#21568F#21568F

#21568F is a dark, moderate cyan. Relative luminance 0.090; OKLCH L 44.8% C 0.109 H 252.9°. Best body text is #FFFFFF at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#21568F
RGB	rgb(33, 86, 143)
HSL	hsl(211, 63%, 35%)
HSV	hsv(211, 77%, 56%)
CMYK	cmyk(76.9%, 39.9%, 0%, 43.9%)
CIE-LAB	lab(35.91, 3.40, -36.52)
CIE-LCH	lch(35.91, 36.68, 275.31°)
OKLab	oklab(44.8% -0.0321 -0.1042)
OKLCH	oklch(44.8% 0.109 252.9)
XYZ	xyz(8.9111, 8.9611, 27.2413)
Luminance	0.0896 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21568F #8F5A21

analogous

#218D8F #21568F #23218F

triadic

#21568F #8F2156 #568F21

tetradic

#21568F #8F218D #8F5A21 #218F23

square

#21568F #8F218D #8F5A21 #218F23

split-complementary

#21568F #8F2321 #8D8F21

monochromatic

#0A1A2C #16385D #21568F #2C74C1 #5393D7

Accessibility & contrast

On white

7.52

#21568F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#21568F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21568F

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21568F	#FFFFFF	#000000	##FFFFFF
##21568F	1.00	7.52	2.79	7.52
#FFFFFF	7.52	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B5A91

Deuteranopia (green-blind)

#2A508E

Tritanopia (blue-blind)

#00636B

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #21568f;
/* rgb */ color: rgb(33, 86, 143);
/* oklch */ color: oklch(44.8% 0.109 252.9);

Tailwind

colors: {
  custom: {
    50: '#6d85b0',
    500: '#21568f',
    950: '#000000',
  },
}

SCSS

$custom: #21568f;
$custom-light: #6d85b0;
$custom-dark: #000000;

JSON

{
  "hex": "#21568f",
  "rgb": {
    "r": 33,
    "g": 86,
    "b": 143
  },
  "hsl": {
    "h": 211.091,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.44795,
    "c": 0.10903,
    "h": 252.9
  },
  "luminance": 0.08962
}

Semantic roles & 50–950 ramp

primary

#21568F

secondary

#BB8851

accent

#9742E6

background

#F7F8FA

surface

#EDEFF5

border

#C8CACF

text

#080B10

muted

#7B7C7F

Preview Lab

Preview with #21568F

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

Preview Lab → · Contrast checker → · Palette generator →