#4C90E7#4C90E7

#4C90E7 is a light, vivid cyan. Relative luminance 0.273; OKLCH L 65.0% C 0.148 H 255.6°. Best body text is #000000 at 6.45:1 contrast (WCAG AA passes).

Color values

HEX#4C90E7
RGBrgb(76, 144, 231)
HSLhsl(214, 76%, 60%)
HSVhsv(214, 67%, 91%)
CMYKcmyk(67.1%, 37.7%, 0%, 9.4%)
CIE-LABlab(59.20, 6.03, -50.36)
CIE-LCHlch(59.20, 50.72, 276.83°)
OKLaboklab(64.96% -0.0368 -0.1433)
OKLCHoklch(64.96% 0.148 255.6)
XYZxyz(27.3723, 27.2497, 79.4030)
Luminance0.2725 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4C90E7 #E7A34C
analogous
#4CDEE7 #4C90E7 #554CE7
triadic
#4C90E7 #E74C90 #90E74C
tetradic
#4C90E7 #E74CDE #E7A34C #4CE755
square
#4C90E7 #E74CDE #E7A34C #4CE755
split-complementary
#4C90E7 #E7554C #DEE74C
monochromatic
#1654A3 #1D6FD9 #4C90E7 #82B1EE #B8D3F5

Accessibility & contrast

On white

3.26
#4C90E7 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.45
#4C90E7 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C90E7
6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4C90E7#FFFFFF#000000##000000
##4C90E71.003.266.456.45
#FFFFFF3.261.0021.0021.00
#0000006.4521.001.001.00
##0000006.4521.001.001.00

Color blindness preview

Protanopia (red-blind)
#6996EB
Deuteranopia (green-blind)
#5288E5
Tritanopia (blue-blind)
#00A4B0
Achromatopsia (no color)
#8E8E8E

Design tokens & code

CSS
--color: #4c90e7;
/* rgb */ color: rgb(76, 144, 231);
/* oklch */ color: oklch(65.0% 0.148 255.6);
Tailwind
colors: {
  custom: {
    50: '#8eb0ef',
    500: '#4c90e7',
    950: '#000000',
  },
}
SCSS
$custom: #4c90e7;
$custom-light: #8eb0ef;
$custom-dark: #000000;
JSON
{
  "hex": "#4c90e7",
  "rgb": {
    "r": 76,
    "g": 144,
    "b": 231
  },
  "hsl": {
    "h": 213.677,
    "s": 76.355,
    "l": 60.196
  },
  "oklch": {
    "l": 0.64962,
    "c": 0.14792,
    "h": 255.6
  },
  "luminance": 0.27253
}

Semantic roles & 50–950 ramp

primary
#4C90E7
secondary
#E5CBAA
accent
#7F0DD9
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0E1016
muted
#7E7F84

Preview Lab

Preview with #4C90E7

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

Preview Lab → · Contrast checker → · Palette generator →

#4C90E7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva