#4FC5F0#4FC5F0

#4FC5F0 is a light, vivid cyan. Relative luminance 0.479; OKLCH L 77.4% C 0.121 H 225.9°. Best body text is #000000 at 10.58:1 contrast (WCAG AA passes).

Color values

HEX	#4FC5F0
RGB	rgb(79, 197, 240)
HSL	hsl(196, 84%, 63%)
HSV	hsv(196, 67%, 94%)
CMYK	cmyk(67.1%, 17.9%, 0%, 5.9%)
CIE-LAB	lab(74.75, -19.90, -30.96)
CIE-LCH	lch(74.75, 36.80, 237.27°)
OKLab	oklab(77.41% -0.084 -0.0866)
OKLCH	oklch(77.41% 0.121 225.9)
XYZ	xyz(38.9125, 47.8818, 89.6125)
Luminance	0.4789 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FC5F0 #F07A4F

analogous

#4FF0CB #4FC5F0 #4F74F0

triadic

#4FC5F0 #F04FC5 #C5F04F

tetradic

#4FC5F0 #CB4FF0 #F07A4F #74F04F

square

#4FC5F0 #CB4FF0 #F07A4F #74F04F

split-complementary

#4FC5F0 #F04F74 #F0CB4F

monochromatic

#0F89B5 #17B2EB #4FC5F0 #87D8F5 #C0EAFA

Accessibility & contrast

On white

1.99

#4FC5F0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.58

#4FC5F0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4FC5F0

10.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FC5F0	#FFFFFF	#000000	##000000
##4FC5F0	1.00	1.99	10.58	10.58
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.58	21.00	1.00	1.00
##000000	10.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEC1F2

Deuteranopia (green-blind)

#97B1F0

Tritanopia (blue-blind)

#00D2D3

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #4fc5f0;
/* rgb */ color: rgb(79, 197, 240);
/* oklch */ color: oklch(77.4% 0.121 225.9);

Tailwind

colors: {
  custom: {
    50: '#92d6f5',
    500: '#4fc5f0',
    950: '#000000',
  },
}

SCSS

$custom: #4fc5f0;
$custom-light: #92d6f5;
$custom-dark: #000000;

JSON

{
  "hex": "#4fc5f0",
  "rgb": {
    "r": 79,
    "g": 197,
    "b": 240
  },
  "hsl": {
    "h": 196.025,
    "s": 84.293,
    "l": 62.549
  },
  "oklch": {
    "l": 0.77409,
    "c": 0.12066,
    "h": 225.9
  },
  "luminance": 0.47886
}

Semantic roles & 50–950 ramp

primary

#4FC5F0

secondary

#EBC0B0

accent

#4005E1

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0E1417

muted

#7E8385

Preview Lab

Preview with #4FC5F0

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

Preview Lab → · Contrast checker → · Palette generator →