#4EC9EF#4EC9EF

#4EC9EF is a light, moderate cyan. Relative luminance 0.496; OKLCH L 78.3% C 0.120 H 222.1°. Best body text is #000000 at 10.93:1 contrast (WCAG AA passes).

Color values

HEX#4EC9EF
RGBrgb(78, 201, 239)
HSLhsl(194, 83%, 62%)
HSVhsv(194, 67%, 94%)
CMYKcmyk(67.4%, 15.9%, 0%, 6.3%)
CIE-LABlab(75.84, -22.40, -28.76)
CIE-LCHlch(75.84, 36.45, 232.09°)
OKLaboklab(78.26% -0.0889 -0.0803)
OKLCHoklch(78.26% 0.12 222.1)
XYZxyz(39.6022, 49.6206, 89.1352)
Luminance0.4963 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4EC9EF #EF744E
analogous
#4EEFC4 #4EC9EF #4E79EF
triadic
#4EC9EF #EF4EC9 #C9EF4E
tetradic
#4EC9EF #C44EEF #EF744E #79EF4E
square
#4EC9EF #C44EEF #EF744E #79EF4E
split-complementary
#4EC9EF #EF4E79 #EFC44E
monochromatic
#108CB2 #16B8EA #4EC9EF #86DAF4 #BEEBF9

Accessibility & contrast

On white

1.92
#4EC9EF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.93
#4EC9EF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4EC9EF
10.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4EC9EF#FFFFFF#000000##000000
##4EC9EF1.001.9210.9310.93
#FFFFFF1.921.0021.0021.00
#00000010.9321.001.001.00
##00000010.9321.001.001.00

Color blindness preview

Protanopia (red-blind)
#B3C4F1
Deuteranopia (green-blind)
#9CB4EF
Tritanopia (blue-blind)
#00D5D5
Achromatopsia (no color)
#BBBBBB

Design tokens & code

CSS
--color: #4ec9ef;
/* rgb */ color: rgb(78, 201, 239);
/* oklch */ color: oklch(78.3% 0.120 222.1);
Tailwind
colors: {
  custom: {
    50: '#91d9f4',
    500: '#4ec9ef',
    950: '#000000',
  },
}
SCSS
$custom: #4ec9ef;
$custom-light: #91d9f4;
$custom-dark: #000000;
JSON
{
  "hex": "#4ec9ef",
  "rgb": {
    "r": 78,
    "g": 201,
    "b": 239
  },
  "hsl": {
    "h": 194.161,
    "s": 83.42,
    "l": 62.157
  },
  "oklch": {
    "l": 0.78258,
    "c": 0.11976,
    "h": 222.1
  },
  "luminance": 0.49625
}

Semantic roles & 50–950 ramp

primary
#4EC9EF
secondary
#EABDAF
accent
#3906E0
background
#F9FDFE
surface
#F2FAFD
border
#CCD3D5
text
#0E1417
muted
#7E8385

Preview Lab

Preview with #4EC9EF

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

Preview Lab → · Contrast checker → · Palette generator →

#4EC9EF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva