#4C91E3#4C91E3

#4C91E3 is a light, vivid cyan. Relative luminance 0.273; OKLCH L 65.0% C 0.142 H 254.2°. Best body text is #000000 at 6.47:1 contrast (WCAG AA passes).

Color values

HEX#4C91E3
RGBrgb(76, 145, 227)
HSLhsl(213, 73%, 59%)
HSVhsv(213, 67%, 89%)
CMYKcmyk(66.5%, 36.1%, 0%, 11%)
CIE-LABlab(59.28, 4.07, -48.02)
CIE-LCHlch(59.28, 48.19, 274.84°)
OKLaboklab(64.95% -0.0387 -0.1364)
OKLCHoklch(64.95% 0.142 254.2)
XYZxyz(26.9659, 27.3306, 76.5124)
Luminance0.2733 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4C91E3 #E39E4C
analogous
#4CDCE3 #4C91E3 #534CE3
triadic
#4C91E3 #E34C91 #91E34C
tetradic
#4C91E3 #E34CDC #E39E4C #4CE353
square
#4C91E3 #E34CDC #E39E4C #4CE353
split-complementary
#4C91E3 #E3534C #DCE34C
monochromatic
#18559C #2171D1 #4C91E3 #81B2EB #B6D2F4

Accessibility & contrast

On white

3.25
#4C91E3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.47
#4C91E3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C91E3
6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4C91E3#FFFFFF#000000##000000
##4C91E31.003.256.476.47
#FFFFFF3.251.0021.0021.00
#0000006.4721.001.001.00
##0000006.4721.001.001.00

Color blindness preview

Protanopia (red-blind)
#6D96E6
Deuteranopia (green-blind)
#5788E1
Tritanopia (blue-blind)
#00A4AF
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #4c91e3;
/* rgb */ color: rgb(76, 145, 227);
/* oklch */ color: oklch(65.0% 0.142 254.2);
Tailwind
colors: {
  custom: {
    50: '#8db0ec',
    500: '#4c91e3',
    950: '#000000',
  },
}
SCSS
$custom: #4c91e3;
$custom-light: #8db0ec;
$custom-dark: #000000;
JSON
{
  "hex": "#4c91e3",
  "rgb": {
    "r": 76,
    "g": 145,
    "b": 227
  },
  "hsl": {
    "h": 212.583,
    "s": 72.947,
    "l": 59.412
  },
  "oklch": {
    "l": 0.64953,
    "c": 0.1418,
    "h": 254.2
  },
  "luminance": 0.27333
}

Semantic roles & 50–950 ramp

primary
#4C91E3
secondary
#E3C8A8
accent
#9C38F0
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0D1016
muted
#7E7F84

Preview Lab

Preview with #4C91E3

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

Preview Lab → · Contrast checker → · Palette generator →

#4C91E3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva