#203F73#203F73

#203F73 is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.3% C 0.097 H 260.1°. Best body text is #FFFFFF at 10.40:1 contrast (WCAG AA passes).

Color values

HEX	#203F73
RGB	rgb(32, 63, 115)
HSL	hsl(218, 56%, 29%)
HSV	hsv(218, 72%, 45%)
CMYK	cmyk(72.2%, 45.2%, 0%, 54.9%)
CIE-LAB	lab(27.02, 7.59, -33.34)
CIE-LCH	lch(27.02, 34.20, 282.82°)
OKLab	oklab(37.32% -0.0166 -0.0953)
OKLCH	oklch(37.32% 0.097 260.1)
XYZ	xyz(5.4666, 5.0993, 16.9125)
Luminance	0.0510 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203F73 #735420

analogous

#206973 #203F73 #2A2073

triadic

#203F73 #73203F #3F7320

tetradic

#203F73 #732069 #735420 #20732A

square

#203F73 #732069 #735420 #20732A

split-complementary

#203F73 #732A20 #697320

monochromatic

#070D18 #132543 #203F73 #2D59A3 #4376CB

Accessibility & contrast

On white

10.40

#203F73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#203F73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203F73

10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203F73	#FFFFFF	#000000	##FFFFFF
##203F73	1.00	10.40	2.02	10.40
#FFFFFF	10.40	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#264475

Deuteranopia (green-blind)

#183C72

Tritanopia (blue-blind)

#004B53

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #203f73;
/* rgb */ color: rgb(32, 63, 115);
/* oklch */ color: oklch(37.3% 0.097 260.1);

Tailwind

colors: {
  custom: {
    50: '#66739b',
    500: '#203f73',
    950: '#000000',
  },
}

SCSS

$custom: #203f73;
$custom-light: #66739b;
$custom-dark: #000000;

JSON

{
  "hex": "#203f73",
  "rgb": {
    "r": 32,
    "g": 63,
    "b": 115
  },
  "hsl": {
    "h": 217.59,
    "s": 56.463,
    "l": 28.824
  },
  "oklch": {
    "l": 0.37317,
    "c": 0.0967,
    "h": 260.1
  },
  "luminance": 0.051
}

Semantic roles & 50–950 ramp

primary

#203F73

secondary

#A78348

accent

#A748E0

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #203F73

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

Preview Lab → · Contrast checker → · Palette generator →