#221781#221781

#221781 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 31.1% C 0.165 H 275.6°. Best body text is #FFFFFF at 13.93:1 contrast (WCAG AA passes).

Color values

HEX	#221781
RGB	rgb(34, 23, 129)
HSL	hsl(246, 70%, 30%)
HSV	hsv(246, 82%, 51%)
CMYK	cmyk(73.6%, 82.2%, 0%, 49.4%)
CIE-LAB	lab(18.09, 39.51, -56.77)
CIE-LCH	lch(18.09, 69.17, 304.83°)
OKLab	oklab(31.13% 0.016 -0.1641)
OKLCH	oklch(31.13% 0.165 275.6)
XYZ	xyz(4.9272, 2.5374, 20.9947)
Luminance	0.0254 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#221781 #768117

analogous

#174181 #221781 #571781

triadic

#221781 #812217 #178122

tetradic

#221781 #811741 #768117 #178157

square

#221781 #811741 #768117 #178157

split-complementary

#221781 #815717 #418117

monochromatic

#07051A #140E4D #221781 #3020B5 #4837DB

Accessibility & contrast

On white

13.93

#221781 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#221781 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #221781

13.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##221781	#FFFFFF	#000000	##FFFFFF
##221781	1.00	13.93	1.51	13.93
#FFFFFF	13.93	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003184

Deuteranopia (green-blind)

#00277F

Tritanopia (blue-blind)

#00384C

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #221781;
/* rgb */ color: rgb(34, 23, 129);
/* oklch */ color: oklch(31.1% 0.165 275.6);

Tailwind

colors: {
  custom: {
    50: '#6e57a7',
    500: '#221781',
    950: '#000000',
  },
}

SCSS

$custom: #221781;
$custom-light: #6e57a7;
$custom-dark: #000000;

JSON

{
  "hex": "#221781",
  "rgb": {
    "r": 34,
    "g": 23,
    "b": 129
  },
  "hsl": {
    "h": 246.226,
    "s": 69.737,
    "l": 29.804
  },
  "oklch": {
    "l": 0.31131,
    "c": 0.16492,
    "h": 275.6
  },
  "luminance": 0.02538
}

Semantic roles & 50–950 ramp

primary

#221781

secondary

#A9B53E

accent

#ED3BDA

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #221781

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

Preview Lab → · Contrast checker → · Palette generator →