#21568D#21568D

#21568D is a dark, moderate cyan. Relative luminance 0.089; OKLCH L 44.7% C 0.106 H 252.1°. Best body text is #FFFFFF at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#21568D
RGB	rgb(33, 86, 141)
HSL	hsl(211, 62%, 34%)
HSV	hsv(211, 77%, 55%)
CMYK	cmyk(76.6%, 39%, 0%, 44.7%)
CIE-LAB	lab(35.79, 2.61, -35.49)
CIE-LCH	lch(35.79, 35.59, 274.21°)
OKLab	oklab(44.67% -0.0326 -0.1012)
OKLCH	oklch(44.67% 0.106 252.1)
XYZ	xyz(8.7609, 8.9010, 26.4505)
Luminance	0.0890 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21568D #8D5821

analogous

#218C8D #21568D #22218D

triadic

#21568D #8D2156 #568D21

tetradic

#21568D #8D218C #8D5821 #218D22

square

#21568D #8D218C #8D5821 #218D22

split-complementary

#21568D #8D2221 #8C8D21

monochromatic

#0A1A2A #15385B #21568D #2D74BF #5293D6

Accessibility & contrast

On white

7.55

#21568D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#21568D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21568D

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21568D	#FFFFFF	#000000	##FFFFFF
##21568D	1.00	7.55	2.78	7.55
#FFFFFF	7.55	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C5A8F

Deuteranopia (green-blind)

#2C508C

Tritanopia (blue-blind)

#00636A

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #21568d;
/* rgb */ color: rgb(33, 86, 141);
/* oklch */ color: oklch(44.7% 0.106 252.1);

Tailwind

colors: {
  custom: {
    50: '#6c85ae',
    500: '#21568d',
    950: '#000000',
  },
}

SCSS

$custom: #21568d;
$custom-light: #6c85ae;
$custom-dark: #000000;

JSON

{
  "hex": "#21568d",
  "rgb": {
    "r": 33,
    "g": 86,
    "b": 141
  },
  "hsl": {
    "h": 210.556,
    "s": 62.069,
    "l": 34.118
  },
  "oklch": {
    "l": 0.44666,
    "c": 0.1063,
    "h": 252.1
  },
  "luminance": 0.08902
}

Semantic roles & 50–950 ramp

primary

#21568D

secondary

#BA8650

accent

#9543E5

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#080B10

muted

#7A7C7F

Preview Lab

Preview with #21568D

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

Preview Lab → · Contrast checker → · Palette generator →