#4B42E3#4B42E3

#4B42E3 is a mid, highly saturated blue. Relative luminance 0.109; OKLCH L 50.0% C 0.233 H 276.4°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#4B42E3
RGB	rgb(75, 66, 227)
HSL	hsl(243, 74%, 57%)
HSV	hsv(243, 71%, 89%)
CMYK	cmyk(67%, 70.9%, 0%, 11%)
CIE-LAB	lab(39.47, 51.75, -80.03)
CIE-LCH	lch(39.47, 95.30, 302.89°)
OKLab	oklab(50.03% 0.0258 -0.2312)
OKLCH	oklch(50.03% 0.233 276.4)
XYZ	xyz(18.7105, 10.9367, 73.7831)
Luminance	0.1094 (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

#4B42E3 #DAE342

analogous

#428AE3 #4B42E3 #9C42E3

triadic

#4B42E3 #E34B42 #42E34B

tetradic

#4B42E3 #E3428A #DAE342 #42E39C

square

#4B42E3 #E3428A #DAE342 #42E39C

split-complementary

#4B42E3 #E39C42 #8AE342

monochromatic

#1D1695 #281ECA #4B42E3 #7E77EB #B1ADF3

Accessibility & contrast

On white

6.59

#4B42E3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#4B42E3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B42E3

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B42E3	#FFFFFF	#000000	##FFFFFF
##4B42E3	1.00	6.59	3.19	6.59
#FFFFFF	6.59	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064E8

Deuteranopia (green-blind)

#0056E0

Tritanopia (blue-blind)

#006F8E

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4b42e3;
/* rgb */ color: rgb(75, 66, 227);
/* oklch */ color: oklch(50.0% 0.233 276.4);

Tailwind

colors: {
  custom: {
    50: '#9078ed',
    500: '#4b42e3',
    950: '#000000',
  },
}

SCSS

$custom: #4b42e3;
$custom-light: #9078ed;
$custom-dark: #000000;

JSON

{
  "hex": "#4b42e3",
  "rgb": {
    "r": 75,
    "g": 66,
    "b": 227
  },
  "hsl": {
    "h": 243.354,
    "s": 74.194,
    "l": 57.451
  },
  "oklch": {
    "l": 0.50031,
    "c": 0.23264,
    "h": 276.4
  },
  "luminance": 0.10938
}

Semantic roles & 50–950 ramp

primary

#4B42E3

secondary

#DDE1A0

accent

#F137E6

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4B42E3

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

Preview Lab → · Contrast checker → · Palette generator →