#4B42EA#4B42EA

#4B42EA is a mid, highly saturated blue. Relative luminance 0.113; OKLCH L 50.7% C 0.241 H 275.9°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#4B42EA
RGB	rgb(75, 66, 234)
HSL	hsl(243, 80%, 59%)
HSV	hsv(243, 72%, 92%)
CMYK	cmyk(67.9%, 71.8%, 0%, 8.2%)
CIE-LAB	lab(40.13, 53.93, -82.92)
CIE-LCH	lch(40.13, 98.91, 303.04°)
OKLab	oklab(50.7% 0.0246 -0.2396)
OKLCH	oklch(50.7% 0.241 275.9)
XYZ	xyz(19.6963, 11.3310, 78.9751)
Luminance	0.1133 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B42EA #E1EA42

analogous

#428DEA #4B42EA #9F42EA

triadic

#4B42EA #EA4B42 #42EA4B

tetradic

#4B42EA #EA428D #E1EA42 #42EA9F

square

#4B42EA #EA428D #E1EA42 #42EA9F

split-complementary

#4B42EA #EA9F42 #8DEA42

monochromatic

#1912A0 #2218D7 #4B42EA #7F79F0 #B4B0F6

Accessibility & contrast

On white

6.43

#4B42EA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#4B42EA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B42EA

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B42EA	#FFFFFF	#000000	##FFFFFF
##4B42EA	1.00	6.43	3.27	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066EF

Deuteranopia (green-blind)

#0057E7

Tritanopia (blue-blind)

#007192

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4b42ea;
/* rgb */ color: rgb(75, 66, 234);
/* oklch */ color: oklch(50.7% 0.241 275.9);

Tailwind

colors: {
  custom: {
    50: '#9278f2',
    500: '#4b42ea',
    950: '#000000',
  },
}

SCSS

$custom: #4b42ea;
$custom-light: #9278f2;
$custom-dark: #000000;

JSON

{
  "hex": "#4b42ea",
  "rgb": {
    "r": 75,
    "g": 66,
    "b": 234
  },
  "hsl": {
    "h": 243.214,
    "s": 80,
    "l": 58.824
  },
  "oklch": {
    "l": 0.50699,
    "c": 0.2409,
    "h": 275.9
  },
  "luminance": 0.11333
}

Semantic roles & 50–950 ramp

primary

#4B42EA

secondary

#E1E5A3

accent

#F631EC

background

#F9F7FF

surface

#F2EDFE

border

#CCC8D6

text

#0F0917

muted

#7E7B85

Preview Lab

Preview with #4B42EA

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

Preview Lab → · Contrast checker → · Palette generator →