#4F42BC#4F42BC

#4F42BC is a mid, vivid blue. Relative luminance 0.092; OKLCH L 46.8% C 0.184 H 281.4°. Best body text is #FFFFFF at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#4F42BC
RGB	rgb(79, 66, 188)
HSL	hsl(246, 48%, 50%)
HSV	hsv(246, 65%, 74%)
CMYK	cmyk(58%, 64.9%, 0%, 26.3%)
CIE-LAB	lab(36.34, 39.98, -62.59)
CIE-LCH	lch(36.34, 74.26, 302.57°)
OKLab	oklab(46.81% 0.0364 -0.18)
OKLCH	oklch(46.81% 0.184 281.4)
XYZ	xyz(14.2469, 9.1886, 48.5900)
Luminance	0.0919 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.01

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F42BC #AFBC42

analogous

#4272BC #4F42BC #8C42BC

triadic

#4F42BC #BC4F42 #42BC4F

tetradic

#4F42BC #BC4272 #AFBC42 #42BC8C

square

#4F42BC #BC4272 #AFBC42 #42BC8C

split-complementary

#4F42BC #BC8C42 #72BC42

monochromatic

#292261 #3C328F #4F42BC #796FCC #A39CDC

Accessibility & contrast

On white

7.40

#4F42BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#4F42BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F42BC

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F42BC	#FFFFFF	#000000	##FFFFFF
##4F42BC	1.00	7.40	2.84	7.40
#FFFFFF	7.40	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC0

Deuteranopia (green-blind)

#0051BA

Tritanopia (blue-blind)

#0D6179

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #4f42bc;
/* rgb */ color: rgb(79, 66, 188);
/* oklch */ color: oklch(46.8% 0.184 281.4);

Tailwind

colors: {
  custom: {
    50: '#8b77d1',
    500: '#4f42bc',
    950: '#000000',
  },
}

SCSS

$custom: #4f42bc;
$custom-light: #8b77d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4f42bc",
  "rgb": {
    "r": 79,
    "g": 66,
    "b": 188
  },
  "hsl": {
    "h": 246.393,
    "s": 48.031,
    "l": 49.804
  },
  "oklch": {
    "l": 0.46807,
    "c": 0.18367,
    "h": 281.4
  },
  "luminance": 0.0919
}

Semantic roles & 50–950 ramp

primary

#4F42BC

secondary

#C3C991

accent

#D850C9

background

#F9F7FD

surface

#F1EDFA

border

#CBC8D3

text

#0D0914

muted

#7E7B83

Preview Lab

Preview with #4F42BC

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

Preview Lab → · Contrast checker → · Palette generator →