#203D9F#203D9F

#203D9F is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.5% C 0.163 H 266.3°. Best body text is #FFFFFF at 9.42:1 contrast (WCAG AA passes).

Color values

HEX	#203D9F
RGB	rgb(32, 61, 159)
HSL	hsl(226, 66%, 37%)
HSV	hsv(226, 80%, 62%)
CMYK	cmyk(79.9%, 61.6%, 0%, 37.6%)
CIE-LAB	lab(29.78, 26.45, -56.13)
CIE-LCH	lch(29.78, 62.05, 295.23°)
OKLab	oklab(40.47% -0.0105 -0.1623)
OKLCH	oklch(40.47% 0.163 266.3)
XYZ	xyz(8.5202, 6.1468, 33.5316)
Luminance	0.0615 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203D9F #9F8220

analogous

#207D9F #203D9F #42209F

triadic

#203D9F #9F203D #3D9F20

tetradic

#203D9F #9F207D #9F8220 #209F42

square

#203D9F #9F207D #9F8220 #209F42

split-complementary

#203D9F #9F4220 #7D9F20

monochromatic

#0B1639 #16296C #203D9F #2A51D2 #5B79DE

Accessibility & contrast

On white

9.42

#203D9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#203D9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203D9F

9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203D9F	#FFFFFF	#000000	##FFFFFF
##203D9F	1.00	9.42	2.23	9.42
#FFFFFF	9.42	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA2

Deuteranopia (green-blind)

#00409D

Tritanopia (blue-blind)

#005668

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #203d9f;
/* rgb */ color: rgb(32, 61, 159);
/* oklch */ color: oklch(40.5% 0.163 266.3);

Tailwind

colors: {
  custom: {
    50: '#7172bc',
    500: '#203d9f',
    950: '#000000',
  },
}

SCSS

$custom: #203d9f;
$custom-light: #7172bc;
$custom-dark: #000000;

JSON

{
  "hex": "#203d9f",
  "rgb": {
    "r": 32,
    "g": 61,
    "b": 159
  },
  "hsl": {
    "h": 226.299,
    "s": 66.492,
    "l": 37.451
  },
  "oklch": {
    "l": 0.40466,
    "c": 0.16263,
    "h": 266.3
  },
  "luminance": 0.06148
}

Semantic roles & 50–950 ramp

primary

#203D9F

secondary

#C2AA59

accent

#C23EE9

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #203D9F

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

Preview Lab → · Contrast checker → · Palette generator →