#203A91#203A91

#203A91 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.6% C 0.147 H 266.6°. Best body text is #FFFFFF at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#203A91
RGB	rgb(32, 58, 145)
HSL	hsl(226, 64%, 35%)
HSV	hsv(226, 78%, 57%)
CMYK	cmyk(77.9%, 60%, 0%, 43.1%)
CIE-LAB	lab(27.78, 23.02, -50.84)
CIE-LCH	lch(27.78, 55.81, 294.36°)
OKLab	oklab(38.61% -0.0087 -0.1468)
OKLCH	oklch(38.61% 0.147 266.6)
XYZ	xyz(7.2178, 5.3767, 27.4400)
Luminance	0.0538 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203A91 #917720

analogous

#207291 #203A91 #3F2091

triadic

#203A91 #91203A #3A9120

tetradic

#203A91 #912072 #917720 #20913F

square

#203A91 #912072 #917720 #20913F

split-complementary

#203A91 #913F20 #729120

monochromatic

#0A122D #15265F #203A91 #2B4EC3 #5271D9

Accessibility & contrast

On white

10.12

#203A91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#203A91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203A91

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203A91	#FFFFFF	#000000	##FFFFFF
##203A91	1.00	10.12	2.08	10.12
#FFFFFF	10.12	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004794

Deuteranopia (green-blind)

#003D8F

Tritanopia (blue-blind)

#00505F

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #203a91;
/* rgb */ color: rgb(32, 58, 145);
/* oklch */ color: oklch(38.6% 0.147 266.6);

Tailwind

colors: {
  custom: {
    50: '#6e6fb2',
    500: '#203a91',
    950: '#000000',
  },
}

SCSS

$custom: #203a91;
$custom-light: #6e6fb2;
$custom-dark: #000000;

JSON

{
  "hex": "#203a91",
  "rgb": {
    "r": 32,
    "g": 58,
    "b": 145
  },
  "hsl": {
    "h": 226.195,
    "s": 63.842,
    "l": 34.706
  },
  "oklch": {
    "l": 0.38607,
    "c": 0.14708,
    "h": 266.6
  },
  "luminance": 0.05378
}

Semantic roles & 50–950 ramp

primary

#203A91

secondary

#BCA351

accent

#C141E7

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #203A91

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

Preview Lab → · Contrast checker → · Palette generator →