#222F81#222F81

#222F81 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.0% C 0.138 H 270.6°. Best body text is #FFFFFF at 11.72:1 contrast (WCAG AA passes).

Color values

HEX	#222F81
RGB	rgb(34, 47, 129)
HSL	hsl(232, 58%, 32%)
HSV	hsv(232, 74%, 51%)
CMYK	cmyk(73.6%, 63.6%, 0%, 49.4%)
CIE-LAB	lab(23.53, 24.60, -47.82)
CIE-LCH	lch(23.53, 53.78, 297.22°)
OKLab	oklab(35.05% 0.0013 -0.138)
OKLCH	oklch(35.05% 0.138 270.6)
XYZ	xyz(5.6373, 3.9575, 21.2314)
Luminance	0.0396 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#222F81 #817422

analogous

#225F81 #222F81 #442281

triadic

#222F81 #81222F #2F8122

tetradic

#222F81 #81225F #817422 #228144

square

#222F81 #81225F #817422 #228144

split-complementary

#222F81 #814422 #5F8122

monochromatic

#080C20 #151D51 #222F81 #2F41B1 #4D5FD0

Accessibility & contrast

On white

11.72

#222F81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#222F81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #222F81

11.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##222F81	#FFFFFF	#000000	##FFFFFF
##222F81	1.00	11.72	1.79	11.72
#FFFFFF	11.72	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D84

Deuteranopia (green-blind)

#00347F

Tritanopia (blue-blind)

#004453

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #222f81;
/* rgb */ color: rgb(34, 47, 129);
/* oklch */ color: oklch(35.0% 0.138 270.6);

Tailwind

colors: {
  custom: {
    50: '#6b67a6',
    500: '#222f81',
    950: '#000000',
  },
}

SCSS

$custom: #222f81;
$custom-light: #6b67a6;
$custom-dark: #000000;

JSON

{
  "hex": "#222f81",
  "rgb": {
    "r": 34,
    "g": 47,
    "b": 129
  },
  "hsl": {
    "h": 231.789,
    "s": 58.282,
    "l": 31.961
  },
  "oklch": {
    "l": 0.35045,
    "c": 0.13806,
    "h": 270.6
  },
  "luminance": 0.03958
}

Semantic roles & 50–950 ramp

primary

#222F81

secondary

#B3A54B

accent

#CC46E1

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#08060F

muted

#7A7A7F

Preview Lab

Preview with #222F81

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

Preview Lab → · Contrast checker → · Palette generator →