#4990D8#4990D8

#4990D8 is a light, vivid cyan. Relative luminance 0.263; OKLCH L 64.0% C 0.130 H 250.8°. Best body text is #000000 at 6.26:1 contrast (WCAG AA passes).

Color values

HEX#4990D8
RGBrgb(73, 144, 216)
HSLhsl(210, 65%, 57%)
HSVhsv(210, 66%, 85%)
CMYKcmyk(66.2%, 33.3%, 0%, 15.3%)
CIE-LABlab(58.34, 0.41, -43.38)
CIE-LCHlch(58.34, 43.38, 270.54°)
OKLaboklab(64.01% -0.0427 -0.1229)
OKLCHoklch(64.01% 0.13 250.8)
XYZxyz(25.1110, 26.3183, 68.7090)
Luminance0.2632 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4990D8 #D89149
analogous
#49D7D8 #4990D8 #4A49D8
triadic
#4990D8 #D84990 #90D849
tetradic
#4990D8 #D849D7 #D89149 #49D84A
square
#4990D8 #D849D7 #D89149 #49D84A
split-complementary
#4990D8 #D84A49 #D7D849
monochromatic
#1D5389 #2871BC #4990D8 #7BAFE3 #AECDEE

Accessibility & contrast

On white

3.35
#4990D8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.26
#4990D8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4990D8
6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4990D8#FFFFFF#000000##000000
##4990D81.003.356.266.26
#FFFFFF3.351.0021.0021.00
#0000006.2621.001.001.00
##0000006.2621.001.001.00

Color blindness preview

Protanopia (red-blind)
#7094DB
Deuteranopia (green-blind)
#5C86D7
Tritanopia (blue-blind)
#00A1AA
Achromatopsia (no color)
#8C8C8C

Design tokens & code

CSS
--color: #4990d8;
/* rgb */ color: rgb(73, 144, 216);
/* oklch */ color: oklch(64.0% 0.130 250.8);
Tailwind
colors: {
  custom: {
    50: '#8ab0e4',
    500: '#4990d8',
    950: '#000000',
  },
}
SCSS
$custom: #4990d8;
$custom-light: #8ab0e4;
$custom-dark: #000000;
JSON
{
  "hex": "#4990d8",
  "rgb": {
    "r": 73,
    "g": 144,
    "b": 216
  },
  "hsl": {
    "h": 210.21,
    "s": 64.706,
    "l": 56.667
  },
  "oklch": {
    "l": 0.64007,
    "c": 0.13012,
    "h": 250.8
  },
  "luminance": 0.26321
}

Semantic roles & 50–950 ramp

primary
#4990D8
secondary
#DCBFA1
accent
#9440E8
background
#F9FAFE
surface
#F1F4FC
border
#CBCED5
text
#0D1015
muted
#7E7F84

Preview Lab

Preview with #4990D8

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

Preview Lab → · Contrast checker → · Palette generator →

#4990D8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva