#443FB5#443FB5

#443FB5 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.9% C 0.180 H 278.1°. Best body text is #FFFFFF at 8.00:1 contrast (WCAG AA passes).

Color values

HEX	#443FB5
RGB	rgb(68, 63, 181)
HSL	hsl(243, 48%, 48%)
HSV	hsv(243, 65%, 71%)
CMYK	cmyk(62.4%, 65.2%, 0%, 29%)
CIE-LAB	lab(34.23, 37.76, -61.95)
CIE-LCH	lch(34.23, 72.55, 301.36°)
OKLab	oklab(44.87% 0.0255 -0.1785)
OKLCH	oklch(44.87% 0.18 278.1)
XYZ	xyz(12.4992, 8.1192, 44.6156)
Luminance	0.0812 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.73

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#443FB5 #B0B53F

analogous

#3F75B5 #443FB5 #7F3FB5

triadic

#443FB5 #B5443F #3FB544

tetradic

#443FB5 #B53F75 #B0B53F #3FB57F

square

#443FB5 #B53F75 #B0B53F #3FB57F

split-complementary

#443FB5 #B57F3F #75B53F

monochromatic

#221F5A #332F88 #443FB5 #6B67CA #9794DA

Accessibility & contrast

On white

8.00

#443FB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#443FB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #443FB5

8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##443FB5	#FFFFFF	#000000	##FFFFFF
##443FB5	1.00	8.00	2.62	8.00
#FFFFFF	8.00	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B9

Deuteranopia (green-blind)

#004CB3

Tritanopia (blue-blind)

#005D74

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #443fb5;
/* rgb */ color: rgb(68, 63, 181);
/* oklch */ color: oklch(44.9% 0.180 278.1);

Tailwind

colors: {
  custom: {
    50: '#8575cc',
    500: '#443fb5',
    950: '#000000',
  },
}

SCSS

$custom: #443fb5;
$custom-light: #8575cc;
$custom-dark: #000000;

JSON

{
  "hex": "#443fb5",
  "rgb": {
    "r": 68,
    "g": 63,
    "b": 181
  },
  "hsl": {
    "h": 242.542,
    "s": 48.361,
    "l": 47.843
  },
  "oklch": {
    "l": 0.44872,
    "c": 0.1803,
    "h": 278.1
  },
  "luminance": 0.0812
}

Semantic roles & 50–950 ramp

primary

#443FB5

secondary

#C3C58A

accent

#D850D2

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #443FB5

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

Preview Lab → · Contrast checker → · Palette generator →