#4B3FA4#4B3FA4

#4B3FA4 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.0% C 0.156 H 283.3°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX#4B3FA4
RGBrgb(75, 63, 164)
HSLhsl(247, 44%, 45%)
HSVhsv(247, 62%, 64%)
CMYKcmyk(54.3%, 61.6%, 0%, 35.7%)
CIE-LABlab(33.42, 33.42, -53.11)
CIE-LCHlch(33.42, 62.75, 302.19°)
OKLaboklab(43.99% 0.0359 -0.1523)
OKLCHoklch(43.99% 0.156 283.3)
XYZxyz(11.3780, 7.7306, 36.0074)
Luminance0.0773 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4B3FA4 #98A43F
analogous
#3F66A4 #4B3FA4 #7E3FA4
triadic
#4B3FA4 #A44B3F #3FA44B
tetradic
#4B3FA4 #A43F66 #98A43F #3FA47E
square
#4B3FA4 #A43F66 #98A43F #3FA47E
split-complementary
#4B3FA4 #A47E3F #66A43F
monochromatic
#231D4C #372E78 #4B3FA4 #6A5FC1 #938BD2

Accessibility & contrast

On white

8.25
#4B3FA4 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.55
#4B3FA4 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B3FA4
8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4B3FA4#FFFFFF#000000##FFFFFF
##4B3FA41.008.252.558.25
#FFFFFF8.251.0021.001.00
#0000002.5521.001.0021.00
##FFFFFF8.251.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0052A7
Deuteranopia (green-blind)
#004BA2
Tritanopia (blue-blind)
#25576B
Achromatopsia (no color)
#4F4F4F

Design tokens & code

CSS
--color: #4b3fa4;
/* rgb */ color: rgb(75, 63, 164);
/* oklch */ color: oklch(44.0% 0.156 283.3);
Tailwind
colors: {
  custom: {
    50: '#8574c0',
    500: '#4b3fa4',
    950: '#000000',
  },
}
SCSS
$custom: #4b3fa4;
$custom-light: #8574c0;
$custom-dark: #000000;
JSON
{
  "hex": "#4b3fa4",
  "rgb": {
    "r": 75,
    "g": 63,
    "b": 164
  },
  "hsl": {
    "h": 247.129,
    "s": 44.493,
    "l": 44.51
  },
  "oklch": {
    "l": 0.4399,
    "c": 0.15648,
    "h": 283.3
  },
  "luminance": 0.07731
}

Semantic roles & 50–950 ramp

primary
#4B3FA4
secondary
#B6BD82
accent
#D454C5
background
#F8F7FB
surface
#F0EDF7
border
#CBC8D0
text
#0C0812
muted
#7D7B81

Preview Lab

Preview with #4B3FA4

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

Preview Lab → · Contrast checker → · Palette generator →

#4B3FA4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva