#4FC9F2#4FC9F2

#4FC9F2 is a light, vivid cyan. Relative luminance 0.498; OKLCH L 78.4% C 0.121 H 224.0°. Best body text is #000000 at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#4FC9F2
RGB	rgb(79, 201, 242)
HSL	hsl(195, 86%, 63%)
HSV	hsv(195, 67%, 95%)
CMYK	cmyk(67.4%, 16.9%, 0%, 5.1%)
CIE-LAB	lab(75.97, -21.33, -30.16)
CIE-LCH	lch(75.97, 36.94, 234.73°)
OKLab	oklab(78.41% -0.0872 -0.0843)
OKLCH	oklch(78.41% 0.121 224)
XYZ	xyz(40.1316, 49.8419, 91.4926)
Luminance	0.4985 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FC9F2 #F2784F

analogous

#4FF2C9 #4FC9F2 #4F77F2

triadic

#4FC9F2 #F24FC9 #C9F24F

tetradic

#4FC9F2 #C94FF2 #F2784F #77F24F

square

#4FC9F2 #C94FF2 #F2784F #77F24F

split-complementary

#4FC9F2 #F24F77 #F2C94F

monochromatic

#0E8EB9 #16B8EE #4FC9F2 #88DAF6 #C1ECFA

Accessibility & contrast

On white

1.91

#4FC9F2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.97

#4FC9F2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4FC9F2

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FC9F2	#FFFFFF	#000000	##000000
##4FC9F2	1.00	1.91	10.97	10.97
#FFFFFF	1.91	1.00	21.00	21.00
#000000	10.97	21.00	1.00	1.00
##000000	10.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2C5F4

Deuteranopia (green-blind)

#9BB4F2

Tritanopia (blue-blind)

#00D5D6

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #4fc9f2;
/* rgb */ color: rgb(79, 201, 242);
/* oklch */ color: oklch(78.4% 0.121 224.0);

Tailwind

colors: {
  custom: {
    50: '#92d9f6',
    500: '#4fc9f2',
    950: '#000000',
  },
}

SCSS

$custom: #4fc9f2;
$custom-light: #92d9f6;
$custom-dark: #000000;

JSON

{
  "hex": "#4fc9f2",
  "rgb": {
    "r": 79,
    "g": 201,
    "b": 242
  },
  "hsl": {
    "h": 195.092,
    "s": 86.243,
    "l": 62.941
  },
  "oklch": {
    "l": 0.78411,
    "c": 0.1213,
    "h": 224
  },
  "luminance": 0.49846
}

Semantic roles & 50–950 ramp

primary

#4FC9F2

secondary

#ECC0B1

accent

#3B03E3

background

#F9FDFF

surface

#F2FAFE

border

#CCD3D6

text

#0E1417

muted

#7E8385

Preview Lab

Preview with #4FC9F2

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

Preview Lab → · Contrast checker → · Palette generator →