#4A90D2#4A90D2

#4A90D2 is a light, vivid cyan. Relative luminance 0.261; OKLCH L 63.7% C 0.122 H 249.1°. Best body text is #000000 at 6.21:1 contrast (WCAG AA passes).

Color values

HEX#4A90D2
RGBrgb(74, 144, 210)
HSLhsl(209, 60%, 56%)
HSVhsv(209, 65%, 82%)
CMYKcmyk(64.8%, 31.4%, 0%, 17.6%)
CIE-LABlab(58.09, -1.45, -40.41)
CIE-LCHlch(58.09, 40.43, 267.94°)
OKLaboklab(63.73% -0.0437 -0.1142)
OKLCHoklch(63.73% 0.122 249.1)
XYZxyz(24.4258, 26.0531, 64.7018)
Luminance0.2606 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4A90D2 #D28C4A
analogous
#4AD2D0 #4A90D2 #4A4CD2
triadic
#4A90D2 #D24A90 #90D24A
tetradic
#4A90D2 #D04AD2 #D28C4A #4CD24A
square
#4A90D2 #D04AD2 #D28C4A #4CD24A
split-complementary
#4A90D2 #D24A4C #D2D04A
monochromatic
#205281 #2C71B2 #4A90D2 #7BAEDE #ACCCEA

Accessibility & contrast

On white

3.38
#4A90D2 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.21
#4A90D2 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4A90D2
6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4A90D2#FFFFFF#000000##000000
##4A90D21.003.386.216.21
#FFFFFF3.381.0021.0021.00
#0000006.2121.001.001.00
##0000006.2121.001.001.00

Color blindness preview

Protanopia (red-blind)
#7393D5
Deuteranopia (green-blind)
#6186D1
Tritanopia (blue-blind)
#00A0A8
Achromatopsia (no color)
#8C8C8C

Design tokens & code

CSS
--color: #4a90d2;
/* rgb */ color: rgb(74, 144, 210);
/* oklch */ color: oklch(63.7% 0.122 249.1);
Tailwind
colors: {
  custom: {
    50: '#89b0e0',
    500: '#4a90d2',
    950: '#000000',
  },
}
SCSS
$custom: #4a90d2;
$custom-light: #89b0e0;
$custom-dark: #000000;
JSON
{
  "hex": "#4a90d2",
  "rgb": {
    "r": 74,
    "g": 144,
    "b": 210
  },
  "hsl": {
    "h": 209.118,
    "s": 60.177,
    "l": 55.686
  },
  "oklch": {
    "l": 0.63726,
    "c": 0.1223,
    "h": 249.1
  },
  "luminance": 0.26056
}

Semantic roles & 50–950 ramp

primary
#4A90D2
secondary
#D8BBA0
accent
#9244E3
background
#F9FAFD
surface
#F1F4FB
border
#CBCED4
text
#0D1015
muted
#7E7F83

Preview Lab

Preview with #4A90D2

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

Preview Lab → · Contrast checker → · Palette generator →

#4A90D2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva