#4B3DB3#4B3DB3

#4B3DB3 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.9% C 0.179 H 281.8°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).

Color values

HEX	#4B3DB3
RGB	rgb(75, 61, 179)
HSL	hsl(247, 49%, 47%)
HSV	hsv(247, 66%, 70%)
CMYK	cmyk(58.1%, 65.9%, 0%, 29.8%)
CIE-LAB	lab(34.16, 39.42, -60.85)
CIE-LCH	lch(34.16, 72.50, 302.94°)
OKLab	oklab(44.91% 0.0366 -0.175)
OKLCH	oklch(44.91% 0.179 281.8)
XYZ	xyz(12.7045, 8.0872, 43.5306)
Luminance	0.0809 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.43

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B3DB3 #A5B33D

analogous

#3D6AB3 #4B3DB3 #863DB3

triadic

#4B3DB3 #B34B3D #3DB34B

tetradic

#4B3DB3 #B33D6A #A5B33D #3DB386

square

#4B3DB3 #B33D6A #A5B33D #3DB386

split-complementary

#4B3DB3 #B3863D #6AB33D

monochromatic

#251E58 #382D85 #4B3DB3 #6F63CA #9A91D9

Accessibility & contrast

On white

8.02

#4B3DB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#4B3DB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B3DB3

8.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B3DB3	#FFFFFF	#000000	##FFFFFF
##4B3DB3	1.00	8.02	2.62	8.02
#FFFFFF	8.02	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B7

Deuteranopia (green-blind)

#004CB1

Tritanopia (blue-blind)

#0D5B72

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #4b3db3;
/* rgb */ color: rgb(75, 61, 179);
/* oklch */ color: oklch(44.9% 0.179 281.8);

Tailwind

colors: {
  custom: {
    50: '#8873cb',
    500: '#4b3db3',
    950: '#000000',
  },
}

SCSS

$custom: #4b3db3;
$custom-light: #8873cb;
$custom-dark: #000000;

JSON

{
  "hex": "#4b3db3",
  "rgb": {
    "r": 75,
    "g": 61,
    "b": 179
  },
  "hsl": {
    "h": 247.119,
    "s": 49.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.44912,
    "c": 0.17883,
    "h": 281.8
  },
  "luminance": 0.08088
}

Semantic roles & 50–950 ramp

primary

#4B3DB3

secondary

#BDC587

accent

#D94FC8

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #4B3DB3

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

Preview Lab → · Contrast checker → · Palette generator →