#4739CF#4739CF

#4739CF is a mid, highly saturated blue. Relative luminance 0.088; OKLCH L 46.6% C 0.219 H 277.8°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).

Color values

HEX#4739CF
RGBrgb(71, 57, 207)
HSLhsl(246, 61%, 52%)
HSVhsv(246, 72%, 81%)
CMYKcmyk(65.7%, 72.5%, 0%, 18.8%)
CIE-LABlab(35.54, 49.97, -75.03)
CIE-LCHlch(35.54, 90.14, 303.67°)
OKLaboklab(46.59% 0.0298 -0.2167)
OKLCHoklch(46.59% 0.219 277.8)
XYZxyz(15.3205, 8.7695, 59.9047)
Luminance0.0877 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4739CF #C1CF39
analogous
#3976CF #4739CF #9239CF
triadic
#4739CF #CF4739 #39CF47
tetradic
#4739CF #CF3976 #C1CF39 #39CF92
square
#4739CF #CF3976 #C1CF39 #39CF92
split-complementary
#4739CF #CF9239 #76CF39
monochromatic
#241C72 #3328A3 #4739CF #756ADB #A39CE7

Accessibility & contrast

On white

7.62
#4739CF on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.75
#4739CF on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4739CF
7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4739CF#FFFFFF#000000##FFFFFF
##4739CF1.007.622.757.62
#FFFFFF7.621.0021.001.00
#0000002.7521.001.0021.00
##FFFFFF7.621.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005AD3
Deuteranopia (green-blind)
#004DCC
Tritanopia (blue-blind)
#006381
Achromatopsia (no color)
#545454

Design tokens & code

CSS
--color: #4739cf;
/* rgb */ color: rgb(71, 57, 207);
/* oklch */ color: oklch(46.6% 0.219 277.8);
Tailwind
colors: {
  custom: {
    50: '#8b72df',
    500: '#4739cf',
    950: '#000000',
  },
}
SCSS
$custom: #4739cf;
$custom-light: #8b72df;
$custom-dark: #000000;
JSON
{
  "hex": "#4739cf",
  "rgb": {
    "r": 71,
    "g": 57,
    "b": 207
  },
  "hsl": {
    "h": 245.6,
    "s": 60.976,
    "l": 51.765
  },
  "oklch": {
    "l": 0.46585,
    "c": 0.21872,
    "h": 277.8
  },
  "luminance": 0.08771
}

Semantic roles & 50–950 ramp

primary
#4739CF
secondary
#CDD391
accent
#E444D5
background
#F9F7FD
surface
#F2EDFB
border
#CCC8D4
text
#0E0815
muted
#7E7B83

Preview Lab

Preview with #4739CF

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

Preview Lab → · Contrast checker → · Palette generator →

#4739CF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva