#4B45BC#4B45BC

#4B45BC is a mid, vivid blue. Relative luminance 0.094; OKLCH L 47.0% C 0.181 H 279.1°. Best body text is #FFFFFF at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#4B45BC
RGB	rgb(75, 69, 188)
HSL	hsl(243, 47%, 50%)
HSV	hsv(243, 63%, 74%)
CMYK	cmyk(60.1%, 63.3%, 0%, 26.3%)
CIE-LAB	lab(36.71, 37.51, -62.00)
CIE-LCH	lch(36.71, 72.47, 301.18°)
OKLab	oklab(46.99% 0.0286 -0.1784)
OKLCH	oklch(46.99% 0.181 279.1)
XYZ	xyz(14.1040, 9.3819, 48.6349)
Luminance	0.0938 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.51

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B45BC #B6BC45

analogous

#457ABC #4B45BC #8645BC

triadic

#4B45BC #BC4B45 #45BC4B

tetradic

#4B45BC #BC457A #B6BC45 #45BC86

square

#4B45BC #BC457A #B6BC45 #45BC86

split-complementary

#4B45BC #BC8645 #7ABC45

monochromatic

#272463 #383490 #4B45BC #7772CC #A29FDC

Accessibility & contrast

On white

7.30

#4B45BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#4B45BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B45BC

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B45BC	#FFFFFF	#000000	##FFFFFF
##4B45BC	1.00	7.30	2.88	7.30
#FFFFFF	7.30	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC0

Deuteranopia (green-blind)

#0052BA

Tritanopia (blue-blind)

#00637A

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #4b45bc;
/* rgb */ color: rgb(75, 69, 188);
/* oklch */ color: oklch(47.0% 0.181 279.1);

Tailwind

colors: {
  custom: {
    50: '#8979d1',
    500: '#4b45bc',
    950: '#000000',
  },
}

SCSS

$custom: #4b45bc;
$custom-light: #8979d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4b45bc",
  "rgb": {
    "r": 75,
    "g": 69,
    "b": 188
  },
  "hsl": {
    "h": 243.025,
    "s": 47.036,
    "l": 50.392
  },
  "oklch": {
    "l": 0.46993,
    "c": 0.18069,
    "h": 279.1
  },
  "luminance": 0.09383
}

Semantic roles & 50–950 ramp

primary

#4B45BC

secondary

#C6C994

accent

#D751D0

background

#F9F7FD

surface

#F1EDFA

border

#CBC8D3

text

#0D0914

muted

#7E7B83

Preview Lab

Preview with #4B45BC

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

Preview Lab → · Contrast checker → · Palette generator →