#203F91#203F91

#203F91 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.7% C 0.141 H 264.9°. Best body text is #FFFFFF at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#203F91
RGB	rgb(32, 63, 145)
HSL	hsl(224, 64%, 35%)
HSV	hsv(224, 78%, 57%)
CMYK	cmyk(77.9%, 56.6%, 0%, 43.1%)
CIE-LAB	lab(29.17, 19.58, -48.58)
CIE-LCH	lch(29.17, 52.38, 291.95°)
OKLab	oklab(39.65% -0.0124 -0.1401)
OKLCH	oklch(39.65% 0.141 264.9)
XYZ	xyz(7.4822, 5.9056, 27.5281)
Luminance	0.0591 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203F91 #917220

analogous

#207891 #203F91 #3A2091

triadic

#203F91 #91203F #3F9120

tetradic

#203F91 #912078 #917220 #20913A

square

#203F91 #912078 #917220 #20913A

split-complementary

#203F91 #913A20 #789120

monochromatic

#0A132D #15295F #203F91 #2B55C3 #5277D9

Accessibility & contrast

On white

9.63

#203F91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#203F91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203F91

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203F91	#FFFFFF	#000000	##FFFFFF
##203F91	1.00	9.63	2.18	9.63
#FFFFFF	9.63	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A94

Deuteranopia (green-blind)

#00408F

Tritanopia (blue-blind)

#005361

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #203f91;
/* rgb */ color: rgb(32, 63, 145);
/* oklch */ color: oklch(39.7% 0.141 264.9);

Tailwind

colors: {
  custom: {
    50: '#6d73b2',
    500: '#203f91',
    950: '#000000',
  },
}

SCSS

$custom: #203f91;
$custom-light: #6d73b2;
$custom-dark: #000000;

JSON

{
  "hex": "#203f91",
  "rgb": {
    "r": 32,
    "g": 63,
    "b": 145
  },
  "hsl": {
    "h": 223.54,
    "s": 63.842,
    "l": 34.706
  },
  "oklch": {
    "l": 0.39651,
    "c": 0.14064,
    "h": 264.9
  },
  "luminance": 0.05906
}

Semantic roles & 50–950 ramp

primary

#203F91

secondary

#BC9F51

accent

#B941E7

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #203F91

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

Preview Lab → · Contrast checker → · Palette generator →