#443DB8#443DB8

#443DB8 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.8% C 0.187 H 278.3°. Best body text is #FFFFFF at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#443DB8
RGB	rgb(68, 61, 184)
HSL	hsl(243, 50%, 48%)
HSV	hsv(243, 67%, 72%)
CMYK	cmyk(63%, 66.8%, 0%, 27.8%)
CIE-LAB	lab(34.04, 39.95, -64.04)
CIE-LCH	lch(34.04, 75.48, 301.96°)
OKLab	oklab(44.81% 0.0268 -0.1846)
OKLCH	oklch(44.81% 0.187 278.3)
XYZ	xyz(12.7016, 8.0261, 46.2180)
Luminance	0.0803 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.99

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#443DB8 #B1B83D

analogous

#3D73B8 #443DB8 #823DB8

triadic

#443DB8 #B8443D #3DB844

tetradic

#443DB8 #B83D73 #B1B83D #3DB882

square

#443DB8 #B83D73 #B1B83D #3DB882

split-complementary

#443DB8 #B8823D #73B83D

monochromatic

#221F5C #332E8A #443DB8 #6C66CC #9894DB

Accessibility & contrast

On white

8.06

#443DB8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#443DB8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #443DB8

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##443DB8	#FFFFFF	#000000	##FFFFFF
##443DB8	1.00	8.06	2.61	8.06
#FFFFFF	8.06	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055BC

Deuteranopia (green-blind)

#004BB6

Tritanopia (blue-blind)

#005D75

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #443db8;
/* rgb */ color: rgb(68, 61, 184);
/* oklch */ color: oklch(44.8% 0.187 278.3);

Tailwind

colors: {
  custom: {
    50: '#8573ce',
    500: '#443db8',
    950: '#000000',
  },
}

SCSS

$custom: #443db8;
$custom-light: #8573ce;
$custom-dark: #000000;

JSON

{
  "hex": "#443db8",
  "rgb": {
    "r": 68,
    "g": 61,
    "b": 184
  },
  "hsl": {
    "h": 243.415,
    "s": 50.204,
    "l": 48.039
  },
  "oklch": {
    "l": 0.44812,
    "c": 0.18655,
    "h": 278.3
  },
  "luminance": 0.08027
}

Semantic roles & 50–950 ramp

primary

#443DB8

secondary

#C3C78A

accent

#DA4ED2

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #443DB8

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

Preview Lab → · Contrast checker → · Palette generator →