#4B439D#4B439D

#4B439D is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.2% C 0.141 H 283.0°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX#4B439D
RGBrgb(75, 67, 157)
HSLhsl(245, 40%, 44%)
HSVhsv(245, 57%, 62%)
CMYKcmyk(52.2%, 57.3%, 0%, 38.4%)
CIE-LABlab(33.87, 28.67, -48.16)
CIE-LCHlch(33.87, 56.05, 300.77°)
OKLaboklab(44.16% 0.0317 -0.1377)
OKLCHoklch(44.16% 0.141 283)
XYZxyz(10.9928, 7.9439, 32.8458)
Luminance0.0794 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4B439D #959D43
analogous
#43689D #4B439D #78439D
triadic
#4B439D #9D4B43 #439D4B
tetradic
#4B439D #9D4368 #959D43 #439D78
square
#4B439D #9D4368 #959D43 #439D78
split-complementary
#4B439D #9D7843 #689D43
monochromatic
#221E47 #373172 #4B439D #6961BC #928CCE

Accessibility & contrast

On white

8.11
#4B439D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.59
#4B439D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B439D
8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4B439D#FFFFFF#000000##FFFFFF
##4B439D1.008.112.598.11
#FFFFFF8.111.0021.001.00
#0000002.5921.001.0021.00
##FFFFFF8.111.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0253A0
Deuteranopia (green-blind)
#004D9B
Tritanopia (blue-blind)
#2B5869
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #4b439d;
/* rgb */ color: rgb(75, 67, 157);
/* oklch */ color: oklch(44.2% 0.141 283.0);
Tailwind
colors: {
  custom: {
    50: '#8477bb',
    500: '#4b439d',
    950: '#000000',
  },
}
SCSS
$custom: #4b439d;
$custom-light: #8477bb;
$custom-dark: #000000;
JSON
{
  "hex": "#4b439d",
  "rgb": {
    "r": 75,
    "g": 67,
    "b": 157
  },
  "hsl": {
    "h": 245.333,
    "s": 40.179,
    "l": 43.922
  },
  "oklch": {
    "l": 0.44157,
    "c": 0.14133,
    "h": 283
  },
  "luminance": 0.07944
}

Semantic roles & 50–950 ramp

primary
#4B439D
secondary
#B4B983
accent
#D058C5
background
#F8F7FB
surface
#F0EDF6
border
#CBC8D0
text
#0B0812
muted
#7C7B81

Preview Lab

Preview with #4B439D

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

Preview Lab → · Contrast checker → · Palette generator →

#4B439D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva