#203B88#203B88

#203B88 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.0% C 0.133 H 265.7°. Best body text is #FFFFFF at 10.28:1 contrast (WCAG AA passes).

Color values

HEX	#203B88
RGB	rgb(32, 59, 136)
HSL	hsl(224, 62%, 33%)
HSV	hsv(224, 76%, 53%)
CMYK	cmyk(76.5%, 56.6%, 0%, 46.7%)
CIE-LAB	lab(27.33, 18.77, -46.01)
CIE-LCH	lch(27.33, 49.69, 292.19°)
OKLab	oklab(38.04% -0.0099 -0.1326)
OKLCH	oklch(38.04% 0.133 265.7)
XYZ	xyz(6.6020, 5.2119, 23.9458)
Luminance	0.0521 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203B88 #886D20

analogous

#206F88 #203B88 #392088

triadic

#203B88 #88203B #3B8820

tetradic

#203B88 #88206F #886D20 #208839

square

#203B88 #88206F #886D20 #208839

split-complementary

#203B88 #883920 #6F8820

monochromatic

#091025 #142656 #203B88 #2C50BA #4D71D5

Accessibility & contrast

On white

10.28

#203B88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#203B88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203B88

10.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203B88	#FFFFFF	#000000	##FFFFFF
##203B88	1.00	10.28	2.04	10.28
#FFFFFF	10.28	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00468B

Deuteranopia (green-blind)

#003C86

Tritanopia (blue-blind)

#004E5B

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #203b88;
/* rgb */ color: rgb(32, 59, 136);
/* oklch */ color: oklch(38.0% 0.133 265.7);

Tailwind

colors: {
  custom: {
    50: '#6c70ab',
    500: '#203b88',
    950: '#000000',
  },
}

SCSS

$custom: #203b88;
$custom-light: #6c70ab;
$custom-dark: #000000;

JSON

{
  "hex": "#203b88",
  "rgb": {
    "r": 32,
    "g": 59,
    "b": 136
  },
  "hsl": {
    "h": 224.423,
    "s": 61.905,
    "l": 32.941
  },
  "oklch": {
    "l": 0.38038,
    "c": 0.13299,
    "h": 265.7
  },
  "luminance": 0.05213
}

Semantic roles & 50–950 ramp

primary

#203B88

secondary

#B89C4C

accent

#BB43E5

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #203B88

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

Preview Lab → · Contrast checker → · Palette generator →