#4B42E1#4B42E1

#4B42E1 is a mid, highly saturated blue. Relative luminance 0.108; OKLCH L 49.8% C 0.230 H 276.5°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#4B42E1
RGB	rgb(75, 66, 225)
HSL	hsl(243, 73%, 57%)
HSV	hsv(243, 71%, 88%)
CMYK	cmyk(66.7%, 70.7%, 0%, 11.8%)
CIE-LAB	lab(39.29, 51.12, -79.19)
CIE-LCH	lch(39.29, 94.26, 302.85°)
OKLab	oklab(49.84% 0.0261 -0.2288)
OKLCH	oklch(49.84% 0.23 276.5)
XYZ	xyz(18.4360, 10.8269, 72.3378)
Luminance	0.1083 (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

#4B42E1 #D8E142

analogous

#4289E1 #4B42E1 #9A42E1

triadic

#4B42E1 #E14B42 #42E14B

tetradic

#4B42E1 #E14289 #D8E142 #42E19A

square

#4B42E1 #E14289 #D8E142 #42E19A

split-complementary

#4B42E1 #E19A42 #89E142

monochromatic

#1E1792 #291FC6 #4B42E1 #7D77E9 #B0ACF2

Accessibility & contrast

On white

6.63

#4B42E1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#4B42E1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B42E1

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B42E1	#FFFFFF	#000000	##FFFFFF
##4B42E1	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063E6

Deuteranopia (green-blind)

#0056DE

Tritanopia (blue-blind)

#006E8D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4b42e1;
/* rgb */ color: rgb(75, 66, 225);
/* oklch */ color: oklch(49.8% 0.230 276.5);

Tailwind

colors: {
  custom: {
    50: '#9078ec',
    500: '#4b42e1',
    950: '#000000',
  },
}

SCSS

$custom: #4b42e1;
$custom-light: #9078ec;
$custom-dark: #000000;

JSON

{
  "hex": "#4b42e1",
  "rgb": {
    "r": 75,
    "g": 66,
    "b": 225
  },
  "hsl": {
    "h": 243.396,
    "s": 72.603,
    "l": 57.059
  },
  "oklch": {
    "l": 0.49842,
    "c": 0.23026,
    "h": 276.5
  },
  "luminance": 0.10829
}

Semantic roles & 50–950 ramp

primary

#4B42E1

secondary

#DCE09F

accent

#EF38E5

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4B42E1

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

Preview Lab → · Contrast checker → · Palette generator →