#203F89#203F89

#203F89 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.0% C 0.129 H 264.2°. Best body text is #FFFFFF at 9.84:1 contrast (WCAG AA passes).

Color values

HEX	#203F89
RGB	rgb(32, 63, 137)
HSL	hsl(222, 62%, 33%)
HSV	hsv(222, 77%, 54%)
CMYK	cmyk(76.6%, 54%, 0%, 46.3%)
CIE-LAB	lab(28.56, 16.39, -44.65)
CIE-LCH	lch(28.56, 47.56, 290.16°)
OKLab	oklab(38.99% -0.0132 -0.1285)
OKLCH	oklch(38.99% 0.129 264.2)
XYZ	xyz(6.8869, 5.6675, 24.3930)
Luminance	0.0567 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203F89 #896A20

analogous

#207389 #203F89 #362089

triadic

#203F89 #89203F #3F8920

tetradic

#203F89 #892073 #896A20 #208936

square

#203F89 #892073 #896A20 #208936

split-complementary

#203F89 #893620 #738920

monochromatic

#091126 #142857 #203F89 #2C56BB #4E76D6

Accessibility & contrast

On white

9.84

#203F89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#203F89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203F89

9.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203F89	#FFFFFF	#000000	##FFFFFF
##203F89	1.00	9.84	2.13	9.84
#FFFFFF	9.84	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B488C

Deuteranopia (green-blind)

#003F88

Tritanopia (blue-blind)

#00515D

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #203f89;
/* rgb */ color: rgb(32, 63, 137);
/* oklch */ color: oklch(39.0% 0.129 264.2);

Tailwind

colors: {
  custom: {
    50: '#6b73ac',
    500: '#203f89',
    950: '#000000',
  },
}

SCSS

$custom: #203f89;
$custom-light: #6b73ac;
$custom-dark: #000000;

JSON

{
  "hex": "#203f89",
  "rgb": {
    "r": 32,
    "g": 63,
    "b": 137
  },
  "hsl": {
    "h": 222.286,
    "s": 62.13,
    "l": 33.137
  },
  "oklch": {
    "l": 0.38991,
    "c": 0.12919,
    "h": 264.2
  },
  "luminance": 0.05668
}

Semantic roles & 50–950 ramp

primary

#203F89

secondary

#B9994C

accent

#B543E5

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #203F89

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

Preview Lab → · Contrast checker → · Palette generator →