#203D78#203D78

#203D78 is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.2% C 0.107 H 262.7°. Best body text is #FFFFFF at 10.50:1 contrast (WCAG AA passes).

Color values

HEX	#203D78
RGB	rgb(32, 61, 120)
HSL	hsl(220, 58%, 30%)
HSV	hsv(220, 73%, 47%)
CMYK	cmyk(73.3%, 49.2%, 0%, 52.9%)
CIE-LAB	lab(26.73, 10.97, -36.96)
CIE-LCH	lch(26.73, 38.55, 286.54°)
OKLab	oklab(37.21% -0.0136 -0.1059)
OKLCH	oklch(37.21% 0.107 262.7)
XYZ	xyz(5.6534, 5.0000, 18.4328)
Luminance	0.0500 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203D78 #785B20

analogous

#206978 #203D78 #2F2078

triadic

#203D78 #78203D #3D7820

tetradic

#203D78 #782069 #785B20 #20782F

square

#203D78 #782069 #785B20 #20782F

split-complementary

#203D78 #782F20 #697820

monochromatic

#060C18 #132448 #203D78 #2D56A8 #4572CD

Accessibility & contrast

On white

10.50

#203D78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#203D78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203D78

10.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203D78	#FFFFFF	#000000	##FFFFFF
##203D78	1.00	10.50	2.00	10.50
#FFFFFF	10.50	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E447A

Deuteranopia (green-blind)

#093B77

Tritanopia (blue-blind)

#004B54

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #203d78;
/* rgb */ color: rgb(32, 61, 120);
/* oklch */ color: oklch(37.2% 0.107 262.7);

Tailwind

colors: {
  custom: {
    50: '#68729f',
    500: '#203d78',
    950: '#000000',
  },
}

SCSS

$custom: #203d78;
$custom-light: #68729f;
$custom-dark: #000000;

JSON

{
  "hex": "#203d78",
  "rgb": {
    "r": 32,
    "g": 61,
    "b": 120
  },
  "hsl": {
    "h": 220.227,
    "s": 57.895,
    "l": 29.804
  },
  "oklch": {
    "l": 0.37209,
    "c": 0.10681,
    "h": 262.7
  },
  "luminance": 0.05001
}

Semantic roles & 50–950 ramp

primary

#203D78

secondary

#AB8B48

accent

#AE47E1

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #203D78

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

Preview Lab → · Contrast checker → · Palette generator →