#203A73#203A73

#203A73 is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.1% C 0.103 H 263.6°. Best body text is #FFFFFF at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#203A73
RGB	rgb(32, 58, 115)
HSL	hsl(221, 56%, 29%)
HSV	hsv(221, 72%, 45%)
CMYK	cmyk(72.2%, 49.6%, 0%, 54.9%)
CIE-LAB	lab(25.47, 11.07, -35.81)
CIE-LCH	lch(25.47, 37.49, 287.18°)
OKLab	oklab(36.13% -0.0115 -0.1026)
OKLCH	oklch(36.13% 0.103 263.6)
XYZ	xyz(5.2021, 4.5705, 16.8244)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203A73 #735920

analogous

#206473 #203A73 #302073

triadic

#203A73 #73203A #3A7320

tetradic

#203A73 #732064 #735920 #207330

square

#203A73 #732064 #735920 #207330

split-complementary

#203A73 #733020 #647320

monochromatic

#070C18 #132243 #203A73 #2D52A3 #436DCB

Accessibility & contrast

On white

10.97

#203A73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#203A73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203A73

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203A73	#FFFFFF	#000000	##FFFFFF
##203A73	1.00	10.97	1.91	10.97
#FFFFFF	10.97	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C4075

Deuteranopia (green-blind)

#093972

Tritanopia (blue-blind)

#004751

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #203a73;
/* rgb */ color: rgb(32, 58, 115);
/* oklch */ color: oklch(36.1% 0.103 263.6);

Tailwind

colors: {
  custom: {
    50: '#676f9c',
    500: '#203a73',
    950: '#000000',
  },
}

SCSS

$custom: #203a73;
$custom-light: #676f9c;
$custom-dark: #000000;

JSON

{
  "hex": "#203a73",
  "rgb": {
    "r": 32,
    "g": 58,
    "b": 115
  },
  "hsl": {
    "h": 221.205,
    "s": 56.463,
    "l": 28.824
  },
  "oklch": {
    "l": 0.36131,
    "c": 0.10327,
    "h": 263.6
  },
  "luminance": 0.04571
}

Semantic roles & 50–950 ramp

primary

#203A73

secondary

#A78948

accent

#B048E0

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #203A73

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

Preview Lab → · Contrast checker → · Palette generator →