#221584#221584

#221584 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 31.3% C 0.170 H 275.4°. Best body text is #FFFFFF at 13.92:1 contrast (WCAG AA passes).

Color values

HEX	#221584
RGB	rgb(34, 21, 132)
HSL	hsl(247, 73%, 30%)
HSV	hsv(247, 84%, 52%)
CMYK	cmyk(74.2%, 84.1%, 0%, 48.2%)
CIE-LAB	lab(18.11, 41.47, -58.64)
CIE-LCH	lch(18.11, 71.82, 305.27°)
OKLab	oklab(31.25% 0.016 -0.1695)
OKLCH	oklch(31.25% 0.17 275.4)
XYZ	xyz(5.0913, 2.5419, 22.0476)
Luminance	0.0254 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#221584 #778415

analogous

#154084 #221584 #591584

triadic

#221584 #842215 #158422

tetradic

#221584 #841540 #778415 #158459

square

#221584 #841540 #778415 #158459

split-complementary

#221584 #845915 #408415

monochromatic

#07041A #140D4F #221584 #301DB9 #4935DF

Accessibility & contrast

On white

13.92

#221584 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#221584 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #221584

13.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##221584	#FFFFFF	#000000	##FFFFFF
##221584	1.00	13.92	1.51	13.92
#FFFFFF	13.92	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003187

Deuteranopia (green-blind)

#002782

Tritanopia (blue-blind)

#00384E

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #221584;
/* rgb */ color: rgb(34, 21, 132);
/* oklch */ color: oklch(31.3% 0.170 275.4);

Tailwind

colors: {
  custom: {
    50: '#6f56a9',
    500: '#221584',
    950: '#000000',
  },
}

SCSS

$custom: #221584;
$custom-light: #6f56a9;
$custom-dark: #000000;

JSON

{
  "hex": "#221584",
  "rgb": {
    "r": 34,
    "g": 21,
    "b": 132
  },
  "hsl": {
    "h": 247.027,
    "s": 72.549,
    "l": 30
  },
  "oklch": {
    "l": 0.3125,
    "c": 0.17027,
    "h": 275.4
  },
  "luminance": 0.02542
}

Semantic roles & 50–950 ramp

primary

#221584

secondary

#AAB93C

accent

#EF39DA

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #221584

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

Preview Lab → · Contrast checker → · Palette generator →