#4C90D8#4C90D8

#4C90D8 is a light, vivid cyan. Relative luminance 0.264; OKLCH L 64.1% C 0.129 H 251.7°. Best body text is #000000 at 6.29:1 contrast (WCAG AA passes).

Color values

HEX#4C90D8
RGBrgb(76, 144, 216)
HSLhsl(211, 64%, 57%)
HSVhsv(211, 65%, 85%)
CMYKcmyk(64.8%, 33.3%, 0%, 15.3%)
CIE-LABlab(58.45, 0.91, -43.19)
CIE-LCHlch(58.45, 43.20, 271.21°)
OKLaboklab(64.13% -0.0406 -0.1223)
OKLCHoklch(64.13% 0.129 251.7)
XYZxyz(25.3439, 26.4384, 68.7199)
Luminance0.2644 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4C90D8 #D8944C
analogous
#4CD6D8 #4C90D8 #4E4CD8
triadic
#4C90D8 #D84C90 #90D84C
tetradic
#4C90D8 #D84CD6 #D8944C #4CD84E
square
#4C90D8 #D84CD6 #D8944C #4CD84E
split-complementary
#4C90D8 #D84E4C #D6D84C
monochromatic
#1E538B #2971BE #4C90D8 #7EAFE3 #B1CEEE

Accessibility & contrast

On white

3.34
#4C90D8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.29
#4C90D8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C90D8
6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4C90D8#FFFFFF#000000##000000
##4C90D81.003.346.296.29
#FFFFFF3.341.0021.0021.00
#0000006.2921.001.001.00
##0000006.2921.001.001.00

Color blindness preview

Protanopia (red-blind)
#7194DB
Deuteranopia (green-blind)
#5D87D7
Tritanopia (blue-blind)
#00A1AA
Achromatopsia (no color)
#8D8D8D

Design tokens & code

CSS
--color: #4c90d8;
/* rgb */ color: rgb(76, 144, 216);
/* oklch */ color: oklch(64.1% 0.129 251.7);
Tailwind
colors: {
  custom: {
    50: '#8bb0e4',
    500: '#4c90d8',
    950: '#000000',
  },
}
SCSS
$custom: #4c90d8;
$custom-light: #8bb0e4;
$custom-dark: #000000;
JSON
{
  "hex": "#4c90d8",
  "rgb": {
    "r": 76,
    "g": 144,
    "b": 216
  },
  "hsl": {
    "h": 210.857,
    "s": 64.22,
    "l": 57.255
  },
  "oklch": {
    "l": 0.64127,
    "c": 0.12888,
    "h": 251.7
  },
  "luminance": 0.26441
}

Semantic roles & 50–950 ramp

primary
#4C90D8
secondary
#DCC1A4
accent
#9641E7
background
#F9FAFE
surface
#F1F4FC
border
#CBCED5
text
#0D1015
muted
#7E7F84

Preview Lab

Preview with #4C90D8

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

Preview Lab → · Contrast checker → · Palette generator →

#4C90D8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva