#4FC9F0#4FC9F0

#4FC9F0 is a light, moderate cyan. Relative luminance 0.497; OKLCH L 78.3% C 0.120 H 222.8°. Best body text is #000000 at 10.95:1 contrast (WCAG AA passes).

Color values

HEX	#4FC9F0
RGB	rgb(79, 201, 240)
HSL	hsl(195, 84%, 63%)
HSV	hsv(195, 67%, 94%)
CMYK	cmyk(67.1%, 16.3%, 0%, 5.9%)
CIE-LAB	lab(75.90, -21.94, -29.20)
CIE-LCH	lch(75.90, 36.52, 233.07°)
OKLab	oklab(78.33% -0.088 -0.0815)
OKLCH	oklch(78.33% 0.12 222.8)
XYZ	xyz(39.8329, 49.7224, 89.9193)
Luminance	0.4973 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FC9F0 #F0764F

analogous

#4FF0C6 #4FC9F0 #4F79F0

triadic

#4FC9F0 #F04FC9 #C9F04F

tetradic

#4FC9F0 #C64FF0 #F0764F #79F04F

square

#4FC9F0 #C64FF0 #F0764F #79F04F

split-complementary

#4FC9F0 #F04F79 #F0C64F

monochromatic

#0F8DB5 #17B8EB #4FC9F0 #87DAF5 #C0ECFA

Accessibility & contrast

On white

1.92

#4FC9F0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.95

#4FC9F0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4FC9F0

10.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FC9F0	#FFFFFF	#000000	##000000
##4FC9F0	1.00	1.92	10.95	10.95
#FFFFFF	1.92	1.00	21.00	21.00
#000000	10.95	21.00	1.00	1.00
##000000	10.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3C4F2

Deuteranopia (green-blind)

#9CB4F0

Tritanopia (blue-blind)

#00D5D6

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #4fc9f0;
/* rgb */ color: rgb(79, 201, 240);
/* oklch */ color: oklch(78.3% 0.120 222.8);

Tailwind

colors: {
  custom: {
    50: '#92d9f5',
    500: '#4fc9f0',
    950: '#000000',
  },
}

SCSS

$custom: #4fc9f0;
$custom-light: #92d9f5;
$custom-dark: #000000;

JSON

{
  "hex": "#4fc9f0",
  "rgb": {
    "r": 79,
    "g": 201,
    "b": 240
  },
  "hsl": {
    "h": 194.534,
    "s": 84.293,
    "l": 62.549
  },
  "oklch": {
    "l": 0.78328,
    "c": 0.11995,
    "h": 222.8
  },
  "luminance": 0.49727
}

Semantic roles & 50–950 ramp

primary

#4FC9F0

secondary

#EBBEB0

accent

#3A05E1

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0E1417

muted

#7E8385

Preview Lab

Preview with #4FC9F0

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

Preview Lab → · Contrast checker → · Palette generator →