#221580#221580

#221580 is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.8% C 0.165 H 276.0°. Best body text is #FFFFFF at 14.12:1 contrast (WCAG AA passes).

Color values

HEX	#221580
RGB	rgb(34, 21, 128)
HSL	hsl(247, 72%, 29%)
HSV	hsv(247, 84%, 50%)
CMYK	cmyk(73.4%, 83.6%, 0%, 49.8%)
CIE-LAB	lab(17.62, 40.20, -56.91)
CIE-LCH	lch(17.62, 69.68, 305.23°)
OKLab	oklab(30.77% 0.0172 -0.1645)
OKLCH	oklch(30.77% 0.165 276)
XYZ	xyz(4.8229, 2.4345, 20.6336)
Luminance	0.0244 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#221580 #738015

analogous

#153E80 #221580 #581580

triadic

#221580 #802215 #158022

tetradic

#221580 #80153E #738015 #158058

square

#221580 #80153E #738015 #158058

split-complementary

#221580 #805815 #3E8015

monochromatic

#07041A #140C4B #221580 #301EB5 #4732DD

Accessibility & contrast

On white

14.12

#221580 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#221580 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #221580

14.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##221580	#FFFFFF	#000000	##FFFFFF
##221580	1.00	14.12	1.49	14.12
#FFFFFF	14.12	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003083

Deuteranopia (green-blind)

#00267E

Tritanopia (blue-blind)

#00374B

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #221580;
/* rgb */ color: rgb(34, 21, 128);
/* oklch */ color: oklch(30.8% 0.165 276.0);

Tailwind

colors: {
  custom: {
    50: '#6e56a6',
    500: '#221580',
    950: '#000000',
  },
}

SCSS

$custom: #221580;
$custom-light: #6e56a6;
$custom-dark: #000000;

JSON

{
  "hex": "#221580",
  "rgb": {
    "r": 34,
    "g": 21,
    "b": 128
  },
  "hsl": {
    "h": 247.29,
    "s": 71.812,
    "l": 29.216
  },
  "oklch": {
    "l": 0.30772,
    "c": 0.1654,
    "h": 276
  },
  "luminance": 0.02435
}

Semantic roles & 50–950 ramp

primary

#221580

secondary

#A6B53C

accent

#EF39D9

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #221580

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

Preview Lab → · Contrast checker → · Palette generator →