#203A9E#203A9E

#203A9E is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.8% C 0.165 H 267.0°. Best body text is #FFFFFF at 9.72:1 contrast (WCAG AA passes).

Color values

HEX	#203A9E
RGB	rgb(32, 58, 158)
HSL	hsl(228, 66%, 37%)
HSV	hsv(228, 80%, 62%)
CMYK	cmyk(79.7%, 63.3%, 0%, 38%)
CIE-LAB	lab(28.90, 28.08, -56.95)
CIE-LCH	lch(28.90, 63.50, 296.24°)
OKLab	oklab(39.79% -0.0086 -0.1647)
OKLCH	oklch(39.79% 0.165 267)
XYZ	xyz(8.2781, 5.8009, 33.0245)
Luminance	0.0580 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203A9E #9E8420

analogous

#20799E #203A9E #45209E

triadic

#203A9E #9E203A #3A9E20

tetradic

#203A9E #9E2079 #9E8420 #209E45

square

#203A9E #9E2079 #9E8420 #209E45

split-complementary

#203A9E #9E4520 #799E20

monochromatic

#0B1538 #16276B #203A9E #2A4DD1 #5B76DE

Accessibility & contrast

On white

9.72

#203A9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#203A9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203A9E

9.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203A9E	#FFFFFF	#000000	##FFFFFF
##203A9E	1.00	9.72	2.16	9.72
#FFFFFF	9.72	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA1

Deuteranopia (green-blind)

#003E9C

Tritanopia (blue-blind)

#005466

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #203a9e;
/* rgb */ color: rgb(32, 58, 158);
/* oklch */ color: oklch(39.8% 0.165 267.0);

Tailwind

colors: {
  custom: {
    50: '#716fbc',
    500: '#203a9e',
    950: '#000000',
  },
}

SCSS

$custom: #203a9e;
$custom-light: #716fbc;
$custom-dark: #000000;

JSON

{
  "hex": "#203a9e",
  "rgb": {
    "r": 32,
    "g": 58,
    "b": 158
  },
  "hsl": {
    "h": 227.619,
    "s": 66.316,
    "l": 37.255
  },
  "oklch": {
    "l": 0.3979,
    "c": 0.16498,
    "h": 267
  },
  "luminance": 0.05802
}

Semantic roles & 50–950 ramp

primary

#203A9E

secondary

#C2AC58

accent

#C63FE9

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #203A9E

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

Preview Lab → · Contrast checker → · Palette generator →