#4539CF#4539CF

#4539CF is a mid, highly saturated blue. Relative luminance 0.087; OKLCH L 46.4% C 0.219 H 277.1°. Best body text is #FFFFFF at 7.67:1 contrast (WCAG AA passes).

Color values

HEX#4539CF
RGBrgb(69, 57, 207)
HSLhsl(245, 61%, 52%)
HSVhsv(245, 72%, 81%)
CMYKcmyk(66.7%, 72.5%, 0%, 18.8%)
CIE-LABlab(35.39, 49.74, -75.27)
CIE-LCHlch(35.39, 90.22, 303.46°)
OKLaboklab(46.44% 0.0273 -0.2174)
OKLCHoklch(46.44% 0.219 277.1)
XYZxyz(15.1762, 8.6951, 59.8979)
Luminance0.0870 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4539CF #C3CF39
analogous
#3978CF #4539CF #9039CF
triadic
#4539CF #CF4539 #39CF45
tetradic
#4539CF #CF3978 #C3CF39 #39CF90
square
#4539CF #CF3978 #C3CF39 #39CF90
split-complementary
#4539CF #CF9039 #78CF39
monochromatic
#231C72 #3128A3 #4539CF #736ADB #A29CE7

Accessibility & contrast

On white

7.67
#4539CF on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.74
#4539CF on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4539CF
7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4539CF#FFFFFF#000000##FFFFFF
##4539CF1.007.672.747.67
#FFFFFF7.671.0021.001.00
#0000002.7421.001.0021.00
##FFFFFF7.671.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0059D3
Deuteranopia (green-blind)
#004DCC
Tritanopia (blue-blind)
#006381
Achromatopsia (no color)
#535353

Design tokens & code

CSS
--color: #4539cf;
/* rgb */ color: rgb(69, 57, 207);
/* oklch */ color: oklch(46.4% 0.219 277.1);
Tailwind
colors: {
  custom: {
    50: '#8b72df',
    500: '#4539cf',
    950: '#000000',
  },
}
SCSS
$custom: #4539cf;
$custom-light: #8b72df;
$custom-dark: #000000;
JSON
{
  "hex": "#4539cf",
  "rgb": {
    "r": 69,
    "g": 57,
    "b": 207
  },
  "hsl": {
    "h": 244.8,
    "s": 60.976,
    "l": 51.765
  },
  "oklch": {
    "l": 0.46444,
    "c": 0.21914,
    "h": 277.1
  },
  "luminance": 0.08696
}

Semantic roles & 50–950 ramp

primary
#4539CF
secondary
#CED391
accent
#E444D7
background
#F9F7FD
surface
#F2EDFB
border
#CCC8D4
text
#0D0815
muted
#7E7B83

Preview Lab

Preview with #4539CF

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

Preview Lab → · Contrast checker → · Palette generator →

#4539CF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva