#4D91E3#4D91E3

#4D91E3 is a light, vivid cyan. Relative luminance 0.274; OKLCH L 65.0% C 0.141 H 254.4°. Best body text is #000000 at 6.48:1 contrast (WCAG AA passes).

Color values

HEX#4D91E3
RGBrgb(77, 145, 227)
HSLhsl(213, 73%, 60%)
HSVhsv(213, 66%, 89%)
CMYKcmyk(66.1%, 36.1%, 0%, 11%)
CIE-LABlab(59.32, 4.23, -47.96)
CIE-LCHlch(59.32, 48.14, 275.04°)
OKLaboklab(64.99% -0.038 -0.1362)
OKLCHoklch(64.99% 0.141 254.4)
XYZxyz(27.0460, 27.3719, 76.5161)
Luminance0.2737 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4D91E3 #E39F4D
analogous
#4DDCE3 #4D91E3 #544DE3
triadic
#4D91E3 #E34D91 #91E34D
tetradic
#4D91E3 #E34DDC #E39F4D #4DE354
square
#4D91E3 #E34DDC #E39F4D #4DE354
split-complementary
#4D91E3 #E3544D #DCE34D
monochromatic
#19559D #2171D2 #4D91E3 #82B2EB #B7D2F4

Accessibility & contrast

On white

3.24
#4D91E3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.48
#4D91E3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D91E3
6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4D91E3#FFFFFF#000000##000000
##4D91E31.003.246.486.48
#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)
#5788E1
Tritanopia (blue-blind)
#00A4AF
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #4d91e3;
/* rgb */ color: rgb(77, 145, 227);
/* oklch */ color: oklch(65.0% 0.141 254.4);
Tailwind
colors: {
  custom: {
    50: '#8db0ec',
    500: '#4d91e3',
    950: '#000000',
  },
}
SCSS
$custom: #4d91e3;
$custom-light: #8db0ec;
$custom-dark: #000000;
JSON
{
  "hex": "#4d91e3",
  "rgb": {
    "r": 77,
    "g": 145,
    "b": 227
  },
  "hsl": {
    "h": 212.8,
    "s": 72.816,
    "l": 59.608
  },
  "oklch": {
    "l": 0.64993,
    "c": 0.14141,
    "h": 254.4
  },
  "luminance": 0.27375
}

Semantic roles & 50–950 ramp

primary
#4D91E3
secondary
#E3C9A9
accent
#9C38F0
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0D1016
muted
#7E7F84

Preview Lab

Preview with #4D91E3

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

Preview Lab → · Contrast checker → · Palette generator →

#4D91E3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva