#203F79#203F79

#203F79 is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.8% C 0.106 H 261.6°. Best body text is #FFFFFF at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#203F79
RGB	rgb(32, 63, 121)
HSL	hsl(219, 58%, 30%)
HSV	hsv(219, 74%, 47%)
CMYK	cmyk(73.6%, 47.9%, 0%, 52.5%)
CIE-LAB	lab(27.41, 9.98, -36.50)
CIE-LCH	lch(27.41, 37.84, 285.30°)
OKLab	oklab(37.75% -0.0154 -0.1045)
OKLCH	oklch(37.75% 0.106 261.6)
XYZ	xyz(5.8231, 5.2420, 18.7904)
Luminance	0.0524 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203F79 #795A20

analogous

#206C79 #203F79 #2D2079

triadic

#203F79 #79203F #3F7920

tetradic

#203F79 #79206C #795A20 #20792D

square

#203F79 #79206C #795A20 #20792D

split-complementary

#203F79 #792D20 #6C7920

monochromatic

#060D18 #132649 #203F79 #2D58A9 #4575CE

Accessibility & contrast

On white

10.25

#203F79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#203F79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203F79

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203F79	#FFFFFF	#000000	##FFFFFF
##203F79	1.00	10.25	2.05	10.25
#FFFFFF	10.25	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21457B

Deuteranopia (green-blind)

#0E3D78

Tritanopia (blue-blind)

#004D56

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #203f79;
/* rgb */ color: rgb(32, 63, 121);
/* oklch */ color: oklch(37.8% 0.106 261.6);

Tailwind

colors: {
  custom: {
    50: '#6873a0',
    500: '#203f79',
    950: '#000000',
  },
}

SCSS

$custom: #203f79;
$custom-light: #6873a0;
$custom-dark: #000000;

JSON

{
  "hex": "#203f79",
  "rgb": {
    "r": 32,
    "g": 63,
    "b": 121
  },
  "hsl": {
    "h": 219.101,
    "s": 58.17,
    "l": 30
  },
  "oklch": {
    "l": 0.37751,
    "c": 0.10568,
    "h": 261.6
  },
  "luminance": 0.05243
}

Semantic roles & 50–950 ramp

primary

#203F79

secondary

#AC8A49

accent

#AB46E1

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07080F

muted

#7A7B7E

Preview Lab

Preview with #203F79

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

Preview Lab → · Contrast checker → · Palette generator →