#203583#203583

#203583 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.3% C 0.134 H 267.7°. Best body text is #FFFFFF at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#203583
RGB	rgb(32, 53, 131)
HSL	hsl(227, 61%, 32%)
HSV	hsv(227, 76%, 51%)
CMYK	cmyk(75.6%, 59.5%, 0%, 48.6%)
CIE-LAB	lab(25.23, 20.96, -46.30)
CIE-LCH	lch(25.23, 50.83, 294.35°)
OKLab	oklab(36.34% -0.0054 -0.1336)
OKLCH	oklch(36.34% 0.134 267.7)
XYZ	xyz(5.9641, 4.4913, 22.0209)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203583 #836E20

analogous

#206783 #203583 #3D2083

triadic

#203583 #832035 #358320

tetradic

#203583 #832067 #836E20 #20833D

square

#203583 #832067 #836E20 #20833D

split-complementary

#203583 #833D20 #678320

monochromatic

#080D21 #142152 #203583 #2C49B4 #4A67D3

Accessibility & contrast

On white

11.06

#203583 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#203583 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203583

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203583	#FFFFFF	#000000	##FFFFFF
##203583	1.00	11.06	1.90	11.06
#FFFFFF	11.06	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004186

Deuteranopia (green-blind)

#003781

Tritanopia (blue-blind)

#004856

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #203583;
/* rgb */ color: rgb(32, 53, 131);
/* oklch */ color: oklch(36.3% 0.134 267.7);

Tailwind

colors: {
  custom: {
    50: '#6b6ba8',
    500: '#203583',
    950: '#000000',
  },
}

SCSS

$custom: #203583;
$custom-light: #6b6ba8;
$custom-dark: #000000;

JSON

{
  "hex": "#203583",
  "rgb": {
    "r": 32,
    "g": 53,
    "b": 131
  },
  "hsl": {
    "h": 227.273,
    "s": 60.736,
    "l": 31.961
  },
  "oklch": {
    "l": 0.36336,
    "c": 0.13368,
    "h": 267.7
  },
  "luminance": 0.04492
}

Semantic roles & 50–950 ramp

primary

#203583

secondary

#B69F49

accent

#C244E4

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #203583

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

Preview Lab → · Contrast checker → · Palette generator →