#4F66F8#4F66F8

#4F66F8 is a mid, highly saturated blue. Relative luminance 0.179; OKLCH L 57.9% C 0.218 H 271.1°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX#4F66F8
RGBrgb(79, 102, 248)
HSLhsl(232, 92%, 64%)
HSVhsv(232, 68%, 97%)
CMYKcmyk(68.1%, 58.9%, 0%, 2.7%)
CIE-LABlab(49.42, 37.99, -75.55)
CIE-LCHlch(49.42, 84.56, 296.70°)
OKLaboklab(57.89% 0.004 -0.2178)
OKLCHoklch(57.89% 0.218 271.1)
XYZxyz(24.9134, 17.9399, 90.9385)
Luminance0.1794 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4F66F8 #F8E14F
analogous
#4FBBF8 #4F66F8 #8D4FF8
triadic
#4F66F8 #F84F66 #66F84F
tetradic
#4F66F8 #F84FBB #F8E14F #4FF88D
square
#4F66F8 #F84FBB #F8E14F #4FF88D
split-complementary
#4F66F8 #F88D4F #BBF84F
monochromatic
#0822C5 #1433F6 #4F66F8 #8A99FA #C5CCFD

Accessibility & contrast

On white

4.58
#4F66F8 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.59
#4F66F8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F66F8
4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4F66F8#FFFFFF#000000##000000
##4F66F81.004.584.594.59
#FFFFFF4.581.0021.0021.00
#0000004.5921.001.001.00
##0000004.5921.001.001.00

Color blindness preview

Protanopia (red-blind)
#007DFD
Deuteranopia (green-blind)
#006EF5
Tritanopia (blue-blind)
#008AA5
Achromatopsia (no color)
#757575

Design tokens & code

CSS
--color: #4f66f8;
/* rgb */ color: rgb(79, 102, 248);
/* oklch */ color: oklch(57.9% 0.218 271.1);
Tailwind
colors: {
  custom: {
    50: '#9491fc',
    500: '#4f66f8',
    950: '#000000',
  },
}
SCSS
$custom: #4f66f8;
$custom-light: #9491fc;
$custom-dark: #000000;
JSON
{
  "hex": "#4f66f8",
  "rgb": {
    "r": 79,
    "g": 102,
    "b": 248
  },
  "hsl": {
    "h": 231.834,
    "s": 92.35,
    "l": 64.118
  },
  "oklch": {
    "l": 0.57885,
    "c": 0.21789,
    "h": 271.1
  },
  "luminance": 0.17942
}

Semantic roles & 50–950 ramp

primary
#4F66F8
secondary
#EFE7B4
accent
#C600E6
background
#FAF8FF
surface
#F3F0FF
border
#CDCBD7
text
#0F0C18
muted
#7F7D86

Preview Lab

Preview with #4F66F8

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

Preview Lab → · Contrast checker → · Palette generator →

#4F66F8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva