#4B3CB5#4B3CB5

#4B3CB5 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.9% C 0.183 H 281.8°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#4B3CB5
RGB	rgb(75, 60, 181)
HSL	hsl(247, 50%, 47%)
HSV	hsv(247, 67%, 71%)
CMYK	cmyk(58.6%, 66.9%, 0%, 29%)
CIE-LAB	lab(34.11, 40.65, -62.11)
CIE-LCH	lch(34.11, 74.23, 303.20°)
OKLab	oklab(44.93% 0.0372 -0.1788)
OKLCH	oklch(44.93% 0.183 281.8)
XYZ	xyz(12.8554, 8.0629, 44.5860)
Luminance	0.0806 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.66

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B3CB5 #A6B53C

analogous

#3C6AB5 #4B3CB5 #883CB5

triadic

#4B3CB5 #B54B3C #3CB54B

tetradic

#4B3CB5 #B53C6A #A6B53C #3CB588

square

#4B3CB5 #B53C6A #A6B53C #3CB588

split-complementary

#4B3CB5 #B5883C #6AB53C

monochromatic

#251E59 #382D87 #4B3CB5 #7063CB #9A91DB

Accessibility & contrast

On white

8.04

#4B3CB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#4B3CB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B3CB5

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B3CB5	#FFFFFF	#000000	##FFFFFF
##4B3CB5	1.00	8.04	2.61	8.04
#FFFFFF	8.04	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B9

Deuteranopia (green-blind)

#004CB3

Tritanopia (blue-blind)

#075B73

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #4b3cb5;
/* rgb */ color: rgb(75, 60, 181);
/* oklch */ color: oklch(44.9% 0.183 281.8);

Tailwind

colors: {
  custom: {
    50: '#8873cc',
    500: '#4b3cb5',
    950: '#000000',
  },
}

SCSS

$custom: #4b3cb5;
$custom-light: #8873cc;
$custom-dark: #000000;

JSON

{
  "hex": "#4b3cb5",
  "rgb": {
    "r": 75,
    "g": 60,
    "b": 181
  },
  "hsl": {
    "h": 247.438,
    "s": 50.207,
    "l": 47.255
  },
  "oklch": {
    "l": 0.44927,
    "c": 0.18261,
    "h": 281.8
  },
  "luminance": 0.08064
}

Semantic roles & 50–950 ramp

primary

#4B3CB5

secondary

#BEC687

accent

#DA4EC8

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0D0813

muted

#7D7B82

Preview Lab

Preview with #4B3CB5

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

Preview Lab → · Contrast checker → · Palette generator →