#21558F#21558F

#21558F is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 44.6% C 0.110 H 253.6°. Best body text is #FFFFFF at 7.61:1 contrast (WCAG AA passes).

Color values

HEX	#21558F
RGB	rgb(33, 85, 143)
HSL	hsl(212, 63%, 35%)
HSV	hsv(212, 77%, 56%)
CMYK	cmyk(76.9%, 40.6%, 0%, 43.9%)
CIE-LAB	lab(35.60, 4.05, -37.02)
CIE-LCH	lch(35.60, 37.24, 276.24°)
OKLab	oklab(44.56% -0.0312 -0.1056)
OKLCH	oklch(44.56% 0.11 253.6)
XYZ	xyz(8.8318, 8.8025, 27.2149)
Luminance	0.0880 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21558F #8F5B21

analogous

#218C8F #21558F #24218F

triadic

#21558F #8F2155 #558F21

tetradic

#21558F #8F218C #8F5B21 #218F24

square

#21558F #8F218C #8F5B21 #218F24

split-complementary

#21558F #8F2421 #8C8F21

monochromatic

#0A1A2C #16375D #21558F #2C73C1 #5392D7

Accessibility & contrast

On white

7.61

#21558F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#21558F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21558F

7.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21558F	#FFFFFF	#000000	##FFFFFF
##21558F	1.00	7.61	2.76	7.61
#FFFFFF	7.61	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A5991

Deuteranopia (green-blind)

#284F8E

Tritanopia (blue-blind)

#00636B

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #21558f;
/* rgb */ color: rgb(33, 85, 143);
/* oklch */ color: oklch(44.6% 0.110 253.6);

Tailwind

colors: {
  custom: {
    50: '#6d84b0',
    500: '#21558f',
    950: '#000000',
  },
}

SCSS

$custom: #21558f;
$custom-light: #6d84b0;
$custom-dark: #000000;

JSON

{
  "hex": "#21558f",
  "rgb": {
    "r": 33,
    "g": 85,
    "b": 143
  },
  "hsl": {
    "h": 211.636,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.44555,
    "c": 0.11015,
    "h": 253.6
  },
  "luminance": 0.08804
}

Semantic roles & 50–950 ramp

primary

#21558F

secondary

#BB8951

accent

#9842E6

background

#F7F8FA

surface

#EDEFF5

border

#C8CACF

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #21558F

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

Preview Lab → · Contrast checker → · Palette generator →