#4B3BBB#4B3BBB

#4B3BBB is a mid, vivid blue. Relative luminance 0.082; OKLCH L 45.3% C 0.191 H 281.2°. Best body text is #FFFFFF at 7.95:1 contrast (WCAG AA passes).

Color values

HEX	#4B3BBB
RGB	rgb(75, 59, 187)
HSL	hsl(248, 52%, 48%)
HSV	hsv(248, 68%, 73%)
CMYK	cmyk(59.9%, 68.4%, 0%, 26.7%)
CIE-LAB	lab(34.42, 43.12, -65.16)
CIE-LCH	lch(34.42, 78.14, 303.50°)
OKLab	oklab(45.31% 0.0372 -0.1877)
OKLCH	oklch(45.31% 0.191 281.2)
XYZ	xyz(13.4324, 8.2107, 47.8811)
Luminance	0.0821 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B3BBB #ABBB3B

analogous

#3B6BBB #4B3BBB #8B3BBB

triadic

#4B3BBB #BB4B3B #3BBB4B

tetradic

#4B3BBB #BB3B6B #ABBB3B #3BBB8B

square

#4B3BBB #BB3B6B #ABBB3B #3BBB8B

split-complementary

#4B3BBB #BB8B3B #6BBB3B

monochromatic

#261E5E #382C8C #4B3BBB #7265CE #9D93DD

Accessibility & contrast

On white

7.95

#4B3BBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#4B3BBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B3BBB

7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B3BBB	#FFFFFF	#000000	##FFFFFF
##4B3BBB	1.00	7.95	2.64	7.95
#FFFFFF	7.95	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055BF

Deuteranopia (green-blind)

#004CB9

Tritanopia (blue-blind)

#005D76

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #4b3bbb;
/* rgb */ color: rgb(75, 59, 187);
/* oklch */ color: oklch(45.3% 0.191 281.2);

Tailwind

colors: {
  custom: {
    50: '#8972d1',
    500: '#4b3bbb',
    950: '#000000',
  },
}

SCSS

$custom: #4b3bbb;
$custom-light: #8972d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4b3bbb",
  "rgb": {
    "r": 75,
    "g": 59,
    "b": 187
  },
  "hsl": {
    "h": 247.5,
    "s": 52.033,
    "l": 48.235
  },
  "oklch": {
    "l": 0.45306,
    "c": 0.19136,
    "h": 281.2
  },
  "luminance": 0.08212
}

Semantic roles & 50–950 ramp

primary

#4B3BBB

secondary

#C0C88A

accent

#DB4CCA

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0814

muted

#7E7B82

Preview Lab

Preview with #4B3BBB

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

Preview Lab → · Contrast checker → · Palette generator →