#4F42CF#4F42CF

#4F42CF is a mid, highly saturated blue. Relative luminance 0.101; OKLCH L 48.5% C 0.208 H 279.4°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#4F42CF
RGB	rgb(79, 66, 207)
HSL	hsl(246, 59%, 54%)
HSV	hsv(246, 68%, 81%)
CMYK	cmyk(61.8%, 68.1%, 0%, 18.8%)
CIE-LAB	lab(37.95, 45.98, -71.03)
CIE-LCH	lch(37.95, 84.61, 302.91°)
OKLab	oklab(48.47% 0.034 -0.2048)
OKLCH	oklch(48.47% 0.208 279.4)
XYZ	xyz(16.4316, 10.0624, 60.0957)
Luminance	0.1006 (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

#4F42CF #C2CF42

analogous

#427BCF #4F42CF #9542CF

triadic

#4F42CF #CF4F42 #42CF4F

tetradic

#4F42CF #CF427B #C2CF42 #42CF95

square

#4F42CF #CF427B #C2CF42 #42CF95

split-complementary

#4F42CF #CF9542 #7BCF42

monochromatic

#271F78 #372BA9 #4F42CF #7C73DB #AAA4E8

Accessibility & contrast

On white

6.97

#4F42CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#4F42CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F42CF

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F42CF	#FFFFFF	#000000	##FFFFFF
##4F42CF	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FD3

Deuteranopia (green-blind)

#0054CC

Tritanopia (blue-blind)

#006783

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4f42cf;
/* rgb */ color: rgb(79, 66, 207);
/* oklch */ color: oklch(48.5% 0.208 279.4);

Tailwind

colors: {
  custom: {
    50: '#8f78df',
    500: '#4f42cf',
    950: '#000000',
  },
}

SCSS

$custom: #4f42cf;
$custom-light: #8f78df;
$custom-dark: #000000;

JSON

{
  "hex": "#4f42cf",
  "rgb": {
    "r": 79,
    "g": 66,
    "b": 207
  },
  "hsl": {
    "h": 245.532,
    "s": 59.494,
    "l": 53.529
  },
  "oklch": {
    "l": 0.48467,
    "c": 0.2076,
    "h": 279.4
  },
  "luminance": 0.10064
}

Semantic roles & 50–950 ramp

primary

#4F42CF

secondary

#CFD598

accent

#E345D4

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0E0915

muted

#7E7B83

Preview Lab

Preview with #4F42CF

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

Preview Lab → · Contrast checker → · Palette generator →