#203F88#203F88

#203F88 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 38.9% C 0.128 H 264.0°. Best body text is #FFFFFF at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#203F88
RGB	rgb(32, 63, 136)
HSL	hsl(222, 62%, 33%)
HSV	hsv(222, 76%, 53%)
CMYK	cmyk(76.5%, 53.7%, 0%, 46.7%)
CIE-LAB	lab(28.48, 15.99, -44.15)
CIE-LCH	lch(28.48, 46.95, 289.91°)
OKLab	oklab(38.91% -0.0133 -0.1271)
OKLCH	oklch(38.91% 0.128 264)
XYZ	xyz(6.8155, 5.6389, 24.0170)
Luminance	0.0564 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203F88 #886920

analogous

#207388 #203F88 #352088

triadic

#203F88 #88203F #3F8820

tetradic

#203F88 #882073 #886920 #208835

square

#203F88 #882073 #886920 #208835

split-complementary

#203F88 #883520 #738820

monochromatic

#091125 #142856 #203F88 #2C56BA #4D76D5

Accessibility & contrast

On white

9.87

#203F88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#203F88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203F88

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203F88	#FFFFFF	#000000	##FFFFFF
##203F88	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)

#0D488B

Deuteranopia (green-blind)

#003F87

Tritanopia (blue-blind)

#00515D

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #203f88;
/* rgb */ color: rgb(32, 63, 136);
/* oklch */ color: oklch(38.9% 0.128 264.0);

Tailwind

colors: {
  custom: {
    50: '#6b73ab',
    500: '#203f88',
    950: '#000000',
  },
}

SCSS

$custom: #203f88;
$custom-light: #6b73ab;
$custom-dark: #000000;

JSON

{
  "hex": "#203f88",
  "rgb": {
    "r": 32,
    "g": 63,
    "b": 136
  },
  "hsl": {
    "h": 222.115,
    "s": 61.905,
    "l": 32.941
  },
  "oklch": {
    "l": 0.3891,
    "c": 0.12775,
    "h": 264
  },
  "luminance": 0.0564
}

Semantic roles & 50–950 ramp

primary

#203F88

secondary

#B8984C

accent

#B543E5

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #203F88

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

Preview Lab → · Contrast checker → · Palette generator →