#4BC9F0#4BC9F0

#4BC9F0 is a light, vivid cyan. Relative luminance 0.496; OKLCH L 78.2% C 0.122 H 222.4°. Best body text is #000000 at 10.91:1 contrast (WCAG AA passes).

Color values

HEX#4BC9F0
RGBrgb(75, 201, 240)
HSLhsl(194, 85%, 62%)
HSVhsv(194, 69%, 94%)
CMYKcmyk(68.7%, 16.3%, 0%, 5.9%)
CIE-LABlab(75.80, -22.51, -29.36)
CIE-LCHlch(75.80, 37.00, 232.52°)
OKLaboklab(78.22% -0.09 -0.082)
OKLCHoklch(78.22% 0.122 222.4)
XYZxyz(39.5100, 49.5560, 89.9042)
Luminance0.4956 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4BC9F0 #F0724B
analogous
#4BF0C5 #4BC9F0 #4B77F0
triadic
#4BC9F0 #F04BC9 #C9F04B
tetradic
#4BC9F0 #C54BF0 #F0724B #77F04B
square
#4BC9F0 #C54BF0 #F0724B #77F04B
split-complementary
#4BC9F0 #F04B77 #F0C54B
monochromatic
#0F8BB2 #14B8EA #4BC9F0 #83DAF5 #BCEBF9

Accessibility & contrast

On white

1.92
#4BC9F0 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.91
#4BC9F0 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4BC9F0
10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4BC9F0#FFFFFF#000000##000000
##4BC9F01.001.9210.9110.91
#FFFFFF1.921.0021.0021.00
#00000010.9121.001.001.00
##00000010.9121.001.001.00

Color blindness preview

Protanopia (red-blind)
#B2C4F2
Deuteranopia (green-blind)
#9BB4F0
Tritanopia (blue-blind)
#00D5D6
Achromatopsia (no color)
#BBBBBB

Design tokens & code

CSS
--color: #4bc9f0;
/* rgb */ color: rgb(75, 201, 240);
/* oklch */ color: oklch(78.2% 0.122 222.4);
Tailwind
colors: {
  custom: {
    50: '#90d9f5',
    500: '#4bc9f0',
    950: '#000000',
  },
}
SCSS
$custom: #4bc9f0;
$custom-light: #90d9f5;
$custom-dark: #000000;
JSON
{
  "hex": "#4bc9f0",
  "rgb": {
    "r": 75,
    "g": 201,
    "b": 240
  },
  "hsl": {
    "h": 194.182,
    "s": 84.615,
    "l": 61.765
  },
  "oklch": {
    "l": 0.78216,
    "c": 0.12177,
    "h": 222.4
  },
  "luminance": 0.4956
}

Semantic roles & 50–950 ramp

primary
#4BC9F0
secondary
#EABBAD
accent
#3904E1
background
#F9FDFE
surface
#F2FAFD
border
#CCD3D5
text
#0E1417
muted
#7E8385

Preview Lab

Preview with #4BC9F0

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

Preview Lab → · Contrast checker → · Palette generator →

#4BC9F0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva