#203E78#203E78

#203E78 is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.4% C 0.105 H 262.0°. Best body text is #FFFFFF at 10.39:1 contrast (WCAG AA passes).

Color values

HEX	#203E78
RGB	rgb(32, 62, 120)
HSL	hsl(220, 58%, 30%)
HSV	hsv(220, 73%, 47%)
CMYK	cmyk(73.3%, 48.3%, 0%, 52.9%)
CIE-LAB	lab(27.04, 10.28, -36.47)
CIE-LCH	lch(27.04, 37.89, 285.74°)
OKLab	oklab(37.44% -0.0146 -0.1045)
OKLCH	oklch(37.44% 0.106 262)
XYZ	xyz(5.7072, 5.1078, 18.4508)
Luminance	0.0511 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203E78 #785A20

analogous

#206A78 #203E78 #2E2078

triadic

#203E78 #78203E #3E7820

tetradic

#203E78 #78206A #785A20 #20782E

square

#203E78 #78206A #785A20 #20782E

split-complementary

#203E78 #782E20 #6A7820

monochromatic

#060C18 #132548 #203E78 #2D57A8 #4574CD

Accessibility & contrast

On white

10.39

#203E78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#203E78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203E78

10.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203E78	#FFFFFF	#000000	##FFFFFF
##203E78	1.00	10.39	2.02	10.39
#FFFFFF	10.39	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#20447A

Deuteranopia (green-blind)

#0D3C77

Tritanopia (blue-blind)

#004C55

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #203e78;
/* rgb */ color: rgb(32, 62, 120);
/* oklch */ color: oklch(37.4% 0.105 262.0);

Tailwind

colors: {
  custom: {
    50: '#67729f',
    500: '#203e78',
    950: '#000000',
  },
}

SCSS

$custom: #203e78;
$custom-light: #67729f;
$custom-dark: #000000;

JSON

{
  "hex": "#203e78",
  "rgb": {
    "r": 32,
    "g": 62,
    "b": 120
  },
  "hsl": {
    "h": 219.545,
    "s": 57.895,
    "l": 29.804
  },
  "oklch": {
    "l": 0.37442,
    "c": 0.1055,
    "h": 262
  },
  "luminance": 0.05108
}

Semantic roles & 50–950 ramp

primary

#203E78

secondary

#AB8A48

accent

#AC47E1

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #203E78

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

Preview Lab → · Contrast checker → · Palette generator →