#203F8A#203F8A

#203F8A is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.1% C 0.131 H 264.3°. Best body text is #FFFFFF at 9.82:1 contrast (WCAG AA passes).

Color values

HEX	#203F8A
RGB	rgb(32, 63, 138)
HSL	hsl(222, 62%, 33%)
HSV	hsv(222, 77%, 54%)
CMYK	cmyk(76.8%, 54.3%, 0%, 45.9%)
CIE-LAB	lab(28.63, 16.79, -45.14)
CIE-LCH	lch(28.63, 48.16, 290.40°)
OKLab	oklab(39.07% -0.0131 -0.13)
OKLCH	oklch(39.07% 0.131 264.3)
XYZ	xyz(6.9590, 5.6963, 24.7726)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203F8A #8A6B20

analogous

#20748A #203F8A #36208A

triadic

#203F8A #8A203F #3F8A20

tetradic

#203F8A #8A2074 #8A6B20 #208A36

square

#203F8A #8A2074 #8A6B20 #208A36

split-complementary

#203F8A #8A3620 #748A20

monochromatic

#091227 #142858 #203F8A #2C56BC #4E76D6

Accessibility & contrast

On white

9.82

#203F8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#203F8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203F8A

9.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203F8A	#FFFFFF	#000000	##FFFFFF
##203F8A	1.00	9.82	2.14	9.82
#FFFFFF	9.82	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#08498D

Deuteranopia (green-blind)

#003F89

Tritanopia (blue-blind)

#00515E

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #203f8a;
/* rgb */ color: rgb(32, 63, 138);
/* oklch */ color: oklch(39.1% 0.131 264.3);

Tailwind

colors: {
  custom: {
    50: '#6c73ad',
    500: '#203f8a',
    950: '#000000',
  },
}

SCSS

$custom: #203f8a;
$custom-light: #6c73ad;
$custom-dark: #000000;

JSON

{
  "hex": "#203f8a",
  "rgb": {
    "r": 32,
    "g": 63,
    "b": 138
  },
  "hsl": {
    "h": 222.453,
    "s": 62.353,
    "l": 33.333
  },
  "oklch": {
    "l": 0.39072,
    "c": 0.13063,
    "h": 264.3
  },
  "luminance": 0.05697
}

Semantic roles & 50–950 ramp

primary

#203F8A

secondary

#B9994D

accent

#B642E5

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #203F8A

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

Preview Lab → · Contrast checker → · Palette generator →