#4B3BB3#4B3BB3

#4B3BB3 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.6% C 0.181 H 282.2°. Best body text is #FFFFFF at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#4B3BB3
RGB	rgb(75, 59, 179)
HSL	hsl(248, 50%, 47%)
HSV	hsv(248, 67%, 70%)
CMYK	cmyk(58.1%, 67%, 0%, 29.8%)
CIE-LAB	lab(33.73, 40.61, -61.56)
CIE-LCH	lch(33.73, 73.75, 303.41°)
OKLab	oklab(44.6% 0.0384 -0.1771)
OKLCH	oklch(44.6% 0.181 282.2)
XYZ	xyz(12.5998, 7.8776, 43.4957)
Luminance	0.0788 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.92

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B3BB3 #A3B33B

analogous

#3B67B3 #4B3BB3 #873BB3

triadic

#4B3BB3 #B34B3B #3BB34B

tetradic

#4B3BB3 #B33B67 #A3B33B #3BB387

square

#4B3BB3 #B33B67 #A3B33B #3BB387

split-complementary

#4B3BB3 #B3873B #67B33B

monochromatic

#241D57 #382C85 #4B3BB3 #6F60CB #998EDA

Accessibility & contrast

On white

8.15

#4B3BB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#4B3BB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B3BB3

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B3BB3	#FFFFFF	#000000	##FFFFFF
##4B3BB3	1.00	8.15	2.58	8.15
#FFFFFF	8.15	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B7

Deuteranopia (green-blind)

#004BB1

Tritanopia (blue-blind)

#0E5A72

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4b3bb3;
/* rgb */ color: rgb(75, 59, 179);
/* oklch */ color: oklch(44.6% 0.181 282.2);

Tailwind

colors: {
  custom: {
    50: '#8872cb',
    500: '#4b3bb3',
    950: '#000000',
  },
}

SCSS

$custom: #4b3bb3;
$custom-light: #8872cb;
$custom-dark: #000000;

JSON

{
  "hex": "#4b3bb3",
  "rgb": {
    "r": 75,
    "g": 59,
    "b": 179
  },
  "hsl": {
    "h": 248,
    "s": 50.42,
    "l": 46.667
  },
  "oklch": {
    "l": 0.44596,
    "c": 0.18125,
    "h": 282.2
  },
  "luminance": 0.07878
}

Semantic roles & 50–950 ramp

primary

#4B3BB3

secondary

#BCC585

accent

#DA4EC7

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #4B3BB3

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

Preview Lab → · Contrast checker → · Palette generator →