#4739C8#4739C8

#4739C8 is a mid, highly saturated blue. Relative luminance 0.084; OKLCH L 45.9% C 0.210 H 278.5°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).

Color values

HEX#4739C8
RGBrgb(71, 57, 200)
HSLhsl(246, 57%, 50%)
HSVhsv(246, 72%, 78%)
CMYKcmyk(64.5%, 71.5%, 0%, 21.6%)
CIE-LABlab(34.87, 47.79, -72.05)
CIE-LCHlch(34.87, 86.46, 303.55°)
OKLaboklab(45.91% 0.0312 -0.208)
OKLCHoklch(45.91% 0.21 278.5)
XYZxyz(14.4836, 8.4348, 55.4972)
Luminance0.0844 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4739C8 #BAC839
analogous
#3972C8 #4739C8 #8E39C8
triadic
#4739C8 #C84739 #39C847
tetradic
#4739C8 #C83972 #BAC839 #39C88E
square
#4739C8 #C83972 #BAC839 #39C88E
split-complementary
#4739C8 #C88E39 #72C839
monochromatic
#251D69 #352B99 #4739C8 #7469D5 #A099E3

Accessibility & contrast

On white

7.81
#4739C8 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.69
#4739C8 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4739C8
7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4739C8#FFFFFF#000000##FFFFFF
##4739C81.007.812.697.81
#FFFFFF7.811.0021.001.00
#0000002.6921.001.0021.00
##FFFFFF7.811.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0058CC
Deuteranopia (green-blind)
#004CC5
Tritanopia (blue-blind)
#00617D
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #4739c8;
/* rgb */ color: rgb(71, 57, 200);
/* oklch */ color: oklch(45.9% 0.210 278.5);
Tailwind
colors: {
  custom: {
    50: '#8a71da',
    500: '#4739c8',
    950: '#000000',
  },
}
SCSS
$custom: #4739c8;
$custom-light: #8a71da;
$custom-dark: #000000;
JSON
{
  "hex": "#4739c8",
  "rgb": {
    "r": 71,
    "g": 57,
    "b": 200
  },
  "hsl": {
    "h": 245.874,
    "s": 56.522,
    "l": 50.392
  },
  "oklch": {
    "l": 0.45912,
    "c": 0.21029,
    "h": 278.5
  },
  "luminance": 0.08436
}

Semantic roles & 50–950 ramp

primary
#4739C8
secondary
#C8CE8F
accent
#E048D1
background
#F9F7FD
surface
#F1EDFB
border
#CBC8D4
text
#0D0815
muted
#7E7B83

Preview Lab

Preview with #4739C8

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

Preview Lab → · Contrast checker → · Palette generator →

#4739C8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva