#4737CB#4737CB

#4737CB is a mid, highly saturated blue. Relative luminance 0.084; OKLCH L 45.9% C 0.216 H 278.5°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX#4737CB
RGBrgb(71, 55, 203)
HSLhsl(246, 59%, 51%)
HSVhsv(246, 73%, 80%)
CMYKcmyk(65%, 72.9%, 0%, 20.4%)
CIE-LABlab(34.77, 49.81, -73.97)
CIE-LCHlch(34.77, 89.18, 303.96°)
OKLaboklab(45.92% 0.0319 -0.2136)
OKLCHoklch(45.92% 0.216 278.5)
XYZxyz(14.7407, 8.3826, 57.3295)
Luminance0.0838 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4737CB #BBCB37
analogous
#3771CB #4737CB #9137CB
triadic
#4737CB #CB4737 #37CB47
tetradic
#4737CB #CB3771 #BBCB37 #37CB91
square
#4737CB #CB3771 #BBCB37 #37CB91
split-complementary
#4737CB #CB9137 #71CB37
monochromatic
#251C6C #35299C #4737CB #7468D8 #A098E4

Accessibility & contrast

On white

7.85
#4737CB on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.68
#4737CB on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4737CB
7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4737CB#FFFFFF#000000##FFFFFF
##4737CB1.007.852.687.85
#FFFFFF7.851.0021.001.00
#0000002.6821.001.0021.00
##FFFFFF7.851.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0058CF
Deuteranopia (green-blind)
#004CC8
Tritanopia (blue-blind)
#00617E
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #4737cb;
/* rgb */ color: rgb(71, 55, 203);
/* oklch */ color: oklch(45.9% 0.216 278.5);
Tailwind
colors: {
  custom: {
    50: '#8b70dc',
    500: '#4737cb',
    950: '#000000',
  },
}
SCSS
$custom: #4737cb;
$custom-light: #8b70dc;
$custom-dark: #000000;
JSON
{
  "hex": "#4737cb",
  "rgb": {
    "r": 71,
    "g": 55,
    "b": 203
  },
  "hsl": {
    "h": 246.486,
    "s": 58.73,
    "l": 50.588
  },
  "oklch": {
    "l": 0.45923,
    "c": 0.21594,
    "h": 278.5
  },
  "luminance": 0.08384
}

Semantic roles & 50–950 ramp

primary
#4737CB
secondary
#C9D08E
accent
#E246D1
background
#F9F6FD
surface
#F2ECFB
border
#CCC7D4
text
#0D0815
muted
#7E7B83

Preview Lab

Preview with #4737CB

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

Preview Lab → · Contrast checker → · Palette generator →

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