#443BB1#443BB1

#443BB1 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.9% C 0.180 H 279.4°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#443BB1
RGB	rgb(68, 59, 177)
HSL	hsl(245, 50%, 46%)
HSV	hsv(245, 67%, 69%)
CMYK	cmyk(61.6%, 66.7%, 0%, 30.6%)
CIE-LAB	lab(32.98, 38.86, -61.61)
CIE-LCH	lch(32.98, 72.84, 302.24°)
OKLab	oklab(43.86% 0.0293 -0.1775)
OKLCH	oklch(43.86% 0.18 279.4)
XYZ	xyz(11.8811, 7.5303, 42.4138)
Luminance	0.0753 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.37

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#443BB1 #A8B13B

analogous

#3B6DB1 #443BB1 #7F3BB1

triadic

#443BB1 #B1443B #3BB144

tetradic

#443BB1 #B13B6D #A8B13B #3BB17F

square

#443BB1 #B13B6D #A8B13B #3BB17F

split-complementary

#443BB1 #B17F3B #6DB13B

monochromatic

#211C55 #322C83 #443BB1 #685FCA #938DD9

Accessibility & contrast

On white

8.38

#443BB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#443BB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #443BB1

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##443BB1	#FFFFFF	#000000	##FFFFFF
##443BB1	1.00	8.38	2.51	8.38
#FFFFFF	8.38	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B5

Deuteranopia (green-blind)

#0049AF

Tritanopia (blue-blind)

#005A71

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #443bb1;
/* rgb */ color: rgb(68, 59, 177);
/* oklch */ color: oklch(43.9% 0.180 279.4);

Tailwind

colors: {
  custom: {
    50: '#8472c9',
    500: '#443bb1',
    950: '#000000',
  },
}

SCSS

$custom: #443bb1;
$custom-light: #8472c9;
$custom-dark: #000000;

JSON

{
  "hex": "#443bb1",
  "rgb": {
    "r": 68,
    "g": 59,
    "b": 177
  },
  "hsl": {
    "h": 244.576,
    "s": 50,
    "l": 46.275
  },
  "oklch": {
    "l": 0.43863,
    "c": 0.1799,
    "h": 279.4
  },
  "luminance": 0.07531
}

Semantic roles & 50–950 ramp

primary

#443BB1

secondary

#BFC484

accent

#DA4ECF

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #443BB1

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

Preview Lab → · Contrast checker → · Palette generator →