#4B5BE1#4B5BE1

#4B5BE1 is a mid, highly saturated blue. Relative luminance 0.144; OKLCH L 53.9% C 0.202 H 272.4°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX#4B5BE1
RGBrgb(75, 91, 225)
HSLhsl(234, 71%, 59%)
HSVhsv(234, 67%, 88%)
CMYKcmyk(66.7%, 59.6%, 0%, 11.8%)
CIE-LABlab(44.82, 36.38, -70.13)
CIE-LCHlch(44.82, 79.01, 297.41°)
OKLaboklab(53.87% 0.0086 -0.2021)
OKLCHoklch(53.87% 0.202 272.4)
XYZxyz(20.2288, 14.4124, 72.9354)
Luminance0.1441 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4B5BE1 #E1D14B
analogous
#4BA6E1 #4B5BE1 #864BE1
triadic
#4B5BE1 #E14B5B #5BE14B
tetradic
#4B5BE1 #E14BA6 #E1D14B #4BE186
square
#4B5BE1 #E14BA6 #E1D14B #4BE186
split-complementary
#4B5BE1 #E1864B #A6E14B
monochromatic
#192798 #2234CD #4B5BE1 #7F8BEA #B4BBF2

Accessibility & contrast

On white

5.41
#4B5BE1 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.88
#4B5BE1 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B5BE1
5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4B5BE1#FFFFFF#000000##FFFFFF
##4B5BE11.005.413.885.41
#FFFFFF5.411.0021.001.00
#0000003.8821.001.0021.00
##FFFFFF5.411.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0071E5
Deuteranopia (green-blind)
#0063DE
Tritanopia (blue-blind)
#007C95
Achromatopsia (no color)
#6A6A6A

Design tokens & code

CSS
--color: #4b5be1;
/* rgb */ color: rgb(75, 91, 225);
/* oklch */ color: oklch(53.9% 0.202 272.4);
Tailwind
colors: {
  custom: {
    50: '#8e89eb',
    500: '#4b5be1',
    950: '#000000',
  },
}
SCSS
$custom: #4b5be1;
$custom-light: #8e89eb;
$custom-dark: #000000;
JSON
{
  "hex": "#4b5be1",
  "rgb": {
    "r": 75,
    "g": 91,
    "b": 225
  },
  "hsl": {
    "h": 233.6,
    "s": 71.429,
    "l": 58.824
  },
  "oklch": {
    "l": 0.53867,
    "c": 0.20232,
    "h": 272.4
  },
  "luminance": 0.14414
}

Semantic roles & 50–950 ramp

primary
#4B5BE1
secondary
#E1DBA6
accent
#DB3AEE
background
#F9F8FE
surface
#F2F0FD
border
#CCCBD5
text
#0E0B16
muted
#7E7C84

Preview Lab

Preview with #4B5BE1

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

Preview Lab → · Contrast checker → · Palette generator →

#4B5BE1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva