#4F99D9#4F99D9

#4F99D9 is a light, vivid cyan. Relative luminance 0.295; OKLCH L 66.3% C 0.121 H 247.0°. Best body text is #000000 at 6.89:1 contrast (WCAG AA passes).

Color values

HEX#4F99D9
RGBrgb(79, 153, 217)
HSLhsl(208, 64%, 58%)
HSVhsv(208, 64%, 85%)
CMYKcmyk(63.6%, 29.5%, 0%, 14.9%)
CIE-LABlab(61.18, -3.43, -39.45)
CIE-LCHlch(61.18, 39.60, 265.03°)
OKLaboklab(66.32% -0.0473 -0.1113)
OKLCHoklch(66.32% 0.121 247)
XYZxyz(27.1354, 29.4518, 69.8869)
Luminance0.2945 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4F99D9 #D98F4F
analogous
#4FD9D4 #4F99D9 #4F54D9
triadic
#4F99D9 #D94F99 #99D94F
tetradic
#4F99D9 #D44FD9 #D98F4F #54D94F
square
#4F99D9 #D44FD9 #D98F4F #54D94F
split-complementary
#4F99D9 #D94F54 #D9D44F
monochromatic
#1F5B8F #2A7BC1 #4F99D9 #81B6E4 #B4D3EF

Accessibility & contrast

On white

3.05
#4F99D9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.89
#4F99D9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F99D9
6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4F99D9#FFFFFF#000000##000000
##4F99D91.003.056.896.89
#FFFFFF3.051.0021.0021.00
#0000006.8921.001.001.00
##0000006.8921.001.001.00

Color blindness preview

Protanopia (red-blind)
#7D9BDC
Deuteranopia (green-blind)
#6A8ED8
Tritanopia (blue-blind)
#00A8B0
Achromatopsia (no color)
#949494

Design tokens & code

CSS
--color: #4f99d9;
/* rgb */ color: rgb(79, 153, 217);
/* oklch */ color: oklch(66.3% 0.121 247.0);
Tailwind
colors: {
  custom: {
    50: '#8db6e5',
    500: '#4f99d9',
    950: '#000000',
  },
}
SCSS
$custom: #4f99d9;
$custom-light: #8db6e5;
$custom-dark: #000000;
JSON
{
  "hex": "#4f99d9",
  "rgb": {
    "r": 79,
    "g": 153,
    "b": 217
  },
  "hsl": {
    "h": 207.826,
    "s": 64.486,
    "l": 58.039
  },
  "oklch": {
    "l": 0.66317,
    "c": 0.12097,
    "h": 247
  },
  "luminance": 0.29454
}

Semantic roles & 50–950 ramp

primary
#4F99D9
secondary
#DDC0A6
accent
#8E40E7
background
#F9FBFE
surface
#F1F6FC
border
#CBD0D5
text
#0D1115
muted
#7E8084

Preview Lab

Preview with #4F99D9

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

Preview Lab → · Contrast checker → · Palette generator →

#4F99D9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva