#4ACFEF#4ACFEF

#4ACFEF is a light, vivid cyan. Relative luminance 0.523; OKLCH L 79.5% C 0.121 H 217.1°. Best body text is #000000 at 11.46:1 contrast (WCAG AA passes).

Color values

HEX	#4ACFEF
RGB	rgb(74, 207, 239)
HSL	hsl(192, 84%, 61%)
HSV	hsv(192, 69%, 94%)
CMYK	cmyk(69%, 13.4%, 0%, 6.3%)
CIE-LAB	lab(77.47, -25.97, -26.27)
CIE-LCH	lch(77.47, 36.94, 225.33°)
OKLab	oklab(79.54% -0.0967 -0.0732)
OKLCH	oklch(79.54% 0.121 217.1)
XYZ	xyz(40.7104, 52.3088, 89.5957)
Luminance	0.5231 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4ACFEF #EF6A4A

analogous

#4AEFBC #4ACFEF #4A7DEF

triadic

#4ACFEF #EF4ACF #CFEF4A

tetradic

#4ACFEF #BC4AEF #EF6A4A #7DEF4A

square

#4ACFEF #BC4AEF #EF6A4A #7DEF4A

split-complementary

#4ACFEF #EF4A7D #EFBC4A

monochromatic

#0F90AF #14BEE7 #4ACFEF #82DEF4 #BAEDF9

Accessibility & contrast

On white

1.83

#4ACFEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.46

#4ACFEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4ACFEF

11.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4ACFEF	#FFFFFF	#000000	##000000
##4ACFEF	1.00	1.83	11.46	11.46
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.46	21.00	1.00	1.00
##000000	11.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAC9F1

Deuteranopia (green-blind)

#A3B8EF

Tritanopia (blue-blind)

#00DAD9

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #4acfef;
/* rgb */ color: rgb(74, 207, 239);
/* oklch */ color: oklch(79.5% 0.121 217.1);

Tailwind

colors: {
  custom: {
    50: '#90def4',
    500: '#4acfef',
    950: '#000000',
  },
}

SCSS

$custom: #4acfef;
$custom-light: #90def4;
$custom-dark: #000000;

JSON

{
  "hex": "#4acfef",
  "rgb": {
    "r": 74,
    "g": 207,
    "b": 239
  },
  "hsl": {
    "h": 191.636,
    "s": 83.756,
    "l": 61.373
  },
  "oklch": {
    "l": 0.79537,
    "c": 0.12128,
    "h": 217.1
  },
  "luminance": 0.52313
}

Semantic roles & 50–950 ramp

primary

#4ACFEF

secondary

#AF472E

accent

#3005E0

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0E1517

muted

#7F8485

Preview Lab

Preview with #4ACFEF

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

Preview Lab → · Contrast checker → · Palette generator →