#22378B#22378B

#22378B is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.6% C 0.142 H 268.0°. Best body text is #FFFFFF at 10.57:1 contrast (WCAG AA passes).

Color values

HEX	#22378B
RGB	rgb(34, 55, 139)
HSL	hsl(228, 61%, 34%)
HSV	hsv(228, 76%, 55%)
CMYK	cmyk(75.5%, 60.4%, 0%, 45.5%)
CIE-LAB	lab(26.55, 22.98, -49.14)
CIE-LCH	lch(26.55, 54.25, 295.06°)
OKLab	oklab(37.56% -0.0048 -0.1418)
OKLCH	oklch(37.56% 0.142 268)
XYZ	xyz(6.6845, 4.9358, 25.0215)
Luminance	0.0494 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#22378B #8B7622

analogous

#226C8B #22378B #42228B

triadic

#22378B #8B2237 #378B22

tetradic

#22378B #8B226C #8B7622 #228B42

square

#22378B #8B226C #8B7622 #228B42

split-complementary

#22378B #8B4222 #6C8B22

monochromatic

#0A1029 #16245A #22378B #2E4ABC #536DD5

Accessibility & contrast

On white

10.57

#22378B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#22378B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #22378B

10.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##22378B	#FFFFFF	#000000	##FFFFFF
##22378B	1.00	10.57	1.99	10.57
#FFFFFF	10.57	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00448E

Deuteranopia (green-blind)

#003A89

Tritanopia (blue-blind)

#004C5B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #22378b;
/* rgb */ color: rgb(34, 55, 139);
/* oklch */ color: oklch(37.6% 0.142 268.0);

Tailwind

colors: {
  custom: {
    50: '#6d6dae',
    500: '#22378b',
    950: '#000000',
  },
}

SCSS

$custom: #22378b;
$custom-light: #6d6dae;
$custom-dark: #000000;

JSON

{
  "hex": "#22378b",
  "rgb": {
    "r": 34,
    "g": 55,
    "b": 139
  },
  "hsl": {
    "h": 228,
    "s": 60.694,
    "l": 33.922
  },
  "oklch": {
    "l": 0.37556,
    "c": 0.1419,
    "h": 268
  },
  "luminance": 0.04937
}

Semantic roles & 50–950 ramp

primary

#22378B

secondary

#B8A450

accent

#C444E4

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #22378B

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

Preview Lab → · Contrast checker → · Palette generator →