#443DB9#443DB9

#443DB9 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.9% C 0.188 H 278.2°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#443DB9
RGB	rgb(68, 61, 185)
HSL	hsl(243, 50%, 48%)
HSV	hsv(243, 67%, 73%)
CMYK	cmyk(63.2%, 67%, 0%, 27.5%)
CIE-LAB	lab(34.12, 40.28, -64.48)
CIE-LCH	lch(34.12, 76.03, 301.99°)
OKLab	oklab(44.9% 0.0267 -0.1859)
OKLCH	oklch(44.9% 0.188 278.2)
XYZ	xyz(12.8068, 8.0682, 46.7720)
Luminance	0.0807 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.01

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#443DB9 #B2B93D

analogous

#3D74B9 #443DB9 #823DB9

triadic

#443DB9 #B9443D #3DB944

tetradic

#443DB9 #B93D74 #B2B93D #3DB982

square

#443DB9 #B93D74 #B2B93D #3DB982

split-complementary

#443DB9 #B9823D #74B93D

monochromatic

#221F5D #332E8B #443DB9 #6C66CD #9995DC

Accessibility & contrast

On white

8.03

#443DB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#443DB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #443DB9

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##443DB9	#FFFFFF	#000000	##FFFFFF
##443DB9	1.00	8.03	2.61	8.03
#FFFFFF	8.03	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055BD

Deuteranopia (green-blind)

#004BB7

Tritanopia (blue-blind)

#005D76

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #443db9;
/* rgb */ color: rgb(68, 61, 185);
/* oklch */ color: oklch(44.9% 0.188 278.2);

Tailwind

colors: {
  custom: {
    50: '#8573cf',
    500: '#443db9',
    950: '#000000',
  },
}

SCSS

$custom: #443db9;
$custom-light: #8573cf;
$custom-dark: #000000;

JSON

{
  "hex": "#443db9",
  "rgb": {
    "r": 68,
    "g": 61,
    "b": 185
  },
  "hsl": {
    "h": 243.387,
    "s": 50.407,
    "l": 48.235
  },
  "oklch": {
    "l": 0.44902,
    "c": 0.18783,
    "h": 278.2
  },
  "luminance": 0.08069
}

Semantic roles & 50–950 ramp

primary

#443DB9

secondary

#C4C78B

accent

#DA4ED2

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #443DB9

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

Preview Lab → · Contrast checker → · Palette generator →