#203B91#203B91

#203B91 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.8% C 0.146 H 266.3°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#203B91
RGB	rgb(32, 59, 145)
HSL	hsl(226, 64%, 35%)
HSV	hsv(226, 78%, 57%)
CMYK	cmyk(77.9%, 59.3%, 0%, 43.1%)
CIE-LAB	lab(28.06, 22.33, -50.40)
CIE-LCH	lch(28.06, 55.12, 293.90°)
OKLab	oklab(38.81% -0.0095 -0.1455)
OKLCH	oklch(38.81% 0.146 266.3)
XYZ	xyz(7.2687, 5.4785, 27.4570)
Luminance	0.0548 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203B91 #917620

analogous

#207391 #203B91 #3E2091

triadic

#203B91 #91203B #3B9120

tetradic

#203B91 #912073 #917620 #20913E

square

#203B91 #912073 #917620 #20913E

split-complementary

#203B91 #913E20 #739120

monochromatic

#0A122D #15275F #203B91 #2B4FC3 #5273D9

Accessibility & contrast

On white

10.02

#203B91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#203B91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203B91

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203B91	#FFFFFF	#000000	##FFFFFF
##203B91	1.00	10.02	2.10	10.02
#FFFFFF	10.02	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004894

Deuteranopia (green-blind)

#003D8F

Tritanopia (blue-blind)

#005160

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #203b91;
/* rgb */ color: rgb(32, 59, 145);
/* oklch */ color: oklch(38.8% 0.146 266.3);

Tailwind

colors: {
  custom: {
    50: '#6e70b2',
    500: '#203b91',
    950: '#000000',
  },
}

SCSS

$custom: #203b91;
$custom-light: #6e70b2;
$custom-dark: #000000;

JSON

{
  "hex": "#203b91",
  "rgb": {
    "r": 32,
    "g": 59,
    "b": 145
  },
  "hsl": {
    "h": 225.664,
    "s": 63.842,
    "l": 34.706
  },
  "oklch": {
    "l": 0.38812,
    "c": 0.14581,
    "h": 266.3
  },
  "luminance": 0.05479
}

Semantic roles & 50–950 ramp

primary

#203B91

secondary

#BCA351

accent

#BF41E7

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #203B91

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

Preview Lab → · Contrast checker → · Palette generator →