#203F71#203F71

#203F71 is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.2% C 0.094 H 259.5°. Best body text is #FFFFFF at 10.44:1 contrast (WCAG AA passes).

Color values

HEX	#203F71
RGB	rgb(32, 63, 113)
HSL	hsl(217, 56%, 28%)
HSV	hsv(217, 72%, 44%)
CMYK	cmyk(71.7%, 44.2%, 0%, 55.7%)
CIE-LAB	lab(26.89, 6.79, -32.28)
CIE-LCH	lch(26.89, 32.99, 281.88°)
OKLab	oklab(37.18% -0.017 -0.0921)
OKLCH	oklch(37.18% 0.094 259.5)
XYZ	xyz(5.3527, 5.0538, 16.3130)
Luminance	0.0505 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203F71 #715220

analogous

#206771 #203F71 #292071

triadic

#203F71 #71203F #3F7120

tetradic

#203F71 #712067 #715220 #207129

square

#203F71 #712067 #715220 #207129

split-complementary

#203F71 #712920 #677120

monochromatic

#070D18 #122441 #203F71 #2E5AA1 #4276C9

Accessibility & contrast

On white

10.44

#203F71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#203F71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203F71

10.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203F71	#FFFFFF	#000000	##FFFFFF
##203F71	1.00	10.44	2.01	10.44
#FFFFFF	10.44	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#274473

Deuteranopia (green-blind)

#1A3C70

Tritanopia (blue-blind)

#004B52

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #203f71;
/* rgb */ color: rgb(32, 63, 113);
/* oklch */ color: oklch(37.2% 0.094 259.5);

Tailwind

colors: {
  custom: {
    50: '#66739a',
    500: '#203f71',
    950: '#000000',
  },
}

SCSS

$custom: #203f71;
$custom-light: #66739a;
$custom-dark: #000000;

JSON

{
  "hex": "#203f71",
  "rgb": {
    "r": 32,
    "g": 63,
    "b": 113
  },
  "hsl": {
    "h": 217.037,
    "s": 55.862,
    "l": 28.431
  },
  "oklch": {
    "l": 0.37176,
    "c": 0.09371,
    "h": 259.5
  },
  "luminance": 0.05054
}

Semantic roles & 50–950 ramp

primary

#203F71

secondary

#A58148

accent

#A649DF

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #203F71

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

Preview Lab → · Contrast checker → · Palette generator →