#21559A#21559A

#21559A is a mid, vivid cyan. Relative luminance 0.092; OKLCH L 45.3% C 0.125 H 256.8°. Best body text is #FFFFFF at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#21559A
RGB	rgb(33, 85, 154)
HSL	hsl(214, 65%, 37%)
HSV	hsv(214, 79%, 60%)
CMYK	cmyk(78.6%, 44.8%, 0%, 39.6%)
CIE-LAB	lab(36.28, 8.38, -42.59)
CIE-LCH	lch(36.28, 43.41, 281.13°)
OKLab	oklab(45.3% -0.0287 -0.122)
OKLCH	oklch(45.3% 0.125 256.8)
XYZ	xyz(9.7063, 9.1523, 31.8206)
Luminance	0.0915 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21559A #9A6621

analogous

#21929A #21559A #2A219A

triadic

#21559A #9A2155 #559A21

tetradic

#21559A #9A2192 #9A6621 #219A2A

square

#21559A #9A2192 #9A6621 #219A2A

split-complementary

#21559A #9A2A21 #929A21

monochromatic

#0B1D35 #163968 #21559A #2C71CC #5A92DC

Accessibility & contrast

On white

7.42

#21559A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#21559A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21559A

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21559A	#FFFFFF	#000000	##FFFFFF
##21559A	1.00	7.42	2.83	7.42
#FFFFFF	7.42	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#325B9D

Deuteranopia (green-blind)

#1A5099

Tritanopia (blue-blind)

#006570

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #21559a;
/* rgb */ color: rgb(33, 85, 154);
/* oklch */ color: oklch(45.3% 0.125 256.8);

Tailwind

colors: {
  custom: {
    50: '#6f84b8',
    500: '#21559a',
    950: '#000000',
  },
}

SCSS

$custom: #21559a;
$custom-light: #6f84b8;
$custom-dark: #000000;

JSON

{
  "hex": "#21559a",
  "rgb": {
    "r": 33,
    "g": 85,
    "b": 154
  },
  "hsl": {
    "h": 214.215,
    "s": 64.706,
    "l": 36.667
  },
  "oklch": {
    "l": 0.45297,
    "c": 0.12535,
    "h": 256.8
  },
  "luminance": 0.09153
}

Semantic roles & 50–950 ramp

primary

#21559A

secondary

#C09357

accent

#A040E8

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #21559A

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

Preview Lab → · Contrast checker → · Palette generator →