#4B3BB7#4B3BB7

#4B3BB7 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.9% C 0.186 H 281.7°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#4B3BB7
RGB	rgb(75, 59, 183)
HSL	hsl(248, 51%, 47%)
HSV	hsv(248, 68%, 72%)
CMYK	cmyk(59%, 67.8%, 0%, 28.2%)
CIE-LAB	lab(34.07, 41.86, -63.37)
CIE-LCH	lch(34.07, 75.95, 303.45°)
OKLab	oklab(44.95% 0.0378 -0.1824)
OKLCH	oklch(44.95% 0.186 281.7)
XYZ	xyz(13.0102, 8.0418, 45.6572)
Luminance	0.0804 (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

#4B3BB7 #A7B73B

analogous

#3B69B7 #4B3BB7 #893BB7

triadic

#4B3BB7 #B74B3B #3BB74B

tetradic

#4B3BB7 #B73B69 #A7B73B #3BB789

square

#4B3BB7 #B73B69 #A7B73B #3BB789

split-complementary

#4B3BB7 #B7893B #69B73B

monochromatic

#251D5A #382C89 #4B3BB7 #7063CD #9B91DC

Accessibility & contrast

On white

8.05

#4B3BB7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#4B3BB7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B3BB7

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B3BB7	#FFFFFF	#000000	##FFFFFF
##4B3BB7	1.00	8.05	2.61	8.05
#FFFFFF	8.05	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054BB

Deuteranopia (green-blind)

#004CB5

Tritanopia (blue-blind)

#015B74

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #4b3bb7;
/* rgb */ color: rgb(75, 59, 183);
/* oklch */ color: oklch(44.9% 0.186 281.7);

Tailwind

colors: {
  custom: {
    50: '#8972ce',
    500: '#4b3bb7',
    950: '#000000',
  },
}

SCSS

$custom: #4b3bb7;
$custom-light: #8972ce;
$custom-dark: #000000;

JSON

{
  "hex": "#4b3bb7",
  "rgb": {
    "r": 75,
    "g": 59,
    "b": 183
  },
  "hsl": {
    "h": 247.742,
    "s": 51.24,
    "l": 47.451
  },
  "oklch": {
    "l": 0.44949,
    "c": 0.18633,
    "h": 281.7
  },
  "luminance": 0.08043
}

Semantic roles & 50–950 ramp

primary

#4B3BB7

secondary

#BEC687

accent

#DB4DC8

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0814

muted

#7E7B82

Preview Lab

Preview with #4B3BB7

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

Preview Lab → · Contrast checker → · Palette generator →