#4737C9#4737C9

#4737C9 is a mid, highly saturated blue. Relative luminance 0.083; OKLCH L 45.7% C 0.214 H 278.7°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX#4737C9
RGBrgb(71, 55, 201)
HSLhsl(247, 57%, 50%)
HSVhsv(247, 73%, 79%)
CMYKcmyk(64.7%, 72.6%, 0%, 21.2%)
CIE-LABlab(34.58, 49.19, -73.12)
CIE-LCHlch(34.58, 88.13, 303.93°)
OKLaboklab(45.73% 0.0323 -0.2111)
OKLCHoklch(45.73% 0.214 278.7)
XYZxyz(14.5040, 8.2878, 56.0824)
Luminance0.0829 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4737C9 #B9C937
analogous
#3770C9 #4737C9 #9037C9
triadic
#4737C9 #C94737 #37C947
tetradic
#4737C9 #C93770 #B9C937 #37C990
square
#4737C9 #C93770 #B9C937 #37C990
split-complementary
#4737C9 #C99037 #70C937
monochromatic
#251C69 #362999 #4737C9 #7367D6 #A097E3

Accessibility & contrast

On white

7.90
#4737C9 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.66
#4737C9 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4737C9
7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4737C9#FFFFFF#000000##FFFFFF
##4737C91.007.902.667.90
#FFFFFF7.901.0021.001.00
#0000002.6621.001.0021.00
##FFFFFF7.901.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0057CD
Deuteranopia (green-blind)
#004BC6
Tritanopia (blue-blind)
#00607D
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #4737c9;
/* rgb */ color: rgb(71, 55, 201);
/* oklch */ color: oklch(45.7% 0.214 278.7);
Tailwind
colors: {
  custom: {
    50: '#8a70db',
    500: '#4737c9',
    950: '#000000',
  },
}
SCSS
$custom: #4737c9;
$custom-light: #8a70db;
$custom-dark: #000000;
JSON
{
  "hex": "#4737c9",
  "rgb": {
    "r": 71,
    "g": 55,
    "b": 201
  },
  "hsl": {
    "h": 246.575,
    "s": 57.48,
    "l": 50.196
  },
  "oklch": {
    "l": 0.45729,
    "c": 0.21354,
    "h": 278.7
  },
  "luminance": 0.08289
}

Semantic roles & 50–950 ramp

primary
#4737C9
secondary
#C7CF8D
accent
#E147D0
background
#F9F6FD
surface
#F2ECFB
border
#CCC7D4
text
#0D0815
muted
#7E7B83

Preview Lab

Preview with #4737C9

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

Preview Lab → · Contrast checker → · Palette generator →

#4737C9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva