#443FA5#443FA5

#443FA5 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.5% C 0.159 H 279.7°. Best body text is #FFFFFF at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#443FA5
RGB	rgb(68, 63, 165)
HSL	hsl(243, 45%, 45%)
HSV	hsv(243, 62%, 65%)
CMYK	cmyk(58.8%, 61.8%, 0%, 35.3%)
CIE-LAB	lab(32.92, 32.44, -54.54)
CIE-LCH	lch(32.92, 63.46, 300.74°)
OKLab	oklab(43.51% 0.0267 -0.1567)
OKLCH	oklch(43.51% 0.159 279.7)
XYZ	xyz(10.9508, 7.4998, 36.4606)
Luminance	0.0750 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#443FA5 #A0A53F

analogous

#3F6DA5 #443FA5 #773FA5

triadic

#443FA5 #A5443F #3FA544

tetradic

#443FA5 #A53F6D #A0A53F #3FA577

square

#443FA5 #A53F6D #A0A53F #3FA577

split-complementary

#443FA5 #A5773F #6DA53F

monochromatic

#1F1D4C #322E79 #443FA5 #645FC2 #8F8CD3

Accessibility & contrast

On white

8.40

#443FA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#443FA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #443FA5

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##443FA5	#FFFFFF	#000000	##FFFFFF
##443FA5	1.00	8.40	2.50	8.40
#FFFFFF	8.40	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A8

Deuteranopia (green-blind)

#0049A3

Tritanopia (blue-blind)

#05586C

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #443fa5;
/* rgb */ color: rgb(68, 63, 165);
/* oklch */ color: oklch(43.5% 0.159 279.7);

Tailwind

colors: {
  custom: {
    50: '#8274c0',
    500: '#443fa5',
    950: '#000000',
  },
}

SCSS

$custom: #443fa5;
$custom-light: #8274c0;
$custom-dark: #000000;

JSON

{
  "hex": "#443fa5",
  "rgb": {
    "r": 68,
    "g": 63,
    "b": 165
  },
  "hsl": {
    "h": 242.941,
    "s": 44.737,
    "l": 44.706
  },
  "oklch": {
    "l": 0.43506,
    "c": 0.15899,
    "h": 279.7
  },
  "luminance": 0.07501
}

Semantic roles & 50–950 ramp

primary

#443FA5

secondary

#BBBE82

accent

#D453CE

background

#F8F7FB

surface

#F0EDF7

border

#CBC8D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #443FA5

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

Preview Lab → · Contrast checker → · Palette generator →