#4A90DC#4A90DC

#4A90DC is a light, vivid cyan. Relative luminance 0.266; OKLCH L 64.3% C 0.135 H 252.3°. Best body text is #000000 at 6.31:1 contrast (WCAG AA passes).

Color values

HEX#4A90DC
RGBrgb(74, 144, 220)
HSLhsl(211, 68%, 58%)
HSVhsv(211, 66%, 86%)
CMYKcmyk(66.4%, 34.5%, 0%, 13.7%)
CIE-LABlab(58.57, 1.94, -45.24)
CIE-LCHlch(58.57, 45.28, 272.45°)
OKLaboklab(64.26% -0.0409 -0.1283)
OKLCHoklch(64.26% 0.135 252.3)
XYZxyz(25.7108, 26.5670, 71.4692)
Luminance0.2657 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4A90DC #DC964A
analogous
#4AD9DC #4A90DC #4D4ADC
triadic
#4A90DC #DC4A90 #90DC4A
tetradic
#4A90DC #DC4AD9 #DC964A #4ADC4D
square
#4A90DC #DC4AD9 #DC964A #4ADC4D
split-complementary
#4A90DC #DC4D4A #D9DC4A
monochromatic
#1C5390 #2671C3 #4A90DC #7DAFE6 #B1CFF0

Accessibility & contrast

On white

3.33
#4A90DC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.31
#4A90DC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4A90DC
6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4A90DC#FFFFFF#000000##000000
##4A90DC1.003.336.316.31
#FFFFFF3.331.0021.0021.00
#0000006.3121.001.001.00
##0000006.3121.001.001.00

Color blindness preview

Protanopia (red-blind)
#6E94DF
Deuteranopia (green-blind)
#5A87DA
Tritanopia (blue-blind)
#00A2AC
Achromatopsia (no color)
#8D8D8D

Design tokens & code

CSS
--color: #4a90dc;
/* rgb */ color: rgb(74, 144, 220);
/* oklch */ color: oklch(64.3% 0.135 252.3);
Tailwind
colors: {
  custom: {
    50: '#8bb0e7',
    500: '#4a90dc',
    950: '#000000',
  },
}
SCSS
$custom: #4a90dc;
$custom-light: #8bb0e7;
$custom-dark: #000000;
JSON
{
  "hex": "#4a90dc",
  "rgb": {
    "r": 74,
    "g": 144,
    "b": 220
  },
  "hsl": {
    "h": 211.233,
    "s": 67.593,
    "l": 57.647
  },
  "oklch": {
    "l": 0.64264,
    "c": 0.13471,
    "h": 252.3
  },
  "luminance": 0.2657
}

Semantic roles & 50–950 ramp

primary
#4A90DC
secondary
#DEC2A4
accent
#973DEA
background
#F9FAFE
surface
#F1F4FC
border
#CBCED5
text
#0D1016
muted
#7E7F84

Preview Lab

Preview with #4A90DC

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

Preview Lab → · Contrast checker → · Palette generator →

#4A90DC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva