#203E8B#203E8B

#203E8B is a dark, vivid blue. Relative luminance 0.056; OKLCH L 38.9% C 0.133 H 264.8°. Best body text is #FFFFFF at 9.89:1 contrast (WCAG AA passes).

Color values

HEX	#203E8B
RGB	rgb(32, 62, 139)
HSL	hsl(223, 63%, 34%)
HSV	hsv(223, 77%, 55%)
CMYK	cmyk(77%, 55.4%, 0%, 45.5%)
CIE-LAB	lab(28.42, 17.88, -46.10)
CIE-LCH	lch(28.42, 49.45, 291.20°)
OKLab	oklab(38.94% -0.0121 -0.1328)
OKLCH	oklch(38.94% 0.133 264.8)
XYZ	xyz(6.9768, 5.6156, 25.1373)
Luminance	0.0562 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203E8B #8B6D20

analogous

#20738B #203E8B #38208B

triadic

#203E8B #8B203E #3E8B20

tetradic

#203E8B #8B2073 #8B6D20 #208B38

square

#203E8B #8B2073 #8B6D20 #208B38

split-complementary

#203E8B #8B3820 #738B20

monochromatic

#091228 #152859 #203E8B #2B54BD #4F75D6

Accessibility & contrast

On white

9.89

#203E8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#203E8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203E8B

9.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203E8B	#FFFFFF	#000000	##FFFFFF
##203E8B	1.00	9.89	2.12	9.89
#FFFFFF	9.89	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00488E

Deuteranopia (green-blind)

#003E89

Tritanopia (blue-blind)

#00515E

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #203e8b;
/* rgb */ color: rgb(32, 62, 139);
/* oklch */ color: oklch(38.9% 0.133 264.8);

Tailwind

colors: {
  custom: {
    50: '#6c72ad',
    500: '#203e8b',
    950: '#000000',
  },
}

SCSS

$custom: #203e8b;
$custom-light: #6c72ad;
$custom-dark: #000000;

JSON

{
  "hex": "#203e8b",
  "rgb": {
    "r": 32,
    "g": 62,
    "b": 139
  },
  "hsl": {
    "h": 223.178,
    "s": 62.573,
    "l": 33.529
  },
  "oklch": {
    "l": 0.38936,
    "c": 0.13338,
    "h": 264.8
  },
  "luminance": 0.05616
}

Semantic roles & 50–950 ramp

primary

#203E8B

secondary

#BA9B4D

accent

#B842E6

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #203E8B

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

Preview Lab → · Contrast checker → · Palette generator →