#443FB1#443FB1

#443FB1 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.5% C 0.175 H 278.5°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#443FB1
RGB	rgb(68, 63, 177)
HSL	hsl(243, 48%, 47%)
HSV	hsv(243, 64%, 69%)
CMYK	cmyk(61.6%, 64.4%, 0%, 30.6%)
CIE-LAB	lab(33.89, 36.43, -60.12)
CIE-LCH	lch(33.89, 70.30, 301.21°)
OKLab	oklab(44.52% 0.0259 -0.1731)
OKLCH	oklch(44.52% 0.175 278.5)
XYZ	xyz(12.0947, 7.9574, 42.4850)
Luminance	0.0796 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.84

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#443FB1 #ACB13F

analogous

#3F73B1 #443FB1 #7D3FB1

triadic

#443FB1 #B1443F #3FB144

tetradic

#443FB1 #B13F73 #ACB13F #3FB17D

square

#443FB1 #B13F73 #ACB13F #3FB17D

split-complementary

#443FB1 #B17D3F #73B13F

monochromatic

#211F57 #332F84 #443FB1 #6965C8 #9592D8

Accessibility & contrast

On white

8.10

#443FB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#443FB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #443FB1

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##443FB1	#FFFFFF	#000000	##FFFFFF
##443FB1	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B5

Deuteranopia (green-blind)

#004BAF

Tritanopia (blue-blind)

#005C72

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #443fb1;
/* rgb */ color: rgb(68, 63, 177);
/* oklch */ color: oklch(44.5% 0.175 278.5);

Tailwind

colors: {
  custom: {
    50: '#8474c9',
    500: '#443fb1',
    950: '#000000',
  },
}

SCSS

$custom: #443fb1;
$custom-light: #8474c9;
$custom-dark: #000000;

JSON

{
  "hex": "#443fb1",
  "rgb": {
    "r": 68,
    "g": 63,
    "b": 177
  },
  "hsl": {
    "h": 242.632,
    "s": 47.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.44523,
    "c": 0.17506,
    "h": 278.5
  },
  "luminance": 0.07958
}

Semantic roles & 50–950 ramp

primary

#443FB1

secondary

#C1C488

accent

#D751D1

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #443FB1

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

Preview Lab → · Contrast checker → · Palette generator →