#443DB7#443DB7

#443DB7 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.7% C 0.185 H 278.4°. Best body text is #FFFFFF at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#443DB7
RGB	rgb(68, 61, 183)
HSL	hsl(243, 50%, 48%)
HSV	hsv(243, 67%, 72%)
CMYK	cmyk(62.8%, 66.7%, 0%, 28.2%)
CIE-LAB	lab(33.95, 39.62, -63.59)
CIE-LCH	lch(33.95, 74.92, 301.93°)
OKLab	oklab(44.72% 0.027 -0.1833)
OKLCH	oklch(44.72% 0.185 278.4)
XYZ	xyz(12.5971, 7.9843, 45.6679)
Luminance	0.0799 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.97

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#443DB7 #B0B73D

analogous

#3D73B7 #443DB7 #813DB7

triadic

#443DB7 #B7443D #3DB744

tetradic

#443DB7 #B73D73 #B0B73D #3DB781

square

#443DB7 #B73D73 #B0B73D #3DB781

split-complementary

#443DB7 #B7813D #73B73D

monochromatic

#221E5B #332E89 #443DB7 #6B65CC #9793DB

Accessibility & contrast

On white

8.09

#443DB7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#443DB7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #443DB7

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##443DB7	#FFFFFF	#000000	##FFFFFF
##443DB7	1.00	8.09	2.60	8.09
#FFFFFF	8.09	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055BB

Deuteranopia (green-blind)

#004BB5

Tritanopia (blue-blind)

#005D75

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #443db7;
/* rgb */ color: rgb(68, 61, 183);
/* oklch */ color: oklch(44.7% 0.185 278.4);

Tailwind

colors: {
  custom: {
    50: '#8573ce',
    500: '#443db7',
    950: '#000000',
  },
}

SCSS

$custom: #443db7;
$custom-light: #8573ce;
$custom-dark: #000000;

JSON

{
  "hex": "#443db7",
  "rgb": {
    "r": 68,
    "g": 61,
    "b": 183
  },
  "hsl": {
    "h": 243.443,
    "s": 50,
    "l": 47.843
  },
  "oklch": {
    "l": 0.44722,
    "c": 0.18527,
    "h": 278.4
  },
  "luminance": 0.07985
}

Semantic roles & 50–950 ramp

primary

#443DB7

secondary

#C3C689

accent

#DA4ED2

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #443DB7

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

Preview Lab → · Contrast checker → · Palette generator →