#203F83#203F83

#203F83 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.5% C 0.120 H 263.4°. Best body text is #FFFFFF at 10.00:1 contrast (WCAG AA passes).

Color values

HEX	#203F83
RGB	rgb(32, 63, 131)
HSL	hsl(221, 61%, 32%)
HSV	hsv(221, 76%, 51%)
CMYK	cmyk(75.6%, 51.9%, 0%, 48.6%)
CIE-LAB	lab(28.11, 13.99, -41.63)
CIE-LCH	lch(28.11, 43.92, 288.57°)
OKLab	oklab(38.51% -0.0139 -0.1197)
OKLCH	oklch(38.51% 0.12 263.4)
XYZ	xyz(6.4684, 5.5001, 22.1890)
Luminance	0.0550 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203F83 #836420

analogous

#207183 #203F83 #332083

triadic

#203F83 #83203F #3F8320

tetradic

#203F83 #832071 #836420 #208333

square

#203F83 #832071 #836420 #208333

split-complementary

#203F83 #833320 #718320

monochromatic

#081021 #142752 #203F83 #2C57B4 #4A75D3

Accessibility & contrast

On white

10.00

#203F83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#203F83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203F83

10.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203F83	#FFFFFF	#000000	##FFFFFF
##203F83	1.00	10.00	2.10	10.00
#FFFFFF	10.00	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#164785

Deuteranopia (green-blind)

#003E82

Tritanopia (blue-blind)

#004F5A

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #203f83;
/* rgb */ color: rgb(32, 63, 131);
/* oklch */ color: oklch(38.5% 0.120 263.4);

Tailwind

colors: {
  custom: {
    50: '#6a73a7',
    500: '#203f83',
    950: '#000000',
  },
}

SCSS

$custom: #203f83;
$custom-light: #6a73a7;
$custom-dark: #000000;

JSON

{
  "hex": "#203f83",
  "rgb": {
    "r": 32,
    "g": 63,
    "b": 131
  },
  "hsl": {
    "h": 221.212,
    "s": 60.736,
    "l": 31.961
  },
  "oklch": {
    "l": 0.38513,
    "c": 0.12046,
    "h": 263.4
  },
  "luminance": 0.05501
}

Semantic roles & 50–950 ramp

primary

#203F83

secondary

#B69449

accent

#B244E4

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #203F83

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

Preview Lab → · Contrast checker → · Palette generator →