#4F99DC#4F99DC

#4F99DC is a light, vivid cyan. Relative luminance 0.296; OKLCH L 66.5% C 0.125 H 248.1°. Best body text is #000000 at 6.92:1 contrast (WCAG AA passes).

Color values

HEX#4F99DC
RGBrgb(79, 153, 220)
HSLhsl(209, 67%, 59%)
HSVhsv(209, 64%, 86%)
CMYKcmyk(64.1%, 30.5%, 0%, 13.7%)
CIE-LABlab(61.32, -2.44, -40.91)
CIE-LCHlch(61.32, 40.98, 266.59°)
OKLaboklab(66.47% -0.0464 -0.1155)
OKLCHoklch(66.47% 0.125 248.1)
XYZxyz(27.5292, 29.6093, 71.9606)
Luminance0.2961 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4F99DC #DC924F
analogous
#4FDCD9 #4F99DC #4F52DC
triadic
#4F99DC #DC4F99 #99DC4F
tetradic
#4F99DC #D94FDC #DC924F #52DC4F
square
#4F99DC #D94FDC #DC924F #52DC4F
split-complementary
#4F99DC #DC4F52 #DCD94F
monochromatic
#1D5B93 #277BC6 #4F99DC #82B7E6 #B5D4F0

Accessibility & contrast

On white

3.03
#4F99DC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.92
#4F99DC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F99DC
6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4F99DC#FFFFFF#000000##000000
##4F99DC1.003.036.926.92
#FFFFFF3.031.0021.0021.00
#0000006.9221.001.001.00
##0000006.9221.001.001.00

Color blindness preview

Protanopia (red-blind)
#7C9CDF
Deuteranopia (green-blind)
#688EDB
Tritanopia (blue-blind)
#00A9B1
Achromatopsia (no color)
#949494

Design tokens & code

CSS
--color: #4f99dc;
/* rgb */ color: rgb(79, 153, 220);
/* oklch */ color: oklch(66.5% 0.125 248.1);
Tailwind
colors: {
  custom: {
    50: '#8db6e7',
    500: '#4f99dc',
    950: '#000000',
  },
}
SCSS
$custom: #4f99dc;
$custom-light: #8db6e7;
$custom-dark: #000000;
JSON
{
  "hex": "#4f99dc",
  "rgb": {
    "r": 79,
    "g": 153,
    "b": 220
  },
  "hsl": {
    "h": 208.511,
    "s": 66.825,
    "l": 58.627
  },
  "oklch": {
    "l": 0.6647,
    "c": 0.12454,
    "h": 248.1
  },
  "luminance": 0.29612
}

Semantic roles & 50–950 ramp

primary
#4F99DC
secondary
#DFC2A8
accent
#903EEA
background
#F9FBFE
surface
#F2F6FC
border
#CCD0D5
text
#0D1116
muted
#7E8084

Preview Lab

Preview with #4F99DC

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

Preview Lab → · Contrast checker → · Palette generator →

#4F99DC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva