#21809E#21809E

#21809E is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 56.0% C 0.095 H 224.2°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#21809E
RGB	rgb(33, 128, 158)
HSL	hsl(194, 65%, 37%)
HSV	hsv(194, 79%, 62%)
CMYK	cmyk(79.1%, 19%, 0%, 38%)
CIE-LAB	lab(49.77, -16.24, -23.73)
CIE-LCH	lch(49.77, 28.75, 235.61°)
OKLab	oklab(56.03% -0.0684 -0.0665)
OKLCH	oklch(56.03% 0.095 224.2)
XYZ	xyz(14.5154, 18.2285, 35.0946)
Luminance	0.1823 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21809E #9E3F21

analogous

#219E7E #21809E #21429E

triadic

#21809E #9E2180 #809E21

tetradic

#21809E #7E219E #9E3F21 #429E21

square

#21809E #7E219E #9E3F21 #429E21

split-complementary

#21809E #9E2142 #9E7E21

monochromatic

#0C2E39 #16576B #21809E #2CA9D1 #5CBEDD

Accessibility & contrast

On white

4.52

#21809E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#21809E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21809E

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21809E	#FFFFFF	#000000	##000000
##21809E	1.00	4.52	4.65	4.65
#FFFFFF	4.52	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)

#6F7DA0

Deuteranopia (green-blind)

#5F719E

Tritanopia (blue-blind)

#00898A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #21809e;
/* rgb */ color: rgb(33, 128, 158);
/* oklch */ color: oklch(56.0% 0.095 224.2);

Tailwind

colors: {
  custom: {
    50: '#71a5ba',
    500: '#21809e',
    950: '#000000',
  },
}

SCSS

$custom: #21809e;
$custom-light: #71a5ba;
$custom-dark: #000000;

JSON

{
  "hex": "#21809e",
  "rgb": {
    "r": 33,
    "g": 128,
    "b": 158
  },
  "hsl": {
    "h": 194.4,
    "s": 65.445,
    "l": 37.451
  },
  "oklch": {
    "l": 0.56026,
    "c": 0.09541,
    "h": 224.2
  },
  "luminance": 0.1823
}

Semantic roles & 50–950 ramp

primary

#21809E

secondary

#C17259

accent

#683FE8

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #21809E

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

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