#203D8B#203D8B

#203D8B is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.7% C 0.135 H 265.2°. Best body text is #FFFFFF at 9.99:1 contrast (WCAG AA passes).

Color values

HEX	#203D8B
RGB	rgb(32, 61, 139)
HSL	hsl(224, 63%, 34%)
HSV	hsv(224, 77%, 55%)
CMYK	cmyk(77%, 56.1%, 0%, 45.5%)
CIE-LAB	lab(28.14, 18.57, -46.57)
CIE-LCH	lch(28.14, 50.13, 291.74°)
OKLab	oklab(38.72% -0.0113 -0.1342)
OKLCH	oklch(38.72% 0.135 265.2)
XYZ	xyz(6.9230, 5.5079, 25.1194)
Luminance	0.0551 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203D8B #8B6E20

analogous

#20728B #203D8B #38208B

triadic

#203D8B #8B203D #3D8B20

tetradic

#203D8B #8B2072 #8B6E20 #208B38

square

#203D8B #8B2072 #8B6E20 #208B38

split-complementary

#203D8B #8B3820 #728B20

monochromatic

#091128 #152759 #203D8B #2B53BD #4F74D6

Accessibility & contrast

On white

9.99

#203D8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#203D8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203D8B

9.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203D8B	#FFFFFF	#000000	##FFFFFF
##203D8B	1.00	9.99	2.10	9.99
#FFFFFF	9.99	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00488E

Deuteranopia (green-blind)

#003E89

Tritanopia (blue-blind)

#00505E

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #203d8b;
/* rgb */ color: rgb(32, 61, 139);
/* oklch */ color: oklch(38.7% 0.135 265.2);

Tailwind

colors: {
  custom: {
    50: '#6c72ad',
    500: '#203d8b',
    950: '#000000',
  },
}

SCSS

$custom: #203d8b;
$custom-light: #6c72ad;
$custom-dark: #000000;

JSON

{
  "hex": "#203d8b",
  "rgb": {
    "r": 32,
    "g": 61,
    "b": 139
  },
  "hsl": {
    "h": 223.738,
    "s": 62.573,
    "l": 33.529
  },
  "oklch": {
    "l": 0.3872,
    "c": 0.13469,
    "h": 265.2
  },
  "luminance": 0.05509
}

Semantic roles & 50–950 ramp

primary

#203D8B

secondary

#BA9C4D

accent

#B942E6

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #203D8B

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

Preview Lab → · Contrast checker → · Palette generator →