#203F87#203F87

#203F87 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 38.8% C 0.126 H 263.9°. Best body text is #FFFFFF at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#203F87
RGB	rgb(32, 63, 135)
HSL	hsl(222, 62%, 33%)
HSV	hsv(222, 76%, 53%)
CMYK	cmyk(76.3%, 53.3%, 0%, 47.1%)
CIE-LAB	lab(28.41, 15.59, -43.65)
CIE-LCH	lch(28.41, 46.35, 289.66°)
OKLab	oklab(38.83% -0.0134 -0.1256)
OKLCH	oklch(38.83% 0.126 263.9)
XYZ	xyz(6.7448, 5.6106, 23.6445)
Luminance	0.0561 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203F87 #876820

analogous

#207287 #203F87 #352087

triadic

#203F87 #87203F #3F8720

tetradic

#203F87 #872072 #876820 #208735

square

#203F87 #872072 #876820 #208735

split-complementary

#203F87 #873520 #728720

monochromatic

#091124 #142856 #203F87 #2C56B8 #4D76D5

Accessibility & contrast

On white

9.90

#203F87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#203F87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203F87

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203F87	#FFFFFF	#000000	##FFFFFF
##203F87	1.00	9.90	2.12	9.90
#FFFFFF	9.90	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F488A

Deuteranopia (green-blind)

#003F86

Tritanopia (blue-blind)

#00505C

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #203f87;
/* rgb */ color: rgb(32, 63, 135);
/* oklch */ color: oklch(38.8% 0.126 263.9);

Tailwind

colors: {
  custom: {
    50: '#6b73aa',
    500: '#203f87',
    950: '#000000',
  },
}

SCSS

$custom: #203f87;
$custom-light: #6b73aa;
$custom-dark: #000000;

JSON

{
  "hex": "#203f87",
  "rgb": {
    "r": 32,
    "g": 63,
    "b": 135
  },
  "hsl": {
    "h": 221.942,
    "s": 61.677,
    "l": 32.745
  },
  "oklch": {
    "l": 0.3883,
    "c": 0.1263,
    "h": 263.9
  },
  "luminance": 0.05611
}

Semantic roles & 50–950 ramp

primary

#203F87

secondary

#B8974B

accent

#B443E5

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #203F87

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

Preview Lab → · Contrast checker → · Palette generator →