#4F42DD#4F42DD

#4F42DD is a mid, highly saturated blue. Relative luminance 0.108; OKLCH L 49.7% C 0.225 H 278.1°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#4F42DD
RGB	rgb(79, 66, 221)
HSL	hsl(245, 70%, 56%)
HSV	hsv(245, 70%, 87%)
CMYK	cmyk(64.3%, 70.1%, 0%, 13.3%)
CIE-LAB	lab(39.20, 50.35, -77.03)
CIE-LCH	lch(39.20, 92.03, 303.17°)
OKLab	oklab(49.74% 0.0318 -0.2224)
OKLCH	oklch(49.74% 0.225 278.1)
XYZ	xyz(18.2196, 10.7777, 69.5128)
Luminance	0.1078 (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

#4F42DD #D0DD42

analogous

#4283DD #4F42DD #9D42DD

triadic

#4F42DD #DD4F42 #42DD4F

tetradic

#4F42DD #DD4283 #D0DD42 #42DD9D

square

#4F42DD #DD4283 #D0DD42 #42DD9D

split-complementary

#4F42DD #DD9D42 #83DD42

monochromatic

#23198C #3022BF #4F42DD #7F76E6 #B0AAF0

Accessibility & contrast

On white

6.65

#4F42DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#4F42DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F42DD

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F42DD	#FFFFFF	#000000	##FFFFFF
##4F42DD	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063E2

Deuteranopia (green-blind)

#0056DA

Tritanopia (blue-blind)

#006C8B

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4f42dd;
/* rgb */ color: rgb(79, 66, 221);
/* oklch */ color: oklch(49.7% 0.225 278.1);

Tailwind

colors: {
  custom: {
    50: '#9178e9',
    500: '#4f42dd',
    950: '#000000',
  },
}

SCSS

$custom: #4f42dd;
$custom-light: #9178e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4f42dd",
  "rgb": {
    "r": 79,
    "g": 66,
    "b": 221
  },
  "hsl": {
    "h": 245.032,
    "s": 69.507,
    "l": 56.275
  },
  "oklch": {
    "l": 0.49743,
    "c": 0.22463,
    "h": 278.1
  },
  "luminance": 0.10779
}

Semantic roles & 50–950 ramp

primary

#4F42DD

secondary

#D8DD9D

accent

#EC3BDD

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4F42DD

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

Preview Lab → · Contrast checker → · Palette generator →