#203F80#203F80

#203F80 is a dark, moderate blue. Relative luminance 0.054; OKLCH L 38.3% C 0.116 H 262.9°. Best body text is #FFFFFF at 10.08:1 contrast (WCAG AA passes).

Color values

HEX	#203F80
RGB	rgb(32, 63, 128)
HSL	hsl(221, 60%, 31%)
HSV	hsv(221, 75%, 50%)
CMYK	cmyk(75%, 50.8%, 0%, 49.8%)
CIE-LAB	lab(27.90, 12.79, -40.11)
CIE-LCH	lch(27.90, 42.10, 287.68°)
OKLab	oklab(38.28% -0.0143 -0.1152)
OKLCH	oklch(38.28% 0.116 262.9)
XYZ	xyz(6.2681, 5.4199, 21.1337)
Luminance	0.0542 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203F80 #806120

analogous

#206F80 #203F80 #312080

triadic

#203F80 #80203F #3F8020

tetradic

#203F80 #80206F #806120 #208031

square

#203F80 #80206F #806120 #208031

split-complementary

#203F80 #803120 #6F8020

monochromatic

#080F1E #14274F #203F80 #2C57B1 #4975D1

Accessibility & contrast

On white

10.08

#203F80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#203F80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203F80

10.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203F80	#FFFFFF	#000000	##FFFFFF
##203F80	1.00	10.08	2.08	10.08
#FFFFFF	10.08	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A4782

Deuteranopia (green-blind)

#003E7F

Tritanopia (blue-blind)

#004E59

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #203f80;
/* rgb */ color: rgb(32, 63, 128);
/* oklch */ color: oklch(38.3% 0.116 262.9);

Tailwind

colors: {
  custom: {
    50: '#6973a5',
    500: '#203f80',
    950: '#000000',
  },
}

SCSS

$custom: #203f80;
$custom-light: #6973a5;
$custom-dark: #000000;

JSON

{
  "hex": "#203f80",
  "rgb": {
    "r": 32,
    "g": 63,
    "b": 128
  },
  "hsl": {
    "h": 220.625,
    "s": 60,
    "l": 31.373
  },
  "oklch": {
    "l": 0.3828,
    "c": 0.11605,
    "h": 262.9
  },
  "luminance": 0.05421
}

Semantic roles & 50–950 ramp

primary

#203F80

secondary

#B39149

accent

#B045E3

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #203F80

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

Preview Lab → · Contrast checker → · Palette generator →