#4F42DB#4F42DB

#4F42DB is a mid, highly saturated blue. Relative luminance 0.107; OKLCH L 49.6% C 0.222 H 278.3°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#4F42DB
RGB	rgb(79, 66, 219)
HSL	hsl(245, 68%, 56%)
HSV	hsv(245, 70%, 86%)
CMYK	cmyk(63.9%, 69.9%, 0%, 14.1%)
CIE-LAB	lab(39.02, 49.73, -76.19)
CIE-LCH	lch(39.02, 90.98, 303.13°)
OKLab	oklab(49.56% 0.0322 -0.2199)
OKLCH	oklch(49.56% 0.222 278.3)
XYZ	xyz(17.9547, 10.6717, 68.1178)
Luminance	0.1067 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.13

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F42DB #CEDB42

analogous

#4281DB #4F42DB #9B42DB

triadic

#4F42DB #DB4F42 #42DB4F

tetradic

#4F42DB #DB4281 #CEDB42 #42DB9B

square

#4F42DB #DB4281 #CEDB42 #42DB9B

split-complementary

#4F42DB #DB9B42 #81DB42

monochromatic

#231A89 #3124BC #4F42DB #7F75E5 #AFA9EF

Accessibility & contrast

On white

6.70

#4F42DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#4F42DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F42DB

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F42DB	#FFFFFF	#000000	##FFFFFF
##4F42DB	1.00	6.70	3.13	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062E0

Deuteranopia (green-blind)

#0056D8

Tritanopia (blue-blind)

#006C8A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4f42db;
/* rgb */ color: rgb(79, 66, 219);
/* oklch */ color: oklch(49.6% 0.222 278.3);

Tailwind

colors: {
  custom: {
    50: '#9178e7',
    500: '#4f42db',
    950: '#000000',
  },
}

SCSS

$custom: #4f42db;
$custom-light: #9178e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4f42db",
  "rgb": {
    "r": 79,
    "g": 66,
    "b": 219
  },
  "hsl": {
    "h": 245.098,
    "s": 68,
    "l": 55.882
  },
  "oklch": {
    "l": 0.49558,
    "c": 0.22222,
    "h": 278.3
  },
  "luminance": 0.10673
}

Semantic roles & 50–950 ramp

primary

#4F42DB

secondary

#D7DC9D

accent

#EB3DDC

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4F42DB

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

Preview Lab → · Contrast checker → · Palette generator →