#443DB1#443DB1

#443DB1 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.2% C 0.177 H 279.0°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#443DB1
RGB	rgb(68, 61, 177)
HSL	hsl(244, 49%, 47%)
HSV	hsv(244, 66%, 69%)
CMYK	cmyk(61.6%, 65.5%, 0%, 30.6%)
CIE-LAB	lab(33.44, 37.65, -60.87)
CIE-LCH	lch(33.44, 71.58, 301.74°)
OKLab	oklab(44.19% 0.0276 -0.1753)
OKLCH	oklch(44.19% 0.177 279)
XYZ	xyz(11.9859, 7.7399, 42.4488)
Luminance	0.0774 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.05

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#443DB1 #AAB13D

analogous

#3D70B1 #443DB1 #7E3DB1

triadic

#443DB1 #B1443D #3DB144

tetradic

#443DB1 #B13D70 #AAB13D #3DB17E

square

#443DB1 #B13D70 #AAB13D #3DB17E

split-complementary

#443DB1 #B17E3D #70B13D

monochromatic

#211E56 #332D83 #443DB1 #6862C9 #9490D9

Accessibility & contrast

On white

8.24

#443DB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#443DB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #443DB1

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##443DB1	#FFFFFF	#000000	##FFFFFF
##443DB1	1.00	8.24	2.55	8.24
#FFFFFF	8.24	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B5

Deuteranopia (green-blind)

#004AAF

Tritanopia (blue-blind)

#005B71

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #443db1;
/* rgb */ color: rgb(68, 61, 177);
/* oklch */ color: oklch(44.2% 0.177 279.0);

Tailwind

colors: {
  custom: {
    50: '#8473c9',
    500: '#443db1',
    950: '#000000',
  },
}

SCSS

$custom: #443db1;
$custom-light: #8473c9;
$custom-dark: #000000;

JSON

{
  "hex": "#443db1",
  "rgb": {
    "r": 68,
    "g": 61,
    "b": 177
  },
  "hsl": {
    "h": 243.621,
    "s": 48.739,
    "l": 46.667
  },
  "oklch": {
    "l": 0.4419,
    "c": 0.17749,
    "h": 279
  },
  "luminance": 0.07741
}

Semantic roles & 50–950 ramp

primary

#443DB1

secondary

#C0C486

accent

#D850D0

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #443DB1

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

Preview Lab → · Contrast checker → · Palette generator →