#223588#223588

#223588 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 36.9% C 0.140 H 268.6°. Best body text is #FFFFFF at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#223588
RGB	rgb(34, 53, 136)
HSL	hsl(229, 60%, 33%)
HSV	hsv(229, 75%, 53%)
CMYK	cmyk(75%, 61%, 0%, 46.7%)
CIE-LAB	lab(25.75, 23.18, -48.58)
CIE-LCH	lch(25.75, 53.82, 295.51°)
OKLab	oklab(36.88% -0.0033 -0.1402)
OKLCH	oklch(36.88% 0.14 268.6)
XYZ	xyz(6.3752, 4.6632, 23.8519)
Luminance	0.0466 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223588 #887522

analogous

#226888 #223588 #422288

triadic

#223588 #882235 #358822

tetradic

#223588 #882268 #887522 #228842

square

#223588 #882268 #887522 #228842

split-complementary

#223588 #884222 #688822

monochromatic

#0A0F26 #162257 #223588 #2E48B9 #5169D3

Accessibility & contrast

On white

10.87

#223588 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#223588 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223588

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223588	#FFFFFF	#000000	##FFFFFF
##223588	1.00	10.87	1.93	10.87
#FFFFFF	10.87	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428B

Deuteranopia (green-blind)

#003886

Tritanopia (blue-blind)

#004A59

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #223588;
/* rgb */ color: rgb(34, 53, 136);
/* oklch */ color: oklch(36.9% 0.140 268.6);

Tailwind

colors: {
  custom: {
    50: '#6d6cab',
    500: '#223588',
    950: '#000000',
  },
}

SCSS

$custom: #223588;
$custom-light: #6d6cab;
$custom-dark: #000000;

JSON

{
  "hex": "#223588",
  "rgb": {
    "r": 34,
    "g": 53,
    "b": 136
  },
  "hsl": {
    "h": 228.824,
    "s": 60,
    "l": 33.333
  },
  "oklch": {
    "l": 0.36882,
    "c": 0.14024,
    "h": 268.6
  },
  "luminance": 0.04664
}

Semantic roles & 50–950 ramp

primary

#223588

secondary

#B7A44F

accent

#C645E3

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #223588

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

Preview Lab → · Contrast checker → · Palette generator →