#4739D2#4739D2

#4739D2 is a mid, highly saturated blue. Relative luminance 0.089; OKLCH L 46.9% C 0.222 H 277.6°. Best body text is #FFFFFF at 7.54:1 contrast (WCAG AA passes).

Color values

HEX#4739D2
RGBrgb(71, 57, 210)
HSLhsl(245, 63%, 52%)
HSVhsv(245, 73%, 82%)
CMYKcmyk(66.2%, 72.9%, 0%, 17.6%)
CIE-LABlab(35.83, 50.90, -76.29)
CIE-LCHlch(35.83, 91.71, 303.71°)
OKLaboklab(46.88% 0.0293 -0.2203)
OKLCHoklch(46.88% 0.222 277.6)
XYZxyz(15.6907, 8.9176, 61.8547)
Luminance0.0892 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4739D2 #C4D239
analogous
#3978D2 #4739D2 #9339D2
triadic
#4739D2 #D24739 #39D247
tetradic
#4739D2 #D23978 #C4D239 #39D293
square
#4739D2 #D23978 #C4D239 #39D293
split-complementary
#4739D2 #D29339 #78D239
monochromatic
#231B76 #3226A8 #4739D2 #756BDD #A49DE9

Accessibility & contrast

On white

7.54
#4739D2 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.78
#4739D2 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4739D2
7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4739D2#FFFFFF#000000##FFFFFF
##4739D21.007.542.787.54
#FFFFFF7.541.0021.001.00
#0000002.7821.001.0021.00
##FFFFFF7.541.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005AD6
Deuteranopia (green-blind)
#004ECF
Tritanopia (blue-blind)
#006482
Achromatopsia (no color)
#545454

Design tokens & code

CSS
--color: #4739d2;
/* rgb */ color: rgb(71, 57, 210);
/* oklch */ color: oklch(46.9% 0.222 277.6);
Tailwind
colors: {
  custom: {
    50: '#8c72e1',
    500: '#4739d2',
    950: '#000000',
  },
}
SCSS
$custom: #4739d2;
$custom-light: #8c72e1;
$custom-dark: #000000;
JSON
{
  "hex": "#4739d2",
  "rgb": {
    "r": 71,
    "g": 57,
    "b": 210
  },
  "hsl": {
    "h": 245.49,
    "s": 62.963,
    "l": 52.353
  },
  "oklch": {
    "l": 0.46877,
    "c": 0.22228,
    "h": 277.6
  },
  "luminance": 0.08919
}

Semantic roles & 50–950 ramp

primary
#4739D2
secondary
#CFD592
accent
#E642D7
background
#F9F7FE
surface
#F2EDFC
border
#CCC8D5
text
#0E0815
muted
#7E7B84

Preview Lab

Preview with #4739D2

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

Preview Lab → · Contrast checker → · Palette generator →

#4739D2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva