#4C91E4#4C91E4

#4C91E4 is a light, vivid cyan. Relative luminance 0.274; OKLCH L 65.0% C 0.143 H 254.4°. Best body text is #000000 at 6.48:1 contrast (WCAG AA passes).

Color values

HEX#4C91E4
RGBrgb(76, 145, 228)
HSLhsl(213, 74%, 60%)
HSVhsv(213, 67%, 89%)
CMYKcmyk(66.7%, 36.4%, 0%, 10.6%)
CIE-LABlab(59.33, 4.41, -48.49)
CIE-LCHlch(59.33, 48.69, 275.20°)
OKLaboklab(65.01% -0.0385 -0.1378)
OKLCHoklch(65.01% 0.143 254.4)
XYZxyz(27.1044, 27.3860, 77.2413)
Luminance0.2739 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4C91E4 #E49F4C
analogous
#4CDDE4 #4C91E4 #534CE4
triadic
#4C91E4 #E44C91 #91E44C
tetradic
#4C91E4 #E44CDD #E49F4C #4CE453
square
#4C91E4 #E44CDD #E49F4C #4CE453
split-complementary
#4C91E4 #E4534C #DDE44C
monochromatic
#18559E #2071D3 #4C91E4 #81B2EC #B6D2F4

Accessibility & contrast

On white

3.24
#4C91E4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.48
#4C91E4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C91E4
6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4C91E4#FFFFFF#000000##000000
##4C91E41.003.246.486.48
#FFFFFF3.241.0021.0021.00
#0000006.4821.001.001.00
##0000006.4821.001.001.00

Color blindness preview

Protanopia (red-blind)
#6C97E7
Deuteranopia (green-blind)
#5688E2
Tritanopia (blue-blind)
#00A4B0
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #4c91e4;
/* rgb */ color: rgb(76, 145, 228);
/* oklch */ color: oklch(65.0% 0.143 254.4);
Tailwind
colors: {
  custom: {
    50: '#8db0ed',
    500: '#4c91e4',
    950: '#000000',
  },
}
SCSS
$custom: #4c91e4;
$custom-light: #8db0ed;
$custom-dark: #000000;
JSON
{
  "hex": "#4c91e4",
  "rgb": {
    "r": 76,
    "g": 145,
    "b": 228
  },
  "hsl": {
    "h": 212.763,
    "s": 73.786,
    "l": 59.608
  },
  "oklch": {
    "l": 0.6501,
    "c": 0.14307,
    "h": 254.4
  },
  "luminance": 0.27389
}

Semantic roles & 50–950 ramp

primary
#4C91E4
secondary
#E3C9A8
accent
#9C37F0
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0D1016
muted
#7E7F84

Preview Lab

Preview with #4C91E4

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

Preview Lab → · Contrast checker → · Palette generator →

#4C91E4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva