#21859F#21859F

#21859F is a mid, moderate cyan. Relative luminance 0.196; OKLCH L 57.3% C 0.095 H 219.9°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#21859F
RGB	rgb(33, 133, 159)
HSL	hsl(192, 66%, 38%)
HSV	hsv(192, 79%, 62%)
CMYK	cmyk(79.2%, 16.4%, 0%, 37.6%)
CIE-LAB	lab(51.38, -18.62, -21.83)
CIE-LCH	lch(51.38, 28.69, 229.53°)
OKLab	oklab(57.33% -0.073 -0.0611)
OKLCH	oklch(57.33% 0.095 219.9)
XYZ	xyz(15.2701, 19.5997, 35.7725)
Luminance	0.1960 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21859F #9F3B21

analogous

#219F7A #21859F #21469F

triadic

#21859F #9F2185 #859F21

tetradic

#21859F #7A219F #9F3B21 #469F21

square

#21859F #7A219F #9F3B21 #469F21

split-complementary

#21859F #9F2146 #9F7A21

monochromatic

#0C303A #165B6C #21859F #2CAFD2 #5DC3DD

Accessibility & contrast

On white

4.27

#21859F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#21859F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21859F

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21859F	#FFFFFF	#000000	##000000
##21859F	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7581A0

Deuteranopia (green-blind)

#64759F

Tritanopia (blue-blind)

#008D8D

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #21859f;
/* rgb */ color: rgb(33, 133, 159);
/* oklch */ color: oklch(57.3% 0.095 219.9);

Tailwind

colors: {
  custom: {
    50: '#72a8bb',
    500: '#21859f',
    950: '#000000',
  },
}

SCSS

$custom: #21859f;
$custom-light: #72a8bb;
$custom-dark: #000000;

JSON

{
  "hex": "#21859f",
  "rgb": {
    "r": 33,
    "g": 133,
    "b": 159
  },
  "hsl": {
    "h": 192.381,
    "s": 65.625,
    "l": 37.647
  },
  "oklch": {
    "l": 0.57331,
    "c": 0.09515,
    "h": 219.9
  },
  "luminance": 0.19602
}

Semantic roles & 50–950 ramp

primary

#21859F

secondary

#C26F5A

accent

#623FE9

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #21859F

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

Preview Lab → · Contrast checker → · Palette generator →