#203F8E#203F8E

#203F8E is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.4% C 0.136 H 264.7°. Best body text is #FFFFFF at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#203F8E
RGB	rgb(32, 63, 142)
HSL	hsl(223, 63%, 34%)
HSV	hsv(223, 77%, 56%)
CMYK	cmyk(77.5%, 55.6%, 0%, 44.3%)
CIE-LAB	lab(28.94, 18.38, -47.12)
CIE-LCH	lch(28.94, 50.57, 291.32°)
OKLab	oklab(39.4% -0.0127 -0.1358)
OKLCH	oklch(39.4% 0.136 264.7)
XYZ	xyz(7.2539, 5.8143, 26.3259)
Luminance	0.0582 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203F8E #8E6F20

analogous

#20768E #203F8E #38208E

triadic

#203F8E #8E203F #3F8E20

tetradic

#203F8E #8E2076 #8E6F20 #208E38

square

#203F8E #8E2076 #8E6F20 #208E38

split-complementary

#203F8E #8E3820 #768E20

monochromatic

#09132A #15295C #203F8E #2B55C0 #5177D8

Accessibility & contrast

On white

9.71

#203F8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#203F8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203F8E

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203F8E	#FFFFFF	#000000	##FFFFFF
##203F8E	1.00	9.71	2.16	9.71
#FFFFFF	9.71	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A91

Deuteranopia (green-blind)

#003F8C

Tritanopia (blue-blind)

#005260

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #203f8e;
/* rgb */ color: rgb(32, 63, 142);
/* oklch */ color: oklch(39.4% 0.136 264.7);

Tailwind

colors: {
  custom: {
    50: '#6d73b0',
    500: '#203f8e',
    950: '#000000',
  },
}

SCSS

$custom: #203f8e;
$custom-light: #6d73b0;
$custom-dark: #000000;

JSON

{
  "hex": "#203f8e",
  "rgb": {
    "r": 32,
    "g": 63,
    "b": 142
  },
  "hsl": {
    "h": 223.091,
    "s": 63.218,
    "l": 34.118
  },
  "oklch": {
    "l": 0.39401,
    "c": 0.13638,
    "h": 264.7
  },
  "luminance": 0.05815
}

Semantic roles & 50–950 ramp

primary

#203F8E

secondary

#BB9C4F

accent

#B842E6

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #203F8E

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

Preview Lab → · Contrast checker → · Palette generator →