#221583#221583

#221583 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 31.1% C 0.169 H 275.5°. Best body text is #FFFFFF at 13.97:1 contrast (WCAG AA passes).

Color values

HEX	#221583
RGB	rgb(34, 21, 131)
HSL	hsl(247, 72%, 30%)
HSV	hsv(247, 84%, 51%)
CMYK	cmyk(74%, 84%, 0%, 48.6%)
CIE-LAB	lab(17.98, 41.15, -58.21)
CIE-LCH	lch(17.98, 71.29, 305.26°)
OKLab	oklab(31.13% 0.0163 -0.1683)
OKLCH	oklch(31.13% 0.169 275.5)
XYZ	xyz(5.0232, 2.5146, 21.6890)
Luminance	0.0251 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#221583 #768315

analogous

#153F83 #221583 #591583

triadic

#221583 #832215 #158322

tetradic

#221583 #83153F #768315 #158359

square

#221583 #83153F #768315 #158359

split-complementary

#221583 #835915 #3F8315

monochromatic

#07041A #140D4E #221583 #301DB8 #4834DE

Accessibility & contrast

On white

13.97

#221583 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#221583 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #221583

13.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##221583	#FFFFFF	#000000	##FFFFFF
##221583	1.00	13.97	1.50	13.97
#FFFFFF	13.97	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003186

Deuteranopia (green-blind)

#002781

Tritanopia (blue-blind)

#00384D

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #221583;
/* rgb */ color: rgb(34, 21, 131);
/* oklch */ color: oklch(31.1% 0.169 275.5);

Tailwind

colors: {
  custom: {
    50: '#6e56a8',
    500: '#221583',
    950: '#000000',
  },
}

SCSS

$custom: #221583;
$custom-light: #6e56a8;
$custom-dark: #000000;

JSON

{
  "hex": "#221583",
  "rgb": {
    "r": 34,
    "g": 21,
    "b": 131
  },
  "hsl": {
    "h": 247.091,
    "s": 72.368,
    "l": 29.804
  },
  "oklch": {
    "l": 0.3113,
    "c": 0.16907,
    "h": 275.5
  },
  "luminance": 0.02515
}

Semantic roles & 50–950 ramp

primary

#221583

secondary

#A9B83C

accent

#EF39DA

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #221583

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

Preview Lab → · Contrast checker → · Palette generator →