#4AC9FF#4AC9FF

#4AC9FF is a light, vivid cyan. Relative luminance 0.504; OKLCH L 78.8% C 0.133 H 230.3°. Best body text is #000000 at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#4AC9FF
RGB	rgb(74, 201, 255)
HSL	hsl(198, 100%, 65%)
HSV	hsv(198, 71%, 100%)
CMYK	cmyk(71%, 21.2%, 0%, 0%)
CIE-LAB	lab(76.34, -17.93, -36.56)
CIE-LCH	lch(76.34, 40.72, 243.88°)
OKLab	oklab(78.83% -0.0851 -0.1027)
OKLCH	oklch(78.83% 0.133 230.3)
XYZ	xyz(41.7534, 50.4443, 102.1246)
Luminance	0.5045 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4AC9FF #FF804A

analogous

#4AFFDB #4AC9FF #4A6EFF

triadic

#4AC9FF #FF4AC9 #C9FF4A

tetradic

#4AC9FF #DB4AFF #FF804A #6EFF4A

square

#4AC9FF #DB4AFF #FF804A #6EFF4A

split-complementary

#4AC9FF #FF4A6E #FFDB4A

monochromatic

#0091CF #0DB7FF #4AC9FF #87DBFF #C4EEFF

Accessibility & contrast

On white

1.89

#4AC9FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.09

#4AC9FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4AC9FF

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4AC9FF	#FFFFFF	#000000	##000000
##4AC9FF	1.00	1.89	11.09	11.09
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.09	21.00	1.00	1.00
##000000	11.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ADC6FF

Deuteranopia (green-blind)

#95B5FE

Tritanopia (blue-blind)

#00D8DB

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #4ac9ff;
/* rgb */ color: rgb(74, 201, 255);
/* oklch */ color: oklch(78.8% 0.133 230.3);

Tailwind

colors: {
  custom: {
    50: '#92d9ff',
    500: '#4ac9ff',
    950: '#000000',
  },
}

SCSS

$custom: #4ac9ff;
$custom-light: #92d9ff;
$custom-dark: #000000;

JSON

{
  "hex": "#4ac9ff",
  "rgb": {
    "r": 74,
    "g": 201,
    "b": 255
  },
  "hsl": {
    "h": 197.901,
    "s": 100,
    "l": 64.51
  },
  "oklch": {
    "l": 0.78834,
    "c": 0.13337,
    "h": 230.3
  },
  "luminance": 0.50449
}

Semantic roles & 50–950 ramp

primary

#4AC9FF

secondary

#CA5524

accent

#4400E6

background

#FCFEFF

surface

#F5FBFF

border

#CFD4D7

text

#0F1418

muted

#808386

Preview Lab

Preview with #4AC9FF

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

Preview Lab → · Contrast checker → · Palette generator →