#4B3CA8#4B3CA8

#4B3CA8 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.8% C 0.166 H 283.5°. Best body text is #FFFFFF at 8.36:1 contrast (WCAG AA passes).

Color values

HEX#4B3CA8
RGBrgb(75, 60, 168)
HSLhsl(248, 47%, 45%)
HSVhsv(248, 64%, 66%)
CMYKcmyk(55.4%, 64.3%, 0%, 34.1%)
CIE-LABlab(33.04, 36.53, -56.13)
CIE-LCHlch(33.04, 66.97, 303.06°)
OKLaboklab(43.81% 0.0387 -0.1612)
OKLCHoklch(43.81% 0.166 283.5)
XYZxyz(11.5832, 7.5540, 37.8859)
Luminance0.0756 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4B3CA8 #99A83C
analogous
#3C63A8 #4B3CA8 #813CA8
triadic
#4B3CA8 #A84B3C #3CA84B
tetradic
#4B3CA8 #A83C63 #99A83C #3CA881
square
#4B3CA8 #A83C63 #99A83C #3CA881
split-complementary
#4B3CA8 #A8813C #63A83C
monochromatic
#231C4E #372C7B #4B3CA8 #6B5CC5 #9489D5

Accessibility & contrast

On white

8.36
#4B3CA8 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.51
#4B3CA8 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B3CA8
8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4B3CA8#FFFFFF#000000##FFFFFF
##4B3CA81.008.362.518.36
#FFFFFF8.361.0021.001.00
#0000002.5121.001.0021.00
##FFFFFF8.361.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0051AB
Deuteranopia (green-blind)
#004AA6
Tritanopia (blue-blind)
#21576C
Achromatopsia (no color)
#4E4E4E

Design tokens & code

CSS
--color: #4b3ca8;
/* rgb */ color: rgb(75, 60, 168);
/* oklch */ color: oklch(43.8% 0.166 283.5);
Tailwind
colors: {
  custom: {
    50: '#8673c3',
    500: '#4b3ca8',
    950: '#000000',
  },
}
SCSS
$custom: #4b3ca8;
$custom-light: #8673c3;
$custom-dark: #000000;
JSON
{
  "hex": "#4b3ca8",
  "rgb": {
    "r": 75,
    "g": 60,
    "b": 168
  },
  "hsl": {
    "h": 248.333,
    "s": 47.368,
    "l": 44.706
  },
  "oklch": {
    "l": 0.43812,
    "c": 0.16576,
    "h": 283.5
  },
  "luminance": 0.07555
}

Semantic roles & 50–950 ramp

primary
#4B3CA8
secondary
#B7BF80
accent
#D751C4
background
#F8F7FC
surface
#F0EDF8
border
#CBC8D1
text
#0C0813
muted
#7D7B82

Preview Lab

Preview with #4B3CA8

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

Preview Lab → · Contrast checker → · Palette generator →

#4B3CA8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva