIE-LCH	lch(49.81, 28.99, 236.76°)
OKLab	oklab(56.07% -0.068 -0.068)
OKLCH	oklch(56.07% 0.096 225)
XYZ	xyz(14.6018, 18.2631, 35.5497)
Luminance	0.1827 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21809F #9F4021

analogous

#219F7F #21809F #21419F

triadic

#21809F #9F2180 #809F21

tetradic

#21809F #7F219F #9F4021 #419F21

square

#21809F #7F219F #9F4021 #419F21

split-complementary

#21809F #9F2141 #9F7F21

monochromatic

#0C2E3A #16576C #21809F #2CA9D2 #5DBEDD

Accessibility & contrast

On white

4.51

#21809F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#21809F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21809F

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21809F	#FFFFFF	#000000	##000000
##21809F	1.00	4.51	4.65	4.65
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7DA1

Deuteranopia (green-blind)

#5E719F

Tritanopia (blue-blind)

#00898A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #21809f;
/* rgb */ color: rgb(33, 128, 159);
/* oklch */ color: oklch(56.1% 0.096 225.0);

Tailwind

colors: {
  custom: {
    50: '#71a5bb',
    500: '#21809f',
    950: '#000000',
  },
}

SCSS

$custom: #21809f;
$custom-light: #71a5bb;
$custom-dark: #000000;

JSON

{
  "hex": "#21809f",
  "rgb": {
    "r": 33,
    "g": 128,
    "b": 159
  },
  "hsl": {
    "h": 194.762,
    "s": 65.625,
    "l": 37.647
  },
  "oklch": {
    "l": 0.56073,
    "c": 0.09618,
    "h": 225
  },
  "luminance": 0.18265
}

Semantic roles & 50–950 ramp

primary

#21809F

secondary

#C2745A

accent

#693FE9

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #21809F

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

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