#221566#221566

#221566 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.8% C 0.132 H 280.7°. Best body text is #FFFFFF at 15.36:1 contrast (WCAG AA passes).

Color values

HEX	#221566
RGB	rgb(34, 21, 102)
HSL	hsl(250, 66%, 24%)
HSV	hsv(250, 79%, 40%)
CMYK	cmyk(66.7%, 79.4%, 0%, 60%)
CIE-LAB	lab(14.60, 31.64, -45.08)
CIE-LCH	lch(14.60, 55.08, 305.06°)
OKLab	oklab(27.77% 0.0246 -0.1301)
OKLCH	oklch(27.77% 0.132 280.7)
XYZ	xyz(3.3254, 1.8355, 12.7468)
Luminance	0.0184 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#221566 #596615

analogous

#153166 #221566 #4B1566

triadic

#221566 #662215 #156622

tetradic

#221566 #661531 #596615 #15664B

square

#221566 #661531 #596615 #15664B

split-complementary

#221566 #664B15 #316615

monochromatic

#080519 #110B33 #221566 #331F99 #442ACC

Accessibility & contrast

On white

15.36

#221566 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#221566 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #221566

15.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##221566	#FFFFFF	#000000	##FFFFFF
##221566	1.00	15.36	1.37	15.36
#FFFFFF	15.36	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002868

Deuteranopia (green-blind)

#002265

Tritanopia (blue-blind)

#002C3C

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #221566;
/* rgb */ color: rgb(34, 21, 102);
/* oklch */ color: oklch(27.8% 0.132 280.7);

Tailwind

colors: {
  custom: {
    50: '#675493',
    500: '#221566',
    950: '#000000',
  },
}

SCSS

$custom: #221566;
$custom-light: #675493;
$custom-dark: #000000;

JSON

{
  "hex": "#221566",
  "rgb": {
    "r": 34,
    "g": 21,
    "b": 102
  },
  "hsl": {
    "h": 249.63,
    "s": 65.854,
    "l": 24.118
  },
  "oklch": {
    "l": 0.2777,
    "c": 0.13239,
    "h": 280.7
  },
  "luminance": 0.01836
}

Semantic roles & 50–950 ramp

primary

#221566

secondary

#8D9D3A

accent

#E93FCE

background

#F6F4F9

surface

#EBE8F1

border

#C6C4CB

text

#07030D

muted

#7A787E

Preview Lab

Preview with #221566

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

Preview Lab → · Contrast checker → · Palette generator →