#443FB0#443FB0

#443FB0 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.4% C 0.174 H 278.6°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#443FB0
RGB	rgb(68, 63, 176)
HSL	hsl(243, 47%, 47%)
HSV	hsv(243, 64%, 69%)
CMYK	cmyk(61.4%, 64.2%, 0%, 31%)
CIE-LAB	lab(33.81, 36.10, -59.66)
CIE-LCH	lch(33.81, 69.73, 301.18°)
OKLab	oklab(44.44% 0.026 -0.1718)
OKLCH	oklch(44.44% 0.174 278.6)
XYZ	xyz(11.9954, 7.9176, 41.9620)
Luminance	0.0792 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.90

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#443FB0 #ABB03F

analogous

#3F73B0 #443FB0 #7D3FB0

triadic

#443FB0 #B0443F #3FB044

tetradic

#443FB0 #B03F73 #ABB03F #3FB07D

square

#443FB0 #B03F73 #ABB03F #3FB07D

split-complementary

#443FB0 #B07D3F #73B03F

monochromatic

#211F56 #332F83 #443FB0 #6965C8 #9592D8

Accessibility & contrast

On white

8.13

#443FB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#443FB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #443FB0

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##443FB0	#FFFFFF	#000000	##FFFFFF
##443FB0	1.00	8.13	2.58	8.13
#FFFFFF	8.13	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B4

Deuteranopia (green-blind)

#004BAE

Tritanopia (blue-blind)

#005C71

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #443fb0;
/* rgb */ color: rgb(68, 63, 176);
/* oklch */ color: oklch(44.4% 0.174 278.6);

Tailwind

colors: {
  custom: {
    50: '#8474c8',
    500: '#443fb0',
    950: '#000000',
  },
}

SCSS

$custom: #443fb0;
$custom-light: #8474c8;
$custom-dark: #000000;

JSON

{
  "hex": "#443fb0",
  "rgb": {
    "r": 68,
    "g": 63,
    "b": 176
  },
  "hsl": {
    "h": 242.655,
    "s": 47.28,
    "l": 46.863
  },
  "oklch": {
    "l": 0.44437,
    "c": 0.17373,
    "h": 278.6
  },
  "luminance": 0.07919
}

Semantic roles & 50–950 ramp

primary

#443FB0

secondary

#C0C388

accent

#D751D1

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #443FB0

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

Preview Lab → · Contrast checker → · Palette generator →