#443EB3#443EB3

#443EB3 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.5% C 0.179 H 278.5°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#443EB3
RGB	rgb(68, 62, 179)
HSL	hsl(243, 49%, 47%)
HSV	hsv(243, 65%, 70%)
CMYK	cmyk(62%, 65.4%, 0%, 29.8%)
CIE-LAB	lab(33.83, 37.70, -61.41)
CIE-LCH	lch(33.83, 72.06, 301.55°)
OKLab	oklab(44.53% 0.0266 -0.1769)
OKLCH	oklch(44.53% 0.179 278.5)
XYZ	xyz(12.2406, 7.9279, 43.5243)
Luminance	0.0793 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.86

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#443EB3 #ADB33E

analogous

#3E73B3 #443EB3 #7F3EB3

triadic

#443EB3 #B3443E #3EB344

tetradic

#443EB3 #B33E73 #ADB33E #3EB37F

square

#443EB3 #B33E73 #ADB33E #3EB37F

split-complementary

#443EB3 #B37F3E #73B33E

monochromatic

#211F58 #332E86 #443EB3 #6A65CA #9692D9

Accessibility & contrast

On white

8.12

#443EB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#443EB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #443EB3

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##443EB3	#FFFFFF	#000000	##FFFFFF
##443EB3	1.00	8.12	2.59	8.12
#FFFFFF	8.12	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B7

Deuteranopia (green-blind)

#004BB1

Tritanopia (blue-blind)

#005C73

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #443eb3;
/* rgb */ color: rgb(68, 62, 179);
/* oklch */ color: oklch(44.5% 0.179 278.5);

Tailwind

colors: {
  custom: {
    50: '#8474cb',
    500: '#443eb3',
    950: '#000000',
  },
}

SCSS

$custom: #443eb3;
$custom-light: #8474cb;
$custom-dark: #000000;

JSON

{
  "hex": "#443eb3",
  "rgb": {
    "r": 68,
    "g": 62,
    "b": 179
  },
  "hsl": {
    "h": 243.077,
    "s": 48.548,
    "l": 47.255
  },
  "oklch": {
    "l": 0.44531,
    "c": 0.17889,
    "h": 278.5
  },
  "luminance": 0.07929
}

Semantic roles & 50–950 ramp

primary

#443EB3

secondary

#C1C588

accent

#D850D1

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #443EB3

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

Preview Lab → · Contrast checker → · Palette generator →