#4B42BC#4B42BC

#4B42BC is a mid, vivid blue. Relative luminance 0.090; OKLCH L 46.5% C 0.184 H 279.7°. Best body text is #FFFFFF at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#4B42BC
RGB	rgb(75, 66, 188)
HSL	hsl(244, 48%, 50%)
HSV	hsv(244, 65%, 74%)
CMYK	cmyk(60.1%, 64.9%, 0%, 26.3%)
CIE-LAB	lab(36.03, 39.33, -63.12)
CIE-LCH	lch(36.03, 74.37, 301.93°)
OKLab	oklab(46.5% 0.0312 -0.1817)
OKLCH	oklch(46.5% 0.184 279.7)
XYZ	xyz(13.9241, 9.0221, 48.5749)
Luminance	0.0902 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.17

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B42BC #B3BC42

analogous

#4276BC #4B42BC #8842BC

triadic

#4B42BC #BC4B42 #42BC4B

tetradic

#4B42BC #BC4276 #B3BC42 #42BC88

square

#4B42BC #BC4276 #B3BC42 #42BC88

split-complementary

#4B42BC #BC8842 #76BC42

monochromatic

#272261 #39328F #4B42BC #766FCC #A19CDC

Accessibility & contrast

On white

7.49

#4B42BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#4B42BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B42BC

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B42BC	#FFFFFF	#000000	##FFFFFF
##4B42BC	1.00	7.49	2.80	7.49
#FFFFFF	7.49	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.49	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: #4b42bc;
/* rgb */ color: rgb(75, 66, 188);
/* oklch */ color: oklch(46.5% 0.184 279.7);

Tailwind

colors: {
  custom: {
    50: '#8977d1',
    500: '#4b42bc',
    950: '#000000',
  },
}

SCSS

$custom: #4b42bc;
$custom-light: #8977d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4b42bc",
  "rgb": {
    "r": 75,
    "g": 66,
    "b": 188
  },
  "hsl": {
    "h": 244.426,
    "s": 48.031,
    "l": 49.804
  },
  "oklch": {
    "l": 0.46496,
    "c": 0.18437,
    "h": 279.7
  },
  "luminance": 0.09023
}

Semantic roles & 50–950 ramp

primary

#4B42BC

secondary

#C4C991

accent

#D850CE

background

#F9F7FD

surface

#F1EDFA

border

#CBC8D3

text

#0D0914

muted

#7E7B83

Preview Lab

Preview with #4B42BC

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

Preview Lab → · Contrast checker → · Palette generator →