#203B73#203B73

#203B73 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.4% C 0.102 H 263.0°. Best body text is #FFFFFF at 10.85:1 contrast (WCAG AA passes).

Color values

HEX	#203B73
RGB	rgb(32, 59, 115)
HSL	hsl(220, 56%, 29%)
HSV	hsv(220, 72%, 45%)
CMYK	cmyk(72.2%, 48.7%, 0%, 54.9%)
CIE-LAB	lab(25.78, 10.37, -35.32)
CIE-LCH	lch(25.78, 36.81, 286.36°)
OKLab	oklab(36.36% -0.0125 -0.1012)
OKLCH	oklch(36.36% 0.102 263)
XYZ	xyz(5.2530, 4.6723, 16.8413)
Luminance	0.0467 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203B73 #735820

analogous

#206573 #203B73 #2F2073

triadic

#203B73 #73203B #3B7320

tetradic

#203B73 #732065 #735820 #20732F

square

#203B73 #732065 #735820 #20732F

split-complementary

#203B73 #732F20 #657320

monochromatic

#070C18 #132243 #203B73 #2D54A3 #436FCB

Accessibility & contrast

On white

10.85

#203B73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#203B73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203B73

10.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203B73	#FFFFFF	#000000	##FFFFFF
##203B73	1.00	10.85	1.93	10.85
#FFFFFF	10.85	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E4175

Deuteranopia (green-blind)

#0D3972

Tritanopia (blue-blind)

#004851

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #203b73;
/* rgb */ color: rgb(32, 59, 115);
/* oklch */ color: oklch(36.4% 0.102 263.0);

Tailwind

colors: {
  custom: {
    50: '#66709c',
    500: '#203b73',
    950: '#000000',
  },
}

SCSS

$custom: #203b73;
$custom-light: #66709c;
$custom-dark: #000000;

JSON

{
  "hex": "#203b73",
  "rgb": {
    "r": 32,
    "g": 59,
    "b": 115
  },
  "hsl": {
    "h": 220.482,
    "s": 56.463,
    "l": 28.824
  },
  "oklch": {
    "l": 0.36365,
    "c": 0.10194,
    "h": 263
  },
  "luminance": 0.04673
}

Semantic roles & 50–950 ramp

primary

#203B73

secondary

#A78848

accent

#AE48E0

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #203B73

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

Preview Lab → · Contrast checker → · Palette generator →