#21568C#21568C

#21568C is a dark, moderate cyan. Relative luminance 0.089; OKLCH L 44.6% C 0.105 H 251.7°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#21568C
RGB	rgb(33, 86, 140)
HSL	hsl(210, 62%, 34%)
HSV	hsv(210, 76%, 55%)
CMYK	cmyk(76.4%, 38.6%, 0%, 45.1%)
CIE-LAB	lab(35.74, 2.22, -34.98)
CIE-LCH	lch(35.74, 35.05, 273.64°)
OKLab	oklab(44.6% -0.0329 -0.0996)
OKLCH	oklch(44.6% 0.105 251.7)
XYZ	xyz(8.6868, 8.8714, 26.0604)
Luminance	0.0887 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21568C #8C5721

analogous

#218C8C #21568C #21218C

triadic

#21568C #8C2156 #568C21

tetradic

#21568C #8C218C #8C5721 #218C21

square

#21568C #8C218C #8C5721 #218C21

split-complementary

#21568C #8C2121 #8C8C21

monochromatic

#0A1929 #15385A #21568C #2D74BE #5193D6

Accessibility & contrast

On white

7.57

#21568C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#21568C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21568C

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21568C	#FFFFFF	#000000	##FFFFFF
##21568C	1.00	7.57	2.77	7.57
#FFFFFF	7.57	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D598E

Deuteranopia (green-blind)

#2D508B

Tritanopia (blue-blind)

#00636A

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #21568c;
/* rgb */ color: rgb(33, 86, 140);
/* oklch */ color: oklch(44.6% 0.105 251.7);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#21568c",
  "rgb": {
    "r": 33,
    "g": 86,
    "b": 140
  },
  "hsl": {
    "h": 210.28,
    "s": 61.85,
    "l": 33.922
  },
  "oklch": {
    "l": 0.44603,
    "c": 0.10494,
    "h": 251.7
  },
  "luminance": 0.08872
}

Semantic roles & 50–950 ramp

primary

#21568C

secondary

#B9854F

accent

#9543E5

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#080B10

muted

#7A7C7F

Preview Lab

Preview with #21568C

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

Preview Lab → · Contrast checker → · Palette generator →