#21839F#21839F

#21839F is a mid, moderate cyan. Relative luminance 0.191; OKLCH L 56.8% C 0.095 H 222.0°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#21839F
RGB	rgb(33, 131, 159)
HSL	hsl(193, 66%, 38%)
HSV	hsv(193, 79%, 62%)
CMYK	cmyk(79.2%, 17.6%, 0%, 37.6%)
CIE-LAB	lab(50.75, -17.54, -22.79)
CIE-LCH	lch(50.75, 28.76, 232.42°)
OKLab	oklab(56.83% -0.071 -0.0638)
OKLCH	oklch(56.83% 0.095 222)
XYZ	xyz(14.9989, 19.0573, 35.6821)
Luminance	0.1906 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21839F #9F3D21

analogous

#219F7C #21839F #21449F

triadic

#21839F #9F2183 #839F21

tetradic

#21839F #7C219F #9F3D21 #449F21

square

#21839F #7C219F #9F3D21 #449F21

split-complementary

#21839F #9F2144 #9F7C21

monochromatic

#0C2F3A #16596C #21839F #2CADD2 #5DC1DD

Accessibility & contrast

On white

4.36

#21839F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#21839F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21839F

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21839F	#FFFFFF	#000000	##000000
##21839F	1.00	4.36	4.81	4.81
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7380A0

Deuteranopia (green-blind)

#62749F

Tritanopia (blue-blind)

#008C8C

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #21839f;
/* rgb */ color: rgb(33, 131, 159);
/* oklch */ color: oklch(56.8% 0.095 222.0);

Tailwind

colors: {
  custom: {
    50: '#72a7bb',
    500: '#21839f',
    950: '#000000',
  },
}

SCSS

$custom: #21839f;
$custom-light: #72a7bb;
$custom-dark: #000000;

JSON

{
  "hex": "#21839f",
  "rgb": {
    "r": 33,
    "g": 131,
    "b": 159
  },
  "hsl": {
    "h": 193.333,
    "s": 65.625,
    "l": 37.647
  },
  "oklch": {
    "l": 0.56827,
    "c": 0.09546,
    "h": 222
  },
  "luminance": 0.19059
}

Semantic roles & 50–950 ramp

primary

#21839F

secondary

#C2715A

accent

#653FE9

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #21839F

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

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