#4B42E4#4B42E4

#4B42E4 is a mid, highly saturated blue. Relative luminance 0.110; OKLCH L 50.1% C 0.234 H 276.3°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#4B42E4
RGB	rgb(75, 66, 228)
HSL	hsl(243, 75%, 58%)
HSV	hsv(243, 71%, 89%)
CMYK	cmyk(67.1%, 71.1%, 0%, 10.6%)
CIE-LAB	lab(39.57, 52.06, -80.44)
CIE-LCH	lch(39.57, 95.82, 302.91°)
OKLab	oklab(50.13% 0.0256 -0.2324)
OKLCH	oklch(50.13% 0.234 276.3)
XYZ	xyz(18.8489, 10.9920, 74.5121)
Luminance	0.1099 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 4.29

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B42E4 #DBE442

analogous

#428AE4 #4B42E4 #9C42E4

triadic

#4B42E4 #E44B42 #42E44B

tetradic

#4B42E4 #E4428A #DBE442 #42E49C

square

#4B42E4 #E4428A #DBE442 #42E49C

split-complementary

#4B42E4 #E49C42 #8AE442

monochromatic

#1D1596 #271DCC #4B42E4 #7E78EC #B1ADF3

Accessibility & contrast

On white

6.56

#4B42E4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#4B42E4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B42E4

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B42E4	#FFFFFF	#000000	##FFFFFF
##4B42E4	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064E9

Deuteranopia (green-blind)

#0056E1

Tritanopia (blue-blind)

#006F8F

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4b42e4;
/* rgb */ color: rgb(75, 66, 228);
/* oklch */ color: oklch(50.1% 0.234 276.3);

Tailwind

colors: {
  custom: {
    50: '#9178ee',
    500: '#4b42e4',
    950: '#000000',
  },
}

SCSS

$custom: #4b42e4;
$custom-light: #9178ee;
$custom-dark: #000000;

JSON

{
  "hex": "#4b42e4",
  "rgb": {
    "r": 75,
    "g": 66,
    "b": 228
  },
  "hsl": {
    "h": 243.333,
    "s": 75,
    "l": 57.647
  },
  "oklch": {
    "l": 0.50126,
    "c": 0.23382,
    "h": 276.3
  },
  "luminance": 0.10994
}

Semantic roles & 50–950 ramp

primary

#4B42E4

secondary

#DEE2A0

accent

#F236E7

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0917

muted

#7E7B85

Preview Lab

Preview with #4B42E4

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

Preview Lab → · Contrast checker → · Palette generator →