#203A99#203A99

#203A99 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.3% C 0.158 H 266.9°. Best body text is #FFFFFF at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#203A99
RGB	rgb(32, 58, 153)
HSL	hsl(227, 65%, 36%)
HSV	hsv(227, 79%, 60%)
CMYK	cmyk(79.1%, 62.1%, 0%, 40%)
CIE-LAB	lab(28.46, 26.15, -54.63)
CIE-LCH	lch(28.46, 60.56, 295.58°)
OKLab	oklab(39.33% -0.0086 -0.1579)
OKLCH	oklch(39.33% 0.158 266.9)
XYZ	xyz(7.8565, 5.6322, 30.8039)
Luminance	0.0563 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203A99 #997F20

analogous

#207799 #203A99 #432099

triadic

#203A99 #99203A #3A9920

tetradic

#203A99 #992077 #997F20 #209943

square

#203A99 #992077 #997F20 #209943

split-complementary

#203A99 #994320 #779920

monochromatic

#0B1434 #152766 #203A99 #2B4DCC #5774DC

Accessibility & contrast

On white

9.87

#203A99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#203A99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203A99

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203A99	#FFFFFF	#000000	##FFFFFF
##203A99	1.00	9.87	2.13	9.87
#FFFFFF	9.87	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499C

Deuteranopia (green-blind)

#003E97

Tritanopia (blue-blind)

#005264

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #203a99;
/* rgb */ color: rgb(32, 58, 153);
/* oklch */ color: oklch(39.3% 0.158 266.9);

Tailwind

colors: {
  custom: {
    50: '#706fb8',
    500: '#203a99',
    950: '#000000',
  },
}

SCSS

$custom: #203a99;
$custom-light: #706fb8;
$custom-dark: #000000;

JSON

{
  "hex": "#203a99",
  "rgb": {
    "r": 32,
    "g": 58,
    "b": 153
  },
  "hsl": {
    "h": 227.107,
    "s": 65.405,
    "l": 36.275
  },
  "oklch": {
    "l": 0.39328,
    "c": 0.15817,
    "h": 266.9
  },
  "luminance": 0.05633
}

Semantic roles & 50–950 ramp

primary

#203A99

secondary

#C0A955

accent

#C43FE8

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #203A99

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

Preview Lab → · Contrast checker → · Palette generator →