#4B3BB0#4B3BB0

#4B3BB0 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.3% C 0.177 H 282.6°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#4B3BB0
RGB	rgb(75, 59, 176)
HSL	hsl(248, 50%, 46%)
HSV	hsv(248, 66%, 69%)
CMYK	cmyk(57.4%, 66.5%, 0%, 31%)
CIE-LAB	lab(33.47, 39.66, -60.19)
CIE-LCH	lch(33.47, 72.08, 303.38°)
OKLab	oklab(44.33% 0.0388 -0.1731)
OKLCH	oklch(44.33% 0.177 282.6)
XYZ	xyz(12.2997, 7.7576, 41.9151)
Luminance	0.0776 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.03

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B3BB0 #A0B03B

analogous

#3B65B0 #4B3BB0 #853BB0

triadic

#4B3BB0 #B04B3B #3BB04B

tetradic

#4B3BB0 #B03B65 #A0B03B #3BB085

square

#4B3BB0 #B03B65 #A0B03B #3BB085

split-complementary

#4B3BB0 #B0853B #65B03B

monochromatic

#241C54 #372C82 #4B3BB0 #6D5FC9 #978DD9

Accessibility & contrast

On white

8.23

#4B3BB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#4B3BB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B3BB0

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B3BB0	#FFFFFF	#000000	##FFFFFF
##4B3BB0	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B4

Deuteranopia (green-blind)

#004BAE

Tritanopia (blue-blind)

#155970

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4b3bb0;
/* rgb */ color: rgb(75, 59, 176);
/* oklch */ color: oklch(44.3% 0.177 282.6);

Tailwind

colors: {
  custom: {
    50: '#8872c9',
    500: '#4b3bb0',
    950: '#000000',
  },
}

SCSS

$custom: #4b3bb0;
$custom-light: #8872c9;
$custom-dark: #000000;

JSON

{
  "hex": "#4b3bb0",
  "rgb": {
    "r": 75,
    "g": 59,
    "b": 176
  },
  "hsl": {
    "h": 248.205,
    "s": 49.787,
    "l": 46.078
  },
  "oklch": {
    "l": 0.44334,
    "c": 0.17742,
    "h": 282.6
  },
  "luminance": 0.07758
}

Semantic roles & 50–950 ramp

primary

#4B3BB0

secondary

#BBC383

accent

#D94EC6

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #4B3BB0

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

Preview Lab → · Contrast checker → · Palette generator →