#203B8B#203B8B

#203B8B is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.3% C 0.137 H 265.9°. Best body text is #FFFFFF at 10.20:1 contrast (WCAG AA passes).

Color values

HEX	#203B8B
RGB	rgb(32, 59, 139)
HSL	hsl(225, 63%, 34%)
HSV	hsv(225, 77%, 55%)
CMYK	cmyk(77%, 57.6%, 0%, 45.5%)
CIE-LAB	lab(27.57, 19.96, -47.49)
CIE-LCH	lch(27.57, 51.51, 292.80°)
OKLab	oklab(38.29% -0.0097 -0.1369)
OKLCH	oklch(38.29% 0.137 265.9)
XYZ	xyz(6.8182, 5.2983, 25.0844)
Luminance	0.0530 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203B8B #8B7020

analogous

#20708B #203B8B #3A208B

triadic

#203B8B #8B203B #3B8B20

tetradic

#203B8B #8B2070 #8B7020 #208B3A

square

#203B8B #8B2070 #8B7020 #208B3A

split-complementary

#203B8B #8B3A20 #708B20

monochromatic

#091128 #152659 #203B8B #2B50BD #4F71D6

Accessibility & contrast

On white

10.20

#203B8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#203B8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203B8B

10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203B8B	#FFFFFF	#000000	##FFFFFF
##203B8B	1.00	10.20	2.06	10.20
#FFFFFF	10.20	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00468E

Deuteranopia (green-blind)

#003C89

Tritanopia (blue-blind)

#004F5D

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #203b8b;
/* rgb */ color: rgb(32, 59, 139);
/* oklch */ color: oklch(38.3% 0.137 265.9);

Tailwind

colors: {
  custom: {
    50: '#6c70ae',
    500: '#203b8b',
    950: '#000000',
  },
}

SCSS

$custom: #203b8b;
$custom-light: #6c70ae;
$custom-dark: #000000;

JSON

{
  "hex": "#203b8b",
  "rgb": {
    "r": 32,
    "g": 59,
    "b": 139
  },
  "hsl": {
    "h": 224.86,
    "s": 62.573,
    "l": 33.529
  },
  "oklch": {
    "l": 0.38292,
    "c": 0.1373,
    "h": 265.9
  },
  "luminance": 0.05299
}

Semantic roles & 50–950 ramp

primary

#203B8B

secondary

#BA9E4D

accent

#BC42E6

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #203B8B

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

Preview Lab → · Contrast checker → · Palette generator →