#4FB9E3#4FB9E3

#4FB9E3 is a light, moderate cyan. Relative luminance 0.419; OKLCH L 74.1% C 0.114 H 227.5°. Best body text is #000000 at 9.38:1 contrast (WCAG AA passes).

Color values

HEX#4FB9E3
RGBrgb(79, 185, 227)
HSLhsl(197, 73%, 60%)
HSVhsv(197, 65%, 89%)
CMYKcmyk(65.2%, 18.5%, 0%, 11%)
CIE-LABlab(70.80, -17.72, -30.00)
CIE-LCHlch(70.80, 34.84, 239.44°)
OKLaboklab(74.09% -0.0767 -0.0839)
OKLCHoklch(74.09% 0.114 227.5)
XYZxyz(34.4330, 41.9026, 78.9315)
Luminance0.4191 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4FB9E3 #E3794F
analogous
#4FE3C3 #4FB9E3 #4F6FE3
triadic
#4FB9E3 #E34FB9 #B9E34F
tetradic
#4FB9E3 #C34FE3 #E3794F #6FE34F
square
#4FB9E3 #C34FE3 #E3794F #6FE34F
split-complementary
#4FB9E3 #E34F6F #E3C34F
monochromatic
#19799E #22A1D3 #4FB9E3 #84CEEB #B9E3F4

Accessibility & contrast

On white

2.24
#4FB9E3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.38
#4FB9E3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4FB9E3
9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4FB9E3#FFFFFF#000000##000000
##4FB9E31.002.249.389.38
#FFFFFF2.241.0021.0021.00
#0000009.3821.001.001.00
##0000009.3821.001.001.00

Color blindness preview

Protanopia (red-blind)
#A3B6E5
Deuteranopia (green-blind)
#8EA7E2
Tritanopia (blue-blind)
#00C5C7
Achromatopsia (no color)
#ADADAD

Design tokens & code

CSS
--color: #4fb9e3;
/* rgb */ color: rgb(79, 185, 227);
/* oklch */ color: oklch(74.1% 0.114 227.5);
Tailwind
colors: {
  custom: {
    50: '#8fceec',
    500: '#4fb9e3',
    950: '#000000',
  },
}
SCSS
$custom: #4fb9e3;
$custom-light: #8fceec;
$custom-dark: #000000;
JSON
{
  "hex": "#4fb9e3",
  "rgb": {
    "r": 79,
    "g": 185,
    "b": 227
  },
  "hsl": {
    "h": 197.027,
    "s": 72.549,
    "l": 60
  },
  "oklch": {
    "l": 0.74092,
    "c": 0.1137,
    "h": 227.5
  },
  "luminance": 0.41906
}

Semantic roles & 50–950 ramp

primary
#4FB9E3
secondary
#E3BBAA
accent
#6C39EF
background
#F9FCFE
surface
#F2F9FD
border
#CCD2D5
text
#0E1316
muted
#7E8284

Preview Lab

Preview with #4FB9E3

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

Preview Lab → · Contrast checker → · Palette generator →

#4FB9E3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva