#203A9F#203A9F

#203A9F is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.9% C 0.166 H 267.0°. Best body text is #FFFFFF at 9.69:1 contrast (WCAG AA passes).

Color values

HEX	#203A9F
RGB	rgb(32, 58, 159)
HSL	hsl(228, 66%, 37%)
HSV	hsv(228, 80%, 62%)
CMYK	cmyk(79.9%, 63.5%, 0%, 37.6%)
CIE-LAB	lab(28.99, 28.46, -57.42)
CIE-LCH	lch(28.99, 64.08, 296.37°)
OKLab	oklab(39.88% -0.0086 -0.1661)
OKLCH	oklch(39.88% 0.166 267)
XYZ	xyz(8.3645, 5.8354, 33.4797)
Luminance	0.0584 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203A9F #9F8520

analogous

#20799F #203A9F #46209F

triadic

#203A9F #9F203A #3A9F20

tetradic

#203A9F #9F2079 #9F8520 #209F46

square

#203A9F #9F2079 #9F8520 #209F46

split-complementary

#203A9F #9F4620 #799F20

monochromatic

#0B1539 #16276C #203A9F #2A4DD2 #5B76DE

Accessibility & contrast

On white

9.69

#203A9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#203A9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203A9F

9.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203A9F	#FFFFFF	#000000	##FFFFFF
##203A9F	1.00	9.69	2.17	9.69
#FFFFFF	9.69	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA2

Deuteranopia (green-blind)

#003F9D

Tritanopia (blue-blind)

#005467

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #203a9f;
/* rgb */ color: rgb(32, 58, 159);
/* oklch */ color: oklch(39.9% 0.166 267.0);

Tailwind

colors: {
  custom: {
    50: '#7170bc',
    500: '#203a9f',
    950: '#000000',
  },
}

SCSS

$custom: #203a9f;
$custom-light: #7170bc;
$custom-dark: #000000;

JSON

{
  "hex": "#203a9f",
  "rgb": {
    "r": 32,
    "g": 58,
    "b": 159
  },
  "hsl": {
    "h": 227.717,
    "s": 66.492,
    "l": 37.451
  },
  "oklch": {
    "l": 0.39883,
    "c": 0.16633,
    "h": 267
  },
  "luminance": 0.05836
}

Semantic roles & 50–950 ramp

primary

#203A9F

secondary

#C2AD59

accent

#C63EE9

background

#F7F6FB

surface

#EDECF7

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #203A9F

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

Preview Lab → · Contrast checker → · Palette generator →