#4FC9EF#4FC9EF

#4FC9EF is a light, moderate cyan. Relative luminance 0.497; OKLCH L 78.3% C 0.119 H 222.2°. Best body text is #000000 at 10.93:1 contrast (WCAG AA passes).

Color values

HEX	#4FC9EF
RGB	rgb(79, 201, 239)
HSL	hsl(194, 83%, 62%)
HSV	hsv(194, 67%, 94%)
CMYK	cmyk(66.9%, 15.9%, 0%, 6.3%)
CIE-LAB	lab(75.86, -22.25, -28.71)
CIE-LCH	lch(75.86, 36.33, 232.23°)
OKLab	oklab(78.29% -0.0883 -0.0802)
OKLCH	oklch(78.29% 0.119 222.2)
XYZ	xyz(39.6847, 49.6632, 89.1391)
Luminance	0.4967 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FC9EF #EF754F

analogous

#4FEFC5 #4FC9EF #4F79EF

triadic

#4FC9EF #EF4FC9 #C9EF4F

tetradic

#4FC9EF #C54FEF #EF754F #79EF4F

square

#4FC9EF #C54FEF #EF754F #79EF4F

split-complementary

#4FC9EF #EF4F79 #EFC54F

monochromatic

#108DB3 #17B8EA #4FC9EF #87DAF4 #BFEBF9

Accessibility & contrast

On white

1.92

#4FC9EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.93

#4FC9EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4FC9EF

10.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FC9EF	#FFFFFF	#000000	##000000
##4FC9EF	1.00	1.92	10.93	10.93
#FFFFFF	1.92	1.00	21.00	21.00
#000000	10.93	21.00	1.00	1.00
##000000	10.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3C4F1

Deuteranopia (green-blind)

#9CB4EF

Tritanopia (blue-blind)

#00D5D5

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #4fc9ef;
/* rgb */ color: rgb(79, 201, 239);
/* oklch */ color: oklch(78.3% 0.119 222.2);

Tailwind

colors: {
  custom: {
    50: '#92d9f4',
    500: '#4fc9ef',
    950: '#000000',
  },
}

SCSS

$custom: #4fc9ef;
$custom-light: #92d9f4;
$custom-dark: #000000;

JSON

{
  "hex": "#4fc9ef",
  "rgb": {
    "r": 79,
    "g": 201,
    "b": 239
  },
  "hsl": {
    "h": 194.25,
    "s": 83.333,
    "l": 62.353
  },
  "oklch": {
    "l": 0.78286,
    "c": 0.1193,
    "h": 222.2
  },
  "luminance": 0.49668
}

Semantic roles & 50–950 ramp

primary

#4FC9EF

secondary

#EABEB0

accent

#3A06E0

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0E1417

muted

#7E8385

Preview Lab

Preview with #4FC9EF

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

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