#203B83#203B83

#203B83 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.6% C 0.126 H 265.3°. Best body text is #FFFFFF at 10.42:1 contrast (WCAG AA passes).

Color values

HEX	#203B83
RGB	rgb(32, 59, 131)
HSL	hsl(224, 61%, 32%)
HSV	hsv(224, 76%, 51%)
CMYK	cmyk(75.6%, 55%, 0%, 48.6%)
CIE-LAB	lab(26.94, 16.77, -43.53)
CIE-LCH	lch(26.94, 46.65, 291.07°)
OKLab	oklab(37.62% -0.0104 -0.1253)
OKLCH	oklch(37.62% 0.126 265.3)
XYZ	xyz(6.2549, 5.0730, 22.1179)
Luminance	0.0507 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203B83 #836820

analogous

#206D83 #203B83 #362083

triadic

#203B83 #83203B #3B8320

tetradic

#203B83 #83206D #836820 #208336

square

#203B83 #83206D #836820 #208336

split-complementary

#203B83 #833620 #6D8320

monochromatic

#080F21 #142552 #203B83 #2C51B4 #4A70D3

Accessibility & contrast

On white

10.42

#203B83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#203B83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203B83

10.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203B83	#FFFFFF	#000000	##FFFFFF
##203B83	1.00	10.42	2.01	10.42
#FFFFFF	10.42	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#064486

Deuteranopia (green-blind)

#003B82

Tritanopia (blue-blind)

#004C59

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #203b83;
/* rgb */ color: rgb(32, 59, 131);
/* oklch */ color: oklch(37.6% 0.126 265.3);

Tailwind

colors: {
  custom: {
    50: '#6a70a8',
    500: '#203b83',
    950: '#000000',
  },
}

SCSS

$custom: #203b83;
$custom-light: #6a70a8;
$custom-dark: #000000;

JSON

{
  "hex": "#203b83",
  "rgb": {
    "r": 32,
    "g": 59,
    "b": 131
  },
  "hsl": {
    "h": 223.636,
    "s": 60.736,
    "l": 31.961
  },
  "oklch": {
    "l": 0.37622,
    "c": 0.12574,
    "h": 265.3
  },
  "luminance": 0.05074
}

Semantic roles & 50–950 ramp

primary

#203B83

secondary

#B69849

accent

#B844E4

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #203B83

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

Preview Lab → · Contrast checker → · Palette generator →