#443FCB#443FCB

#443FCB is a mid, highly saturated blue. Relative luminance 0.091; OKLCH L 46.9% C 0.208 H 276.3°. Best body text is #FFFFFF at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#443FCB
RGB	rgb(68, 63, 203)
HSL	hsl(242, 57%, 52%)
HSV	hsv(242, 69%, 80%)
CMYK	cmyk(66.5%, 69%, 0%, 20.4%)
CIE-LAB	lab(36.17, 44.97, -71.68)
CIE-LCH	lch(36.17, 84.62, 302.11°)
OKLab	oklab(46.87% 0.0229 -0.207)
OKLCH	oklch(46.87% 0.208 276.3)
XYZ	xyz(14.9374, 9.0944, 57.4566)
Luminance	0.0910 (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

#443FCB #C6CB3F

analogous

#3F80CB #443FCB #8A3FCB

triadic

#443FCB #CB443F #3FCB44

tetradic

#443FCB #CB3F80 #C6CB3F #3FCB8A

square

#443FCB #CB3F80 #C6CB3F #3FCB8A

split-complementary

#443FCB #CB8A3F #80CB3F

monochromatic

#221F71 #302CA1 #443FCB #736FD8 #A29FE5

Accessibility & contrast

On white

7.45

#443FCB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#443FCB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #443FCB

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##443FCB	#FFFFFF	#000000	##FFFFFF
##443FCB	1.00	7.45	2.82	7.45
#FFFFFF	7.45	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BCF

Deuteranopia (green-blind)

#004FC8

Tritanopia (blue-blind)

#006580

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #443fcb;
/* rgb */ color: rgb(68, 63, 203);
/* oklch */ color: oklch(46.9% 0.208 276.3);

Tailwind

colors: {
  custom: {
    50: '#8975dc',
    500: '#443fcb',
    950: '#000000',
  },
}

SCSS

$custom: #443fcb;
$custom-light: #8975dc;
$custom-dark: #000000;

JSON

{
  "hex": "#443fcb",
  "rgb": {
    "r": 68,
    "g": 63,
    "b": 203
  },
  "hsl": {
    "h": 242.143,
    "s": 57.377,
    "l": 52.157
  },
  "oklch": {
    "l": 0.46866,
    "c": 0.20824,
    "h": 276.3
  },
  "luminance": 0.09096
}

Semantic roles & 50–950 ramp

primary

#443FCB

secondary

#CFD194

accent

#E147DB

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #443FCB

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

Preview Lab → · Contrast checker → · Palette generator →