#203F8F#203F8F

#203F8F is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.5% C 0.138 H 264.8°. Best body text is #FFFFFF at 9.68:1 contrast (WCAG AA passes).

Color values

HEX	#203F8F
RGB	rgb(32, 63, 143)
HSL	hsl(223, 63%, 34%)
HSV	hsv(223, 78%, 56%)
CMYK	cmyk(77.6%, 55.9%, 0%, 43.9%)
CIE-LAB	lab(29.02, 18.78, -47.60)
CIE-LCH	lch(29.02, 51.18, 291.53°)
OKLab	oklab(39.48% -0.0126 -0.1372)
OKLCH	oklch(39.48% 0.138 264.8)
XYZ	xyz(7.3293, 5.8444, 26.7231)
Luminance	0.0585 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203F8F #8F7020

analogous

#20778F #203F8F #38208F

triadic

#203F8F #8F203F #3F8F20

tetradic

#203F8F #8F2077 #8F7020 #208F38

square

#203F8F #8F2077 #8F7020 #208F38

split-complementary

#203F8F #8F3820 #778F20

monochromatic

#0A132B #15295D #203F8F #2B55C1 #5177D8

Accessibility & contrast

On white

9.68

#203F8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#203F8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203F8F

9.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203F8F	#FFFFFF	#000000	##FFFFFF
##203F8F	1.00	9.68	2.17	9.68
#FFFFFF	9.68	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A92

Deuteranopia (green-blind)

#00408D

Tritanopia (blue-blind)

#005360

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #203f8f;
/* rgb */ color: rgb(32, 63, 143);
/* oklch */ color: oklch(39.5% 0.138 264.8);

Tailwind

colors: {
  custom: {
    50: '#6d73b0',
    500: '#203f8f',
    950: '#000000',
  },
}

SCSS

$custom: #203f8f;
$custom-light: #6d73b0;
$custom-dark: #000000;

JSON

{
  "hex": "#203f8f",
  "rgb": {
    "r": 32,
    "g": 63,
    "b": 143
  },
  "hsl": {
    "h": 223.243,
    "s": 63.429,
    "l": 34.314
  },
  "oklch": {
    "l": 0.39484,
    "c": 0.13781,
    "h": 264.8
  },
  "luminance": 0.05845
}

Semantic roles & 50–950 ramp

primary

#203F8F

secondary

#BB9D4F

accent

#B841E6

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#080811

muted

#7B7B80

Preview Lab

Preview with #203F8F

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

Preview Lab → · Contrast checker → · Palette generator →