#4F9FE9#4F9FE9

#4F9FE9 is a light, vivid cyan. Relative luminance 0.323; OKLCH L 68.5% C 0.135 H 248.8°. Best body text is #000000 at 7.47:1 contrast (WCAG AA passes).

Color values

HEX#4F9FE9
RGBrgb(79, 159, 233)
HSLhsl(209, 78%, 61%)
HSVhsv(209, 66%, 91%)
CMYKcmyk(66.1%, 31.8%, 0%, 8.6%)
CIE-LABlab(63.62, -1.54, -44.48)
CIE-LCHlch(63.62, 44.50, 268.02°)
OKLaboklab(68.48% -0.0488 -0.1259)
OKLCHoklch(68.48% 0.135 248.8)
XYZxyz(30.3251, 32.3386, 81.7188)
Luminance0.3234 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4F9FE9 #E9994F
analogous
#4FE9E6 #4F9FE9 #4F52E9
triadic
#4F9FE9 #E94F9F #9FE94F
tetradic
#4F9FE9 #E64FE9 #E9994F #52E94F
square
#4F9FE9 #E64FE9 #E9994F #52E94F
split-complementary
#4F9FE9 #E94F52 #E9E64F
monochromatic
#1562A9 #1C81DF #4F9FE9 #85BDF0 #BCDAF7

Accessibility & contrast

On white

2.81
#4F9FE9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.47
#4F9FE9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4F9FE9
7.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4F9FE9#FFFFFF#000000##000000
##4F9FE91.002.817.477.47
#FFFFFF2.811.0021.0021.00
#0000007.4721.001.001.00
##0000007.4721.001.001.00

Color blindness preview

Protanopia (red-blind)
#7EA2EC
Deuteranopia (green-blind)
#6993E8
Tritanopia (blue-blind)
#00B0B9
Achromatopsia (no color)
#9A9A9A

Design tokens & code

CSS
--color: #4f9fe9;
/* rgb */ color: rgb(79, 159, 233);
/* oklch */ color: oklch(68.5% 0.135 248.8);
Tailwind
colors: {
  custom: {
    50: '#8fbbf0',
    500: '#4f9fe9',
    950: '#000000',
  },
}
SCSS
$custom: #4f9fe9;
$custom-light: #8fbbf0;
$custom-dark: #000000;
JSON
{
  "hex": "#4f9fe9",
  "rgb": {
    "r": 79,
    "g": 159,
    "b": 233
  },
  "hsl": {
    "h": 208.831,
    "s": 77.778,
    "l": 61.176
  },
  "oklch": {
    "l": 0.68482,
    "c": 0.13499,
    "h": 248.8
  },
  "luminance": 0.32342
}

Semantic roles & 50–950 ramp

primary
#4F9FE9
secondary
#E7C9AD
accent
#6F0BDA
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0E1116
muted
#7E8084

Preview Lab

Preview with #4F9FE9

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

Preview Lab → · Contrast checker → · Palette generator →

#4F9FE9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva