#4B3FB2#4B3FB2

#4B3FB2 is a mid, vivid blue. Relative luminance 0.083; OKLCH L 45.1% C 0.175 H 281.5°. Best body text is #FFFFFF at 7.92:1 contrast (WCAG AA passes).

Color values

HEX#4B3FB2
RGBrgb(75, 63, 178)
HSLhsl(246, 48%, 47%)
HSVhsv(246, 65%, 70%)
CMYKcmyk(57.9%, 64.6%, 0%, 30.2%)
CIE-LABlab(34.53, 37.91, -59.66)
CIE-LCHlch(34.53, 70.69, 302.43°)
OKLaboklab(45.15% 0.0349 -0.1716)
OKLCHoklch(45.15% 0.175 281.5)
XYZxyz(12.7125, 8.2644, 43.0361)
Luminance0.0827 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4B3FB2 #A6B23F
analogous
#3F6CB2 #4B3FB2 #853FB2
triadic
#4B3FB2 #B24B3F #3FB24B
tetradic
#4B3FB2 #B23F6C #A6B23F #3FB285
square
#4B3FB2 #B23F6C #A6B23F #3FB285
split-complementary
#4B3FB2 #B2853F #6CB23F
monochromatic
#251F58 #382F85 #4B3FB2 #7066C9 #9A93D9

Accessibility & contrast

On white

7.92
#4B3FB2 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.65
#4B3FB2 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B3FB2
7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4B3FB2#FFFFFF#000000##FFFFFF
##4B3FB21.007.922.657.92
#FFFFFF7.921.0021.001.00
#0000002.6521.001.0021.00
##FFFFFF7.921.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0055B6
Deuteranopia (green-blind)
#004DB0
Tritanopia (blue-blind)
#0F5C73
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #4b3fb2;
/* rgb */ color: rgb(75, 63, 178);
/* oklch */ color: oklch(45.1% 0.175 281.5);
Tailwind
colors: {
  custom: {
    50: '#8875ca',
    500: '#4b3fb2',
    950: '#000000',
  },
}
SCSS
$custom: #4b3fb2;
$custom-light: #8875ca;
$custom-dark: #000000;
JSON
{
  "hex": "#4b3fb2",
  "rgb": {
    "r": 75,
    "g": 63,
    "b": 178
  },
  "hsl": {
    "h": 246.261,
    "s": 47.718,
    "l": 47.255
  },
  "oklch": {
    "l": 0.4515,
    "c": 0.17507,
    "h": 281.5
  },
  "luminance": 0.08265
}

Semantic roles & 50–950 ramp

primary
#4B3FB2
secondary
#BEC489
accent
#D750C9
background
#F8F7FC
surface
#F0EDF8
border
#CBC8D1
text
#0C0813
muted
#7D7B82

Preview Lab

Preview with #4B3FB2

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

Preview Lab → · Contrast checker → · Palette generator →

#4B3FB2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva