#4B3CB3#4B3CB3

#4B3CB3 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.8% C 0.180 H 282.0°. Best body text is #FFFFFF at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#4B3CB3
RGB	rgb(75, 60, 179)
HSL	hsl(248, 50%, 47%)
HSV	hsv(248, 66%, 70%)
CMYK	cmyk(58.1%, 66.5%, 0%, 29.8%)
CIE-LAB	lab(33.94, 40.02, -61.21)
CIE-LCH	lch(33.94, 73.13, 303.18°)
OKLab	oklab(44.75% 0.0375 -0.1761)
OKLCH	oklch(44.75% 0.18 282)
XYZ	xyz(12.6517, 7.9814, 43.5130)
Luminance	0.0798 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.68

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B3CB3 #A4B33C

analogous

#3C69B3 #4B3CB3 #873CB3

triadic

#4B3CB3 #B34B3C #3CB34B

tetradic

#4B3CB3 #B33C69 #A4B33C #3CB387

square

#4B3CB3 #B33C69 #A4B33C #3CB387

split-complementary

#4B3CB3 #B3873C #69B33C

monochromatic

#251D57 #382D85 #4B3CB3 #6F62CA #9990DA

Accessibility & contrast

On white

8.09

#4B3CB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#4B3CB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B3CB3

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B3CB3	#FFFFFF	#000000	##FFFFFF
##4B3CB3	1.00	8.09	2.60	8.09
#FFFFFF	8.09	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B7

Deuteranopia (green-blind)

#004CB1

Tritanopia (blue-blind)

#0E5A72

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #4b3cb3;
/* rgb */ color: rgb(75, 60, 179);
/* oklch */ color: oklch(44.8% 0.180 282.0);

Tailwind

colors: {
  custom: {
    50: '#8873cb',
    500: '#4b3cb3',
    950: '#000000',
  },
}

SCSS

$custom: #4b3cb3;
$custom-light: #8873cb;
$custom-dark: #000000;

JSON

{
  "hex": "#4b3cb3",
  "rgb": {
    "r": 75,
    "g": 60,
    "b": 179
  },
  "hsl": {
    "h": 247.563,
    "s": 49.791,
    "l": 46.863
  },
  "oklch": {
    "l": 0.44753,
    "c": 0.18005,
    "h": 282
  },
  "luminance": 0.07982
}

Semantic roles & 50–950 ramp

primary

#4B3CB3

secondary

#BDC586

accent

#D94EC8

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #4B3CB3

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

Preview Lab → · Contrast checker → · Palette generator →