#4FC5EF#4FC5EF

#4FC5EF is a light, moderate cyan. Relative luminance 0.478; OKLCH L 77.4% C 0.120 H 225.3°. Best body text is #000000 at 10.57:1 contrast (WCAG AA passes).

Color values

HEX#4FC5EF
RGBrgb(79, 197, 239)
HSLhsl(196, 83%, 62%)
HSVhsv(196, 67%, 94%)
CMYKcmyk(66.9%, 17.6%, 0%, 6.3%)
CIE-LABlab(74.71, -20.21, -30.48)
CIE-LCHlch(74.71, 36.57, 236.46°)
OKLaboklab(77.37% -0.0844 -0.0852)
OKLCHoklch(77.37% 0.12 225.3)
XYZxyz(38.7644, 47.8225, 88.8323)
Luminance0.4783 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4FC5EF #EF794F
analogous
#4FEFC9 #4FC5EF #4F75EF
triadic
#4FC5EF #EF4FC5 #C5EF4F
tetradic
#4FC5EF #C94FEF #EF794F #75EF4F
square
#4FC5EF #C94FEF #EF794F #75EF4F
split-complementary
#4FC5EF #EF4F75 #EFC94F
monochromatic
#1089B3 #17B3EA #4FC5EF #87D7F4 #BFEAF9

Accessibility & contrast

On white

1.99
#4FC5EF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.57
#4FC5EF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4FC5EF
10.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4FC5EF#FFFFFF#000000##000000
##4FC5EF1.001.9910.5710.57
#FFFFFF1.991.0021.0021.00
#00000010.5721.001.001.00
##00000010.5721.001.001.00

Color blindness preview

Protanopia (red-blind)
#AEC1F1
Deuteranopia (green-blind)
#98B1EF
Tritanopia (blue-blind)
#00D1D3
Achromatopsia (no color)
#B8B8B8

Design tokens & code

CSS
--color: #4fc5ef;
/* rgb */ color: rgb(79, 197, 239);
/* oklch */ color: oklch(77.4% 0.120 225.3);
Tailwind
colors: {
  custom: {
    50: '#92d6f4',
    500: '#4fc5ef',
    950: '#000000',
  },
}
SCSS
$custom: #4fc5ef;
$custom-light: #92d6f4;
$custom-dark: #000000;
JSON
{
  "hex": "#4fc5ef",
  "rgb": {
    "r": 79,
    "g": 197,
    "b": 239
  },
  "hsl": {
    "h": 195.75,
    "s": 83.333,
    "l": 62.353
  },
  "oklch": {
    "l": 0.77366,
    "c": 0.11993,
    "h": 225.3
  },
  "luminance": 0.47827
}

Semantic roles & 50–950 ramp

primary
#4FC5EF
secondary
#EABFB0
accent
#3F06E0
background
#F9FDFE
surface
#F2FAFD
border
#CCD3D5
text
#0E1417
muted
#7E8385

Preview Lab

Preview with #4FC5EF

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

Preview Lab → · Contrast checker → · Palette generator →

#4FC5EF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva