#22288B#22288B

#22288B is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.7% C 0.160 H 271.9°. Best body text is #FFFFFF at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#22288B
RGB	rgb(34, 40, 139)
HSL	hsl(237, 61%, 34%)
HSV	hsv(237, 76%, 55%)
CMYK	cmyk(75.5%, 71.2%, 0%, 45.5%)
CIE-LAB	lab(22.73, 33.01, -55.40)
CIE-LCH	lch(22.73, 64.49, 300.79°)
OKLab	oklab(34.75% 0.0053 -0.1603)
OKLCH	oklch(34.75% 0.16 271.9)
XYZ	xyz(6.0771, 3.7211, 24.8191)
Luminance	0.0372 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#22288B #8B8522

analogous

#225D8B #22288B #51228B

triadic

#22288B #8B2228 #288B22

tetradic

#22288B #8B225D #8B8522 #228B51

square

#22288B #8B225D #8B8522 #228B51

split-complementary

#22288B #8B5122 #5D8B22

monochromatic

#0A0C29 #161A5A #22288B #2E36BC #535AD5

Accessibility & contrast

On white

12.04

#22288B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#22288B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #22288B

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##22288B	#FFFFFF	#000000	##FFFFFF
##22288B	1.00	12.04	1.74	12.04
#FFFFFF	12.04	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8E

Deuteranopia (green-blind)

#003189

Tritanopia (blue-blind)

#004356

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #22288b;
/* rgb */ color: rgb(34, 40, 139);
/* oklch */ color: oklch(34.7% 0.160 271.9);

Tailwind

colors: {
  custom: {
    50: '#6f62ae',
    500: '#22288b',
    950: '#000000',
  },
}

SCSS

$custom: #22288b;
$custom-light: #6f62ae;
$custom-dark: #000000;

JSON

{
  "hex": "#22288b",
  "rgb": {
    "r": 34,
    "g": 40,
    "b": 139
  },
  "hsl": {
    "h": 236.571,
    "s": 60.694,
    "l": 33.922
  },
  "oklch": {
    "l": 0.34749,
    "c": 0.16037,
    "h": 271.9
  },
  "luminance": 0.03722
}

Semantic roles & 50–950 ramp

primary

#22288B

secondary

#B8B350

accent

#DB44E4

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#080510

muted

#7B797F

Preview Lab

Preview with #22288B

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

Preview Lab → · Contrast checker → · Palette generator →