#4F42DC#4F42DC

#4F42DC is a mid, highly saturated blue. Relative luminance 0.107; OKLCH L 49.7% C 0.223 H 278.2°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#4F42DC
RGB	rgb(79, 66, 220)
HSL	hsl(245, 69%, 56%)
HSV	hsv(245, 70%, 86%)
CMYK	cmyk(64.1%, 70%, 0%, 13.7%)
CIE-LAB	lab(39.11, 50.04, -76.61)
CIE-LCH	lch(39.11, 91.50, 303.15°)
OKLab	oklab(49.65% 0.032 -0.2211)
OKLCH	oklch(49.65% 0.223 278.2)
XYZ	xyz(18.0868, 10.7245, 68.8132)
Luminance	0.1073 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.21

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F42DC #CFDC42

analogous

#4282DC #4F42DC #9C42DC

triadic

#4F42DC #DC4F42 #42DC4F

tetradic

#4F42DC #DC4282 #CFDC42 #42DC9C

square

#4F42DC #DC4282 #CFDC42 #42DC9C

split-complementary

#4F42DC #DC9C42 #82DC42

monochromatic

#231A8A #3023BE #4F42DC #7F76E6 #AFA9EF

Accessibility & contrast

On white

6.68

#4F42DC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#4F42DC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F42DC

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F42DC	#FFFFFF	#000000	##FFFFFF
##4F42DC	1.00	6.68	3.15	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062E1

Deuteranopia (green-blind)

#0056D9

Tritanopia (blue-blind)

#006C8A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4f42dc;
/* rgb */ color: rgb(79, 66, 220);
/* oklch */ color: oklch(49.7% 0.223 278.2);

Tailwind

colors: {
  custom: {
    50: '#9178e8',
    500: '#4f42dc',
    950: '#000000',
  },
}

SCSS

$custom: #4f42dc;
$custom-light: #9178e8;
$custom-dark: #000000;

JSON

{
  "hex": "#4f42dc",
  "rgb": {
    "r": 79,
    "g": 66,
    "b": 220
  },
  "hsl": {
    "h": 245.065,
    "s": 68.75,
    "l": 56.078
  },
  "oklch": {
    "l": 0.49651,
    "c": 0.22342,
    "h": 278.2
  },
  "luminance": 0.10726
}

Semantic roles & 50–950 ramp

primary

#4F42DC

secondary

#D7DD9D

accent

#EC3CDD

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4F42DC

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

Preview Lab → · Contrast checker → · Palette generator →