#4B3DB5#4B3DB5

#4B3DB5 is a mid, vivid blue. Relative luminance 0.082; OKLCH L 45.1% C 0.181 H 281.6°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX#4B3DB5
RGBrgb(75, 61, 181)
HSLhsl(247, 50%, 47%)
HSVhsv(247, 66%, 71%)
CMYKcmyk(58.6%, 66.3%, 0%, 29%)
CIE-LABlab(34.33, 40.06, -61.76)
CIE-LCHlch(34.33, 73.61, 302.97°)
OKLaboklab(45.08% 0.0364 -0.1777)
OKLCHoklch(45.08% 0.181 281.6)
XYZxyz(12.9083, 8.1687, 44.6036)
Luminance0.0817 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4B3DB5 #A7B53D
analogous
#3D6BB5 #4B3DB5 #873DB5
triadic
#4B3DB5 #B54B3D #3DB54B
tetradic
#4B3DB5 #B53D6B #A7B53D #3DB587
square
#4B3DB5 #B53D6B #A7B53D #3DB587
split-complementary
#4B3DB5 #B5873D #6BB53D
monochromatic
#251E59 #382E87 #4B3DB5 #7064CB #9B92DA

Accessibility & contrast

On white

7.97
#4B3DB5 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.63
#4B3DB5 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B3DB5
7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4B3DB5#FFFFFF#000000##FFFFFF
##4B3DB51.007.972.637.97
#FFFFFF7.971.0021.001.00
#0000002.6321.001.0021.00
##FFFFFF7.971.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0055B9
Deuteranopia (green-blind)
#004CB3
Tritanopia (blue-blind)
#075C73
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #4b3db5;
/* rgb */ color: rgb(75, 61, 181);
/* oklch */ color: oklch(45.1% 0.181 281.6);
Tailwind
colors: {
  custom: {
    50: '#8874cc',
    500: '#4b3db5',
    950: '#000000',
  },
}
SCSS
$custom: #4b3db5;
$custom-light: #8874cc;
$custom-dark: #000000;
JSON
{
  "hex": "#4b3db5",
  "rgb": {
    "r": 75,
    "g": 61,
    "b": 181
  },
  "hsl": {
    "h": 247,
    "s": 49.587,
    "l": 47.451
  },
  "oklch": {
    "l": 0.45085,
    "c": 0.1814,
    "h": 281.6
  },
  "luminance": 0.0817
}

Semantic roles & 50–950 ramp

primary
#4B3DB5
secondary
#BEC588
accent
#D94FC9
background
#F8F7FC
surface
#F0EDF9
border
#CBC8D2
text
#0D0813
muted
#7D7B82

Preview Lab

Preview with #4B3DB5

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

Preview Lab → · Contrast checker → · Palette generator →

#4B3DB5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva