#223583#223583

#223583 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.4% C 0.133 H 268.5°. Best body text is #FFFFFF at 11.02:1 contrast (WCAG AA passes).

Color values

HEX	#223583
RGB	rgb(34, 53, 131)
HSL	hsl(228, 59%, 32%)
HSV	hsv(228, 74%, 51%)
CMYK	cmyk(74%, 59.5%, 0%, 48.6%)
CIE-LAB	lab(25.33, 21.23, -46.14)
CIE-LCH	lch(25.33, 50.79, 294.71°)
OKLab	oklab(36.44% -0.0034 -0.133)
OKLCH	oklch(36.44% 0.133 268.5)
XYZ	xyz(6.0281, 4.5244, 22.0239)
Luminance	0.0452 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223583 #837022

analogous

#226683 #223583 #3F2283

triadic

#223583 #832235 #358322

tetradic

#223583 #832266 #837022 #22833F

square

#223583 #832266 #837022 #22833F

split-complementary

#223583 #833F22 #668322

monochromatic

#090E22 #152152 #223583 #2F49B4 #4E68D1

Accessibility & contrast

On white

11.02

#223583 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#223583 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223583

11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223583	#FFFFFF	#000000	##FFFFFF
##223583	1.00	11.02	1.91	11.02
#FFFFFF	11.02	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004186

Deuteranopia (green-blind)

#003881

Tritanopia (blue-blind)

#004856

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #223583;
/* rgb */ color: rgb(34, 53, 131);
/* oklch */ color: oklch(36.4% 0.133 268.5);

Tailwind

colors: {
  custom: {
    50: '#6b6ba8',
    500: '#223583',
    950: '#000000',
  },
}

SCSS

$custom: #223583;
$custom-light: #6b6ba8;
$custom-dark: #000000;

JSON

{
  "hex": "#223583",
  "rgb": {
    "r": 34,
    "g": 53,
    "b": 131
  },
  "hsl": {
    "h": 228.247,
    "s": 58.788,
    "l": 32.353
  },
  "oklch": {
    "l": 0.36439,
    "c": 0.13307,
    "h": 268.5
  },
  "luminance": 0.04525
}

Semantic roles & 50–950 ramp

primary

#223583

secondary

#B4A04C

accent

#C346E2

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #223583

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

Preview Lab → · Contrast checker → · Palette generator →