#4B3BB2#4B3BB2

#4B3BB2 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.5% C 0.180 H 282.4°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#4B3BB2
RGB	rgb(75, 59, 178)
HSL	hsl(248, 50%, 46%)
HSV	hsv(248, 67%, 70%)
CMYK	cmyk(57.9%, 66.9%, 0%, 30.2%)
CIE-LAB	lab(33.64, 40.29, -61.11)
CIE-LCH	lch(33.64, 73.19, 303.40°)
OKLab	oklab(44.51% 0.0385 -0.1758)
OKLCH	oklch(44.51% 0.18 282.4)
XYZ	xyz(12.4990, 7.8373, 42.9650)
Luminance	0.0784 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.95

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B3BB2 #A2B23B

analogous

#3B67B2 #4B3BB2 #873BB2

triadic

#4B3BB2 #B24B3B #3BB24B

tetradic

#4B3BB2 #B23B67 #A2B23B #3BB287

square

#4B3BB2 #B23B67 #A2B23B #3BB287

split-complementary

#4B3BB2 #B2873B #67B23B

monochromatic

#241D56 #382C84 #4B3BB2 #6E60CA #988EDA

Accessibility & contrast

On white

8.18

#4B3BB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#4B3BB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B3BB2

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B3BB2	#FFFFFF	#000000	##FFFFFF
##4B3BB2	1.00	8.18	2.57	8.18
#FFFFFF	8.18	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B6

Deuteranopia (green-blind)

#004BB0

Tritanopia (blue-blind)

#105971

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4b3bb2;
/* rgb */ color: rgb(75, 59, 178);
/* oklch */ color: oklch(44.5% 0.180 282.4);

Tailwind

colors: {
  custom: {
    50: '#8872ca',
    500: '#4b3bb2',
    950: '#000000',
  },
}

SCSS

$custom: #4b3bb2;
$custom-light: #8872ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4b3bb2",
  "rgb": {
    "r": 75,
    "g": 59,
    "b": 178
  },
  "hsl": {
    "h": 248.067,
    "s": 50.211,
    "l": 46.471
  },
  "oklch": {
    "l": 0.44508,
    "c": 0.17998,
    "h": 282.4
  },
  "luminance": 0.07838
}

Semantic roles & 50–950 ramp

primary

#4B3BB2

secondary

#BCC485

accent

#DA4EC7

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #4B3BB2

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

Preview Lab → · Contrast checker → · Palette generator →