#203B87#203B87

#203B87 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.0% C 0.132 H 265.6°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#203B87
RGB	rgb(32, 59, 135)
HSL	hsl(224, 62%, 33%)
HSV	hsv(224, 76%, 53%)
CMYK	cmyk(76.3%, 56.3%, 0%, 47.1%)
CIE-LAB	lab(27.25, 18.37, -45.52)
CIE-LCH	lch(27.25, 49.09, 291.97°)
OKLab	oklab(37.95% -0.01 -0.1312)
OKLCH	oklch(37.95% 0.132 265.6)
XYZ	xyz(6.5313, 5.1836, 23.5733)
Luminance	0.0518 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203B87 #876C20

analogous

#206E87 #203B87 #382087

triadic

#203B87 #87203B #3B8720

tetradic

#203B87 #87206E #876C20 #208738

square

#203B87 #87206E #876C20 #208738

split-complementary

#203B87 #873820 #6E8720

monochromatic

#091024 #142556 #203B87 #2C51B8 #4D70D5

Accessibility & contrast

On white

10.31

#203B87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#203B87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203B87

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203B87	#FFFFFF	#000000	##FFFFFF
##203B87	1.00	10.31	2.04	10.31
#FFFFFF	10.31	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458A

Deuteranopia (green-blind)

#003C85

Tritanopia (blue-blind)

#004E5B

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #203b87;
/* rgb */ color: rgb(32, 59, 135);
/* oklch */ color: oklch(38.0% 0.132 265.6);

Tailwind

colors: {
  custom: {
    50: '#6b70ab',
    500: '#203b87',
    950: '#000000',
  },
}

SCSS

$custom: #203b87;
$custom-light: #6b70ab;
$custom-dark: #000000;

JSON

{
  "hex": "#203b87",
  "rgb": {
    "r": 32,
    "g": 59,
    "b": 135
  },
  "hsl": {
    "h": 224.272,
    "s": 61.677,
    "l": 32.745
  },
  "oklch": {
    "l": 0.37954,
    "c": 0.13155,
    "h": 265.6
  },
  "luminance": 0.05184
}

Semantic roles & 50–950 ramp

primary

#203B87

secondary

#B89B4B

accent

#BA43E5

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #203B87

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

Preview Lab → · Contrast checker → · Palette generator →