#443FB7#443FB7

#443FB7 is a mid, vivid blue. Relative luminance 0.082; OKLCH L 45.0% C 0.183 H 278.0°. Best body text is #FFFFFF at 7.95:1 contrast (WCAG AA passes).

Color values

HEX	#443FB7
RGB	rgb(68, 63, 183)
HSL	hsl(243, 49%, 48%)
HSV	hsv(243, 66%, 72%)
CMYK	cmyk(62.8%, 65.6%, 0%, 28.2%)
CIE-LAB	lab(34.40, 38.42, -62.85)
CIE-LCH	lch(34.40, 73.66, 301.43°)
OKLab	oklab(45.05% 0.0253 -0.1811)
OKLCH	oklch(45.05% 0.183 278)
XYZ	xyz(12.7059, 8.2019, 45.7041)
Luminance	0.0820 (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

#443FB7 #B2B73F

analogous

#3F76B7 #443FB7 #803FB7

triadic

#443FB7 #B7443F #3FB744

tetradic

#443FB7 #B73F76 #B2B73F #3FB780

square

#443FB7 #B73F76 #B2B73F #3FB780

split-complementary

#443FB7 #B7803F #76B73F

monochromatic

#22205C #332F89 #443FB7 #6C68CB #9996DB

Accessibility & contrast

On white

7.95

#443FB7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#443FB7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #443FB7

7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##443FB7	#FFFFFF	#000000	##FFFFFF
##443FB7	1.00	7.95	2.64	7.95
#FFFFFF	7.95	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056BB

Deuteranopia (green-blind)

#004CB5

Tritanopia (blue-blind)

#005E75

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #443fb7;
/* rgb */ color: rgb(68, 63, 183);
/* oklch */ color: oklch(45.0% 0.183 278.0);

Tailwind

colors: {
  custom: {
    50: '#8575ce',
    500: '#443fb7',
    950: '#000000',
  },
}

SCSS

$custom: #443fb7;
$custom-light: #8575ce;
$custom-dark: #000000;

JSON

{
  "hex": "#443fb7",
  "rgb": {
    "r": 68,
    "g": 63,
    "b": 183
  },
  "hsl": {
    "h": 242.5,
    "s": 48.78,
    "l": 48.235
  },
  "oklch": {
    "l": 0.45048,
    "c": 0.18289,
    "h": 278
  },
  "luminance": 0.08203
}

Semantic roles & 50–950 ramp

primary

#443FB7

secondary

#C4C68B

accent

#D84FD3

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #443FB7

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

Preview Lab → · Contrast checker → · Palette generator →