#203B8F#203B8F

#203B8F is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.6% C 0.143 H 266.2°. Best body text is #FFFFFF at 10.08:1 contrast (WCAG AA passes).

Color values

HEX	#203B8F
RGB	rgb(32, 59, 143)
HSL	hsl(225, 63%, 34%)
HSV	hsv(225, 78%, 56%)
CMYK	cmyk(77.6%, 58.7%, 0%, 43.9%)
CIE-LAB	lab(27.89, 21.54, -49.43)
CIE-LCH	lch(27.89, 53.92, 293.55°)
OKLab	oklab(38.64% -0.0095 -0.1427)
OKLCH	oklch(38.64% 0.143 266.2)
XYZ	xyz(7.1158, 5.4174, 26.6519)
Luminance	0.0542 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203B8F #8F7420

analogous

#20738F #203B8F #3C208F

triadic

#203B8F #8F203B #3B8F20

tetradic

#203B8F #8F2073 #8F7420 #208F3C

square

#203B8F #8F2073 #8F7420 #208F3C

split-complementary

#203B8F #8F3C20 #738F20

monochromatic

#0A122B #15265D #203B8F #2B50C1 #5172D8

Accessibility & contrast

On white

10.08

#203B8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#203B8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203B8F

10.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203B8F	#FFFFFF	#000000	##FFFFFF
##203B8F	1.00	10.08	2.08	10.08
#FFFFFF	10.08	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004792

Deuteranopia (green-blind)

#003D8D

Tritanopia (blue-blind)

#00505F

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #203b8f;
/* rgb */ color: rgb(32, 59, 143);
/* oklch */ color: oklch(38.6% 0.143 266.2);

Tailwind

colors: {
  custom: {
    50: '#6d70b0',
    500: '#203b8f',
    950: '#000000',
  },
}

SCSS

$custom: #203b8f;
$custom-light: #6d70b0;
$custom-dark: #000000;

JSON

{
  "hex": "#203b8f",
  "rgb": {
    "r": 32,
    "g": 59,
    "b": 143
  },
  "hsl": {
    "h": 225.405,
    "s": 63.429,
    "l": 34.314
  },
  "oklch": {
    "l": 0.38637,
    "c": 0.14298,
    "h": 266.2
  },
  "luminance": 0.05418
}

Semantic roles & 50–950 ramp

primary

#203B8F

secondary

#BBA14F

accent

#BE41E6

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#080711

muted

#7B7A80

Preview Lab

Preview with #203B8F

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

Preview Lab → · Contrast checker → · Palette generator →