#4E91E3#4E91E3

#4E91E3 is a light, vivid cyan. Relative luminance 0.274; OKLCH L 65.0% C 0.141 H 254.7°. Best body text is #000000 at 6.48:1 contrast (WCAG AA passes).

Color values

HEX#4E91E3
RGBrgb(78, 145, 227)
HSLhsl(213, 73%, 60%)
HSVhsv(213, 66%, 89%)
CMYKcmyk(65.6%, 36.1%, 0%, 11%)
CIE-LABlab(59.36, 4.39, -47.89)
CIE-LCHlch(59.36, 48.09, 275.24°)
OKLaboklab(65.03% -0.0373 -0.136)
OKLCHoklch(65.03% 0.141 254.7)
XYZxyz(27.1274, 27.4138, 76.5199)
Luminance0.2742 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4E91E3 #E3A04E
analogous
#4EDCE3 #4E91E3 #554EE3
triadic
#4E91E3 #E34E91 #91E34E
tetradic
#4E91E3 #E34EDC #E3A04E #4EE355
square
#4E91E3 #E34EDC #E3A04E #4EE355
split-complementary
#4E91E3 #E3554E #DCE34E
monochromatic
#19559E #2171D3 #4E91E3 #83B2EB #B8D3F4

Accessibility & contrast

On white

3.24
#4E91E3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.48
#4E91E3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E91E3
6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4E91E3#FFFFFF#000000##000000
##4E91E31.003.246.486.48
#FFFFFF3.241.0021.0021.00
#0000006.4821.001.001.00
##0000006.4821.001.001.00

Color blindness preview

Protanopia (red-blind)
#6D97E6
Deuteranopia (green-blind)
#5889E1
Tritanopia (blue-blind)
#00A4AF
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #4e91e3;
/* rgb */ color: rgb(78, 145, 227);
/* oklch */ color: oklch(65.0% 0.141 254.7);
Tailwind
colors: {
  custom: {
    50: '#8eb0ec',
    500: '#4e91e3',
    950: '#000000',
  },
}
SCSS
$custom: #4e91e3;
$custom-light: #8eb0ec;
$custom-dark: #000000;
JSON
{
  "hex": "#4e91e3",
  "rgb": {
    "r": 78,
    "g": 145,
    "b": 227
  },
  "hsl": {
    "h": 213.02,
    "s": 72.683,
    "l": 59.804
  },
  "oklch": {
    "l": 0.65034,
    "c": 0.14102,
    "h": 254.7
  },
  "luminance": 0.27417
}

Semantic roles & 50–950 ramp

primary
#4E91E3
secondary
#E3C9AA
accent
#9D38EF
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0D1016
muted
#7E7F84

Preview Lab

Preview with #4E91E3

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

Preview Lab → · Contrast checker → · Palette generator →

#4E91E3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva