#4737CA#4737CA

#4737CA is a mid, highly saturated blue. Relative luminance 0.083; OKLCH L 45.8% C 0.215 H 278.6°. Best body text is #FFFFFF at 7.87:1 contrast (WCAG AA passes).

Color values

HEX#4737CA
RGBrgb(71, 55, 202)
HSLhsl(247, 58%, 50%)
HSVhsv(247, 73%, 79%)
CMYKcmyk(64.9%, 72.8%, 0%, 20.8%)
CIE-LABlab(34.67, 49.50, -73.55)
CIE-LCHlch(34.67, 88.65, 303.94°)
OKLaboklab(45.83% 0.0321 -0.2123)
OKLCHoklch(45.83% 0.215 278.6)
XYZxyz(14.6220, 8.3350, 56.7039)
Luminance0.0834 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4737CA #BACA37
analogous
#3770CA #4737CA #9137CA
triadic
#4737CA #CA4737 #37CA47
tetradic
#4737CA #CA3770 #BACA37 #37CA91
square
#4737CA #CA3770 #BACA37 #37CA91
split-complementary
#4737CA #CA9137 #70CA37
monochromatic
#251C6A #35299B #4737CA #7467D7 #A098E4

Accessibility & contrast

On white

7.87
#4737CA on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.67
#4737CA on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4737CA
7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4737CA#FFFFFF#000000##FFFFFF
##4737CA1.007.872.677.87
#FFFFFF7.871.0021.001.00
#0000002.6721.001.0021.00
##FFFFFF7.871.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0057CE
Deuteranopia (green-blind)
#004CC7
Tritanopia (blue-blind)
#00607D
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #4737ca;
/* rgb */ color: rgb(71, 55, 202);
/* oklch */ color: oklch(45.8% 0.215 278.6);
Tailwind
colors: {
  custom: {
    50: '#8b70db',
    500: '#4737ca',
    950: '#000000',
  },
}
SCSS
$custom: #4737ca;
$custom-light: #8b70db;
$custom-dark: #000000;
JSON
{
  "hex": "#4737ca",
  "rgb": {
    "r": 71,
    "g": 55,
    "b": 202
  },
  "hsl": {
    "h": 246.531,
    "s": 58.103,
    "l": 50.392
  },
  "oklch": {
    "l": 0.45826,
    "c": 0.21474,
    "h": 278.6
  },
  "luminance": 0.08336
}

Semantic roles & 50–950 ramp

primary
#4737CA
secondary
#C8CF8E
accent
#E146D0
background
#F9F6FD
surface
#F2ECFB
border
#CCC7D4
text
#0D0815
muted
#7E7B83

Preview Lab

Preview with #4737CA

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

Preview Lab → · Contrast checker → · Palette generator →

#4737CA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva