#21839D#21839D

#21839D is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 56.7% C 0.094 H 220.3°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#21839D
RGB	rgb(33, 131, 157)
HSL	hsl(193, 65%, 37%)
HSV	hsv(193, 79%, 62%)
CMYK	cmyk(79%, 16.6%, 0%, 38.4%)
CIE-LAB	lab(50.67, -18.23, -21.76)
CIE-LCH	lch(50.67, 28.38, 230.04°)
OKLab	oklab(56.74% -0.0718 -0.0609)
OKLCH	oklch(56.74% 0.094 220.3)
XYZ	xyz(14.8267, 18.9884, 34.7755)
Luminance	0.1899 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21839D #9D3B21

analogous

#219D79 #21839D #21459D

triadic

#21839D #9D2183 #839D21

tetradic

#21839D #79219D #9D3B21 #459D21

square

#21839D #79219D #9D3B21 #459D21

split-complementary

#21839D #9D2145 #9D7921

monochromatic

#0C2F38 #16596A #21839D #2CADD0 #5CC2DD

Accessibility & contrast

On white

4.38

#21839D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#21839D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21839D

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21839D	#FFFFFF	#000000	##000000
##21839D	1.00	4.38	4.80	4.80
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#737F9E

Deuteranopia (green-blind)

#63739D

Tritanopia (blue-blind)

#008B8B

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #21839d;
/* rgb */ color: rgb(33, 131, 157);
/* oklch */ color: oklch(56.7% 0.094 220.3);

Tailwind

colors: {
  custom: {
    50: '#71a7ba',
    500: '#21839d',
    950: '#000000',
  },
}

SCSS

$custom: #21839d;
$custom-light: #71a7ba;
$custom-dark: #000000;

JSON

{
  "hex": "#21839d",
  "rgb": {
    "r": 33,
    "g": 131,
    "b": 157
  },
  "hsl": {
    "h": 192.581,
    "s": 65.263,
    "l": 37.255
  },
  "oklch": {
    "l": 0.56736,
    "c": 0.09412,
    "h": 220.3
  },
  "luminance": 0.1899
}

Semantic roles & 50–950 ramp

primary

#21839D

secondary

#C16F59

accent

#6340E8

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #21839D

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

Preview Lab → · Contrast checker → · Palette generator →