#203A9D#203A9D

#203A9D is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.7% C 0.164 H 267.0°. Best body text is #FFFFFF at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#203A9D
RGB	rgb(32, 58, 157)
HSL	hsl(228, 66%, 37%)
HSV	hsv(228, 80%, 62%)
CMYK	cmyk(79.6%, 63.1%, 0%, 38.4%)
CIE-LAB	lab(28.82, 27.69, -56.49)
CIE-LCH	lch(28.82, 62.92, 296.12°)
OKLab	oklab(39.7% -0.0086 -0.1634)
OKLCH	oklch(39.7% 0.164 267)
XYZ	xyz(8.1924, 5.7666, 32.5730)
Luminance	0.0577 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203A9D #9D8320

analogous

#20799D #203A9D #45209D

triadic

#203A9D #9D203A #3A9D20

tetradic

#203A9D #9D2079 #9D8320 #209D45

square

#203A9D #9D2079 #9D8320 #209D45

split-complementary

#203A9D #9D4520 #799D20

monochromatic

#0B1437 #16276A #203A9D #2A4DD0 #5A75DD

Accessibility & contrast

On white

9.75

#203A9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#203A9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203A9D

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203A9D	#FFFFFF	#000000	##FFFFFF
##203A9D	1.00	9.75	2.15	9.75
#FFFFFF	9.75	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA0

Deuteranopia (green-blind)

#003E9B

Tritanopia (blue-blind)

#005466

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #203a9d;
/* rgb */ color: rgb(32, 58, 157);
/* oklch */ color: oklch(39.7% 0.164 267.0);

Tailwind

colors: {
  custom: {
    50: '#716fbb',
    500: '#203a9d',
    950: '#000000',
  },
}

SCSS

$custom: #203a9d;
$custom-light: #716fbb;
$custom-dark: #000000;

JSON

{
  "hex": "#203a9d",
  "rgb": {
    "r": 32,
    "g": 58,
    "b": 157
  },
  "hsl": {
    "h": 227.52,
    "s": 66.138,
    "l": 37.059
  },
  "oklch": {
    "l": 0.39697,
    "c": 0.16363,
    "h": 267
  },
  "luminance": 0.05768
}

Semantic roles & 50–950 ramp

primary

#203A9D

secondary

#C1AB57

accent

#C63FE9

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #203A9D

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

Preview Lab → · Contrast checker → · Palette generator →