#443CB5#443CB5

#443CB5 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.4% C 0.184 H 278.8°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#443CB5
RGB	rgb(68, 60, 181)
HSL	hsl(244, 50%, 47%)
HSV	hsv(244, 67%, 71%)
CMYK	cmyk(62.4%, 66.9%, 0%, 29%)
CIE-LAB	lab(33.55, 39.57, -63.05)
CIE-LCH	lch(33.55, 74.44, 302.11°)
OKLab	oklab(44.38% 0.028 -0.1817)
OKLCH	oklch(44.38% 0.184 278.8)
XYZ	xyz(12.3376, 7.7959, 44.5617)
Luminance	0.0780 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.12

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#443CB5 #ADB53C

analogous

#3C71B5 #443CB5 #813CB5

triadic

#443CB5 #B5443C #3CB544

tetradic

#443CB5 #B53C71 #ADB53C #3CB581

square

#443CB5 #B53C71 #ADB53C #3CB581

split-complementary

#443CB5 #B5813C #71B53C

monochromatic

#211E59 #332D87 #443CB5 #6A63CB #9691DB

Accessibility & contrast

On white

8.21

#443CB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#443CB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #443CB5

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##443CB5	#FFFFFF	#000000	##FFFFFF
##443CB5	1.00	8.21	2.56	8.21
#FFFFFF	8.21	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B9

Deuteranopia (green-blind)

#004AB3

Tritanopia (blue-blind)

#005B73

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #443cb5;
/* rgb */ color: rgb(68, 60, 181);
/* oklch */ color: oklch(44.4% 0.184 278.8);

Tailwind

colors: {
  custom: {
    50: '#8573cc',
    500: '#443cb5',
    950: '#000000',
  },
}

SCSS

$custom: #443cb5;
$custom-light: #8573cc;
$custom-dark: #000000;

JSON

{
  "hex": "#443cb5",
  "rgb": {
    "r": 68,
    "g": 60,
    "b": 181
  },
  "hsl": {
    "h": 243.967,
    "s": 50.207,
    "l": 47.255
  },
  "oklch": {
    "l": 0.44382,
    "c": 0.18387,
    "h": 278.8
  },
  "luminance": 0.07797
}

Semantic roles & 50–950 ramp

primary

#443CB5

secondary

#C1C687

accent

#DA4ED0

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #443CB5

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

Preview Lab → · Contrast checker → · Palette generator →