#213583#213583

#213583 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.4% C 0.133 H 268.1°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#213583
RGB	rgb(33, 53, 131)
HSL	hsl(228, 60%, 32%)
HSV	hsv(228, 75%, 51%)
CMYK	cmyk(74.8%, 59.5%, 0%, 48.6%)
CIE-LAB	lab(25.28, 21.09, -46.22)
CIE-LCH	lch(25.28, 50.81, 294.53°)
OKLab	oklab(36.39% -0.0044 -0.1333)
OKLCH	oklch(36.39% 0.133 268.1)
XYZ	xyz(5.9956, 4.5076, 22.0224)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213583 #836F21

analogous

#216683 #213583 #3E2183

triadic

#213583 #832135 #358321

tetradic

#213583 #832166 #836F21 #21833E

square

#213583 #832166 #836F21 #21833E

split-complementary

#213583 #833E21 #668321

monochromatic

#080D21 #152152 #213583 #2D49B4 #4C68D2

Accessibility & contrast

On white

11.04

#213583 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#213583 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213583

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213583	#FFFFFF	#000000	##FFFFFF
##213583	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	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: #213583;
/* rgb */ color: rgb(33, 53, 131);
/* oklch */ color: oklch(36.4% 0.133 268.1);

Tailwind

colors: {
  custom: {
    50: '#6b6ba8',
    500: '#213583',
    950: '#000000',
  },
}

SCSS

$custom: #213583;
$custom-light: #6b6ba8;
$custom-dark: #000000;

JSON

{
  "hex": "#213583",
  "rgb": {
    "r": 33,
    "g": 53,
    "b": 131
  },
  "hsl": {
    "h": 227.755,
    "s": 59.756,
    "l": 32.157
  },
  "oklch": {
    "l": 0.36387,
    "c": 0.13337,
    "h": 268.1
  },
  "luminance": 0.04508
}

Semantic roles & 50–950 ramp

primary

#213583

secondary

#B59F4B

accent

#C345E3

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #213583

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

Preview Lab → · Contrast checker → · Palette generator →