#4B3BB9#4B3BB9

#4B3BB9 is a mid, vivid blue. Relative luminance 0.081; OKLCH L 45.1% C 0.189 H 281.5°. Best body text is #FFFFFF at 8.00:1 contrast (WCAG AA passes).

Color values

HEX	#4B3BB9
RGB	rgb(75, 59, 185)
HSL	hsl(248, 52%, 48%)
HSV	hsv(248, 68%, 73%)
CMYK	cmyk(59.5%, 68.1%, 0%, 27.5%)
CIE-LAB	lab(34.24, 42.49, -64.27)
CIE-LCH	lch(34.24, 77.05, 303.47°)
OKLab	oklab(45.13% 0.0375 -0.1851)
OKLCH	oklch(45.13% 0.189 281.5)
XYZ	xyz(13.2198, 8.1257, 46.7613)
Luminance	0.0813 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.98

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B3BB9 #A9B93B

analogous

#3B6AB9 #4B3BB9 #8A3BB9

triadic

#4B3BB9 #B94B3B #3BB94B

tetradic

#4B3BB9 #B93B6A #A9B93B #3BB98A

square

#4B3BB9 #B93B6A #A9B93B #3BB98A

split-complementary

#4B3BB9 #B98A3B #6AB93B

monochromatic

#251D5C #382C8B #4B3BB9 #7164CD #9C92DC

Accessibility & contrast

On white

8.00

#4B3BB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#4B3BB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B3BB9

8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B3BB9	#FFFFFF	#000000	##FFFFFF
##4B3BB9	1.00	8.00	2.63	8.00
#FFFFFF	8.00	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	8.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055BD

Deuteranopia (green-blind)

#004CB7

Tritanopia (blue-blind)

#005C75

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #4b3bb9;
/* rgb */ color: rgb(75, 59, 185);
/* oklch */ color: oklch(45.1% 0.189 281.5);

Tailwind

colors: {
  custom: {
    50: '#8972cf',
    500: '#4b3bb9',
    950: '#000000',
  },
}

SCSS

$custom: #4b3bb9;
$custom-light: #8972cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4b3bb9",
  "rgb": {
    "r": 75,
    "g": 59,
    "b": 185
  },
  "hsl": {
    "h": 247.619,
    "s": 51.639,
    "l": 47.843
  },
  "oklch": {
    "l": 0.45127,
    "c": 0.18885,
    "h": 281.5
  },
  "luminance": 0.08127
}

Semantic roles & 50–950 ramp

primary

#4B3BB9

secondary

#BFC788

accent

#DB4DC9

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0814

muted

#7E7B82

Preview Lab

Preview with #4B3BB9

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

Preview Lab → · Contrast checker → · Palette generator →