#21879E#21879E

#21879E is a mid, moderate cyan. Relative luminance 0.201; OKLCH L 57.8% C 0.094 H 217.0°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#21879E
RGB	rgb(33, 135, 158)
HSL	hsl(191, 65%, 37%)
HSV	hsv(191, 79%, 62%)
CMYK	cmyk(79.1%, 14.6%, 0%, 38%)
CIE-LAB	lab(51.97, -20.04, -20.35)
CIE-LCH	lch(51.97, 28.56, 225.43°)
OKLab	oklab(57.79% -0.0754 -0.0568)
OKLCH	oklch(57.79% 0.094 217)
XYZ	xyz(15.4601, 20.1180, 35.4095)
Luminance	0.2012 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21879E #9E3821

analogous

#219E77 #21879E #21499E

triadic

#21879E #9E2187 #879E21

tetradic

#21879E #77219E #9E3821 #499E21

square

#21879E #77219E #9E3821 #499E21

split-complementary

#21879E #9E2149 #9E7721

monochromatic

#0C3039 #165C6B #21879E #2CB2D1 #5CC5DD

Accessibility & contrast

On white

4.18

#21879E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.02

#21879E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21879E

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21879E	#FFFFFF	#000000	##000000
##21879E	1.00	4.18	5.02	5.02
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.02	21.00	1.00	1.00
##000000	5.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#78839F

Deuteranopia (green-blind)

#67779E

Tritanopia (blue-blind)

#008F8E

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #21879e;
/* rgb */ color: rgb(33, 135, 158);
/* oklch */ color: oklch(57.8% 0.094 217.0);

Tailwind

colors: {
  custom: {
    50: '#72aaba',
    500: '#21879e',
    950: '#000000',
  },
}

SCSS

$custom: #21879e;
$custom-light: #72aaba;
$custom-dark: #000000;

JSON

{
  "hex": "#21879e",
  "rgb": {
    "r": 33,
    "g": 135,
    "b": 158
  },
  "hsl": {
    "h": 191.04,
    "s": 65.445,
    "l": 37.451
  },
  "oklch": {
    "l": 0.57792,
    "c": 0.09441,
    "h": 217
  },
  "luminance": 0.2012
}

Semantic roles & 50–950 ramp

primary

#21879E

secondary

#C16D59

accent

#5E3FE8

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #21879E

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

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