#21839E#21839E

#21839E is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 56.8% C 0.095 H 221.1°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#21839E
RGB	rgb(33, 131, 158)
HSL	hsl(193, 65%, 37%)
HSV	hsv(193, 79%, 62%)
CMYK	cmyk(79.1%, 17.1%, 0%, 38%)
CIE-LAB	lab(50.71, -17.88, -22.28)
CIE-LCH	lch(50.71, 28.57, 231.24°)
OKLab	oklab(56.78% -0.0714 -0.0624)
OKLCH	oklch(56.78% 0.095 221.1)
XYZ	xyz(14.9125, 19.0227, 35.2269)
Luminance	0.1903 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21839E #9E3C21

analogous

#219E7B #21839E #21459E

triadic

#21839E #9E2183 #839E21

tetradic

#21839E #7B219E #9E3C21 #459E21

square

#21839E #7B219E #9E3C21 #459E21

split-complementary

#21839E #9E2145 #9E7B21

monochromatic

#0C2F39 #16596B #21839E #2CADD1 #5CC1DD

Accessibility & contrast

On white

4.37

#21839E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#21839E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21839E

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21839E	#FFFFFF	#000000	##000000
##21839E	1.00	4.37	4.81	4.81
#FFFFFF	4.37	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)

#73809F

Deuteranopia (green-blind)

#62749E

Tritanopia (blue-blind)

#008C8C

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #21839e;
/* rgb */ color: rgb(33, 131, 158);
/* oklch */ color: oklch(56.8% 0.095 221.1);

Tailwind

colors: {
  custom: {
    50: '#72a7ba',
    500: '#21839e',
    950: '#000000',
  },
}

SCSS

$custom: #21839e;
$custom-light: #72a7ba;
$custom-dark: #000000;

JSON

{
  "hex": "#21839e",
  "rgb": {
    "r": 33,
    "g": 131,
    "b": 158
  },
  "hsl": {
    "h": 192.96,
    "s": 65.445,
    "l": 37.451
  },
  "oklch": {
    "l": 0.56782,
    "c": 0.09478,
    "h": 221.1
  },
  "luminance": 0.19025
}

Semantic roles & 50–950 ramp

primary

#21839E

secondary

#C17059

accent

#643FE8

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #21839E

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

Preview Lab → · Contrast checker → · Palette generator →