#4C42BC#4C42BC

#4C42BC is a mid, vivid blue. Relative luminance 0.091; OKLCH L 46.6% C 0.184 H 280.2°. Best body text is #FFFFFF at 7.47:1 contrast (WCAG AA passes).

Color values

HEX	#4C42BC
RGB	rgb(76, 66, 188)
HSL	hsl(245, 48%, 50%)
HSV	hsv(245, 65%, 74%)
CMYK	cmyk(59.6%, 64.9%, 0%, 26.3%)
CIE-LAB	lab(36.10, 39.49, -62.99)
CIE-LCH	lch(36.10, 74.34, 302.08°)
OKLab	oklab(46.57% 0.0325 -0.1813)
OKLCH	oklch(46.57% 0.184 280.2)
XYZ	xyz(14.0029, 9.0628, 48.5786)
Luminance	0.0906 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.10

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C42BC #B2BC42

analogous

#4275BC #4C42BC #8942BC

triadic

#4C42BC #BC4C42 #42BC4C

tetradic

#4C42BC #BC4275 #B2BC42 #42BC89

square

#4C42BC #BC4275 #B2BC42 #42BC89

split-complementary

#4C42BC #BC8942 #75BC42

monochromatic

#272261 #3A328F #4C42BC #766FCC #A19CDC

Accessibility & contrast

On white

7.47

#4C42BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#4C42BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C42BC

7.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C42BC	#FFFFFF	#000000	##FFFFFF
##4C42BC	1.00	7.47	2.81	7.47
#FFFFFF	7.47	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C0

Deuteranopia (green-blind)

#0050BA

Tritanopia (blue-blind)

#006179

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #4c42bc;
/* rgb */ color: rgb(76, 66, 188);
/* oklch */ color: oklch(46.6% 0.184 280.2);

Tailwind

colors: {
  custom: {
    50: '#8a77d1',
    500: '#4c42bc',
    950: '#000000',
  },
}

SCSS

$custom: #4c42bc;
$custom-light: #8a77d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4c42bc",
  "rgb": {
    "r": 76,
    "g": 66,
    "b": 188
  },
  "hsl": {
    "h": 244.918,
    "s": 48.031,
    "l": 49.804
  },
  "oklch": {
    "l": 0.46572,
    "c": 0.18418,
    "h": 280.2
  },
  "luminance": 0.09064
}

Semantic roles & 50–950 ramp

primary

#4C42BC

secondary

#C4C991

accent

#D850CD

background

#F9F7FD

surface

#F1EDFA

border

#CBC8D3

text

#0D0914

muted

#7E7B83

Preview Lab

Preview with #4C42BC

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

Preview Lab → · Contrast checker → · Palette generator →