#4C42E1#4C42E1

#4C42E1 is a mid, highly saturated blue. Relative luminance 0.109; OKLCH L 49.9% C 0.230 H 276.8°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#4C42E1
RGB	rgb(76, 66, 225)
HSL	hsl(244, 73%, 57%)
HSV	hsv(244, 71%, 88%)
CMYK	cmyk(66.2%, 70.7%, 0%, 11.8%)
CIE-LAB	lab(39.36, 51.24, -79.08)
CIE-LCH	lch(39.36, 94.22, 302.94°)
OKLab	oklab(49.91% 0.0274 -0.2284)
OKLCH	oklch(49.91% 0.23 276.8)
XYZ	xyz(18.5149, 10.8676, 72.3415)
Luminance	0.1087 (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

#4C42E1 #D7E142

analogous

#4287E1 #4C42E1 #9C42E1

triadic

#4C42E1 #E14C42 #42E14C

tetradic

#4C42E1 #E14287 #D7E142 #42E19C

square

#4C42E1 #E14287 #D7E142 #42E19C

split-complementary

#4C42E1 #E19C42 #87E142

monochromatic

#1F1792 #2A1FC6 #4C42E1 #7E77E9 #B0ACF2

Accessibility & contrast

On white

6.62

#4C42E1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#4C42E1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C42E1

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C42E1	#FFFFFF	#000000	##FFFFFF
##4C42E1	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	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: #4c42e1;
/* rgb */ color: rgb(76, 66, 225);
/* oklch */ color: oklch(49.9% 0.230 276.8);

Tailwind

colors: {
  custom: {
    50: '#9078ec',
    500: '#4c42e1',
    950: '#000000',
  },
}

SCSS

$custom: #4c42e1;
$custom-light: #9078ec;
$custom-dark: #000000;

JSON

{
  "hex": "#4c42e1",
  "rgb": {
    "r": 76,
    "g": 66,
    "b": 225
  },
  "hsl": {
    "h": 243.774,
    "s": 72.603,
    "l": 57.059
  },
  "oklch": {
    "l": 0.49909,
    "c": 0.23003,
    "h": 276.8
  },
  "luminance": 0.10869
}

Semantic roles & 50–950 ramp

primary

#4C42E1

secondary

#DCE09F

accent

#EF38E4

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4C42E1

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

Preview Lab → · Contrast checker → · Palette generator →