#203D89#203D89

#203D89 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.6% C 0.132 H 265.0°. Best body text is #FFFFFF at 10.05:1 contrast (WCAG AA passes).

Color values

HEX	#203D89
RGB	rgb(32, 61, 137)
HSL	hsl(223, 62%, 33%)
HSV	hsv(223, 77%, 54%)
CMYK	cmyk(76.6%, 55.5%, 0%, 46.3%)
CIE-LAB	lab(27.98, 17.78, -45.58)
CIE-LCH	lch(27.98, 48.92, 291.31°)
OKLab	oklab(38.55% -0.0115 -0.1313)
OKLCH	oklch(38.55% 0.132 265)
XYZ	xyz(6.7782, 5.4500, 24.3568)
Luminance	0.0545 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203D89 #896C20

analogous

#207189 #203D89 #382089

triadic

#203D89 #89203D #3D8920

tetradic

#203D89 #892071 #896C20 #208938

square

#203D89 #892071 #896C20 #208938

split-complementary

#203D89 #893820 #718920

monochromatic

#091126 #142757 #203D89 #2C53BB #4E73D6

Accessibility & contrast

On white

10.05

#203D89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#203D89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203D89

10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203D89	#FFFFFF	#000000	##FFFFFF
##203D89	1.00	10.05	2.09	10.05
#FFFFFF	10.05	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00478C

Deuteranopia (green-blind)

#003D87

Tritanopia (blue-blind)

#00505D

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #203d89;
/* rgb */ color: rgb(32, 61, 137);
/* oklch */ color: oklch(38.6% 0.132 265.0);

Tailwind

colors: {
  custom: {
    50: '#6c72ac',
    500: '#203d89',
    950: '#000000',
  },
}

SCSS

$custom: #203d89;
$custom-light: #6c72ac;
$custom-dark: #000000;

JSON

{
  "hex": "#203d89",
  "rgb": {
    "r": 32,
    "g": 61,
    "b": 137
  },
  "hsl": {
    "h": 223.429,
    "s": 62.13,
    "l": 33.137
  },
  "oklch": {
    "l": 0.38553,
    "c": 0.13181,
    "h": 265
  },
  "luminance": 0.05451
}

Semantic roles & 50–950 ramp

primary

#203D89

secondary

#B99B4C

accent

#B843E5

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #203D89

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

Preview Lab → · Contrast checker → · Palette generator →