#4F42CC#4F42CC

#4F42CC is a mid, highly saturated blue. Relative luminance 0.099; OKLCH L 48.2% C 0.204 H 279.7°. Best body text is #FFFFFF at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#4F42CC
RGB	rgb(79, 66, 204)
HSL	hsl(246, 58%, 53%)
HSV	hsv(246, 68%, 80%)
CMYK	cmyk(61.3%, 67.6%, 0%, 20%)
CIE-LAB	lab(37.69, 45.03, -69.72)
CIE-LCH	lch(37.69, 83.00, 302.86°)
OKLab	oklab(48.2% 0.0345 -0.2009)
OKLCH	oklch(48.2% 0.204 279.7)
XYZ	xyz(16.0683, 9.9171, 58.1825)
Luminance	0.0992 (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

#4F42CC #BFCC42

analogous

#427ACC #4F42CC #9442CC

triadic

#4F42CC #CC4F42 #42CC4F

tetradic

#4F42CC #CC427A #BFCC42 #42CC94

square

#4F42CC #CC427A #BFCC42 #42CC94

split-complementary

#4F42CC #CC9442 #7ACC42

monochromatic

#271F74 #382CA4 #4F42CC #7C72D9 #A9A2E6

Accessibility & contrast

On white

7.04

#4F42CC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#4F42CC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F42CC

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F42CC	#FFFFFF	#000000	##FFFFFF
##4F42CC	1.00	7.04	2.98	7.04
#FFFFFF	7.04	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ED0

Deuteranopia (green-blind)

#0053C9

Tritanopia (blue-blind)

#006682

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4f42cc;
/* rgb */ color: rgb(79, 66, 204);
/* oklch */ color: oklch(48.2% 0.204 279.7);

Tailwind

colors: {
  custom: {
    50: '#8e78dd',
    500: '#4f42cc',
    950: '#000000',
  },
}

SCSS

$custom: #4f42cc;
$custom-light: #8e78dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4f42cc",
  "rgb": {
    "r": 79,
    "g": 66,
    "b": 204
  },
  "hsl": {
    "h": 245.652,
    "s": 57.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.48199,
    "c": 0.20388,
    "h": 279.7
  },
  "luminance": 0.09918
}

Semantic roles & 50–950 ramp

primary

#4F42CC

secondary

#CDD397

accent

#E147D2

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0E0915

muted

#7E7B83

Preview Lab

Preview with #4F42CC

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

Preview Lab → · Contrast checker → · Palette generator →