#4B43CF#4B43CF

#4B43CF is a mid, highly saturated blue. Relative luminance 0.100; OKLCH L 48.3% C 0.207 H 277.8°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).

Color values

HEX	#4B43CF
RGB	rgb(75, 67, 207)
HSL	hsl(243, 59%, 54%)
HSV	hsv(243, 68%, 81%)
CMYK	cmyk(63.8%, 67.6%, 0%, 18.8%)
CIE-LAB	lab(37.87, 44.85, -71.19)
CIE-LCH	lch(37.87, 84.14, 302.21°)
OKLab	oklab(48.33% 0.0282 -0.2053)
OKLCH	oklch(48.33% 0.207 277.8)
XYZ	xyz(16.1677, 10.0138, 60.1003)
Luminance	0.1002 (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

#4B43CF #C7CF43

analogous

#4381CF #4B43CF #9143CF

triadic

#4B43CF #CF4B43 #43CF4B

tetradic

#4B43CF #CF4381 #C7CF43 #43CF91

square

#4B43CF #CF4381 #C7CF43 #43CF91

split-complementary

#4B43CF #CF9143 #81CF43

monochromatic

#241F79 #322BAA #4B43CF #7A74DB #A8A5E8

Accessibility & contrast

On white

6.99

#4B43CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.00

#4B43CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B43CF

6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B43CF	#FFFFFF	#000000	##FFFFFF
##4B43CF	1.00	6.99	3.00	6.99
#FFFFFF	6.99	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	6.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FD3

Deuteranopia (green-blind)

#0053CC

Tritanopia (blue-blind)

#006883

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4b43cf;
/* rgb */ color: rgb(75, 67, 207);
/* oklch */ color: oklch(48.3% 0.207 277.8);

Tailwind

colors: {
  custom: {
    50: '#8d78df',
    500: '#4b43cf',
    950: '#000000',
  },
}

SCSS

$custom: #4b43cf;
$custom-light: #8d78df;
$custom-dark: #000000;

JSON

{
  "hex": "#4b43cf",
  "rgb": {
    "r": 75,
    "g": 67,
    "b": 207
  },
  "hsl": {
    "h": 243.429,
    "s": 59.322,
    "l": 53.725
  },
  "oklch": {
    "l": 0.48328,
    "c": 0.20728,
    "h": 277.8
  },
  "luminance": 0.10015
}

Semantic roles & 50–950 ramp

primary

#4B43CF

secondary

#D1D599

accent

#E345DA

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0E0915

muted

#7E7B83

Preview Lab

Preview with #4B43CF

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

Preview Lab → · Contrast checker → · Palette generator →