#4B43BC#4B43BC

#4B43BC is a mid, vivid blue. Relative luminance 0.091; OKLCH L 46.7% C 0.183 H 279.5°. Best body text is #FFFFFF at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#4B43BC
RGB	rgb(75, 67, 188)
HSL	hsl(244, 47%, 50%)
HSV	hsv(244, 64%, 74%)
CMYK	cmyk(60.1%, 64.4%, 0%, 26.3%)
CIE-LAB	lab(36.25, 38.73, -62.75)
CIE-LCH	lch(36.25, 73.74, 301.68°)
OKLab	oklab(46.66% 0.0303 -0.1806)
OKLCH	oklch(46.66% 0.183 279.5)
XYZ	xyz(13.9830, 9.1400, 48.5945)
Luminance	0.0914 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.23

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B43BC #B4BC43

analogous

#4377BC #4B43BC #8843BC

triadic

#4B43BC #BC4B43 #43BC4B

tetradic

#4B43BC #BC4377 #B4BC43 #43BC88

square

#4B43BC #BC4377 #B4BC43 #43BC88

split-complementary

#4B43BC #BC8843 #77BC43

monochromatic

#272362 #39338F #4B43BC #7670CC #A19DDC

Accessibility & contrast

On white

7.43

#4B43BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#4B43BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B43BC

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B43BC	#FFFFFF	#000000	##FFFFFF
##4B43BC	1.00	7.43	2.83	7.43
#FFFFFF	7.43	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC0

Deuteranopia (green-blind)

#0051BA

Tritanopia (blue-blind)

#006279

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #4b43bc;
/* rgb */ color: rgb(75, 67, 188);
/* oklch */ color: oklch(46.7% 0.183 279.5);

Tailwind

colors: {
  custom: {
    50: '#8978d1',
    500: '#4b43bc',
    950: '#000000',
  },
}

SCSS

$custom: #4b43bc;
$custom-light: #8978d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4b43bc",
  "rgb": {
    "r": 75,
    "g": 67,
    "b": 188
  },
  "hsl": {
    "h": 243.967,
    "s": 47.451,
    "l": 50
  },
  "oklch": {
    "l": 0.4666,
    "c": 0.18315,
    "h": 279.5
  },
  "luminance": 0.09141
}

Semantic roles & 50–950 ramp

primary

#4B43BC

secondary

#C5C992

accent

#D751CE

background

#F9F7FD

surface

#F1EDFA

border

#CBC8D3

text

#0D0914

muted

#7E7B83

Preview Lab

Preview with #4B43BC

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

Preview Lab → · Contrast checker → · Palette generator →