#4AC9EF#4AC9EF

#4AC9EF is a light, vivid cyan. Relative luminance 0.495; OKLCH L 78.1% C 0.122 H 221.6°. Best body text is #000000 at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#4AC9EF
RGB	rgb(74, 201, 239)
HSL	hsl(194, 84%, 61%)
HSV	hsv(194, 69%, 94%)
CMYK	cmyk(69%, 15.9%, 0%, 6.3%)
CIE-LAB	lab(75.73, -22.96, -28.92)
CIE-LCH	lch(75.73, 36.93, 231.55°)
OKLab	oklab(78.15% -0.0908 -0.0808)
OKLCH	oklch(78.15% 0.122 221.6)
XYZ	xyz(39.2843, 49.4567, 89.1203)
Luminance	0.4946 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4AC9EF #EF704A

analogous

#4AEFC3 #4AC9EF #4A77EF

triadic

#4AC9EF #EF4AC9 #C9EF4A

tetradic

#4AC9EF #C34AEF #EF704A #77EF4A

square

#4AC9EF #C34AEF #EF704A #77EF4A

split-complementary

#4AC9EF #EF4A77 #EFC34A

monochromatic

#0F8AAF #14B7E7 #4AC9EF #82DAF4 #BAEBF9

Accessibility & contrast

On white

1.93

#4AC9EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.89

#4AC9EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4AC9EF

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4AC9EF	#FFFFFF	#000000	##000000
##4AC9EF	1.00	1.93	10.89	10.89
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.89	21.00	1.00	1.00
##000000	10.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3C4F1

Deuteranopia (green-blind)

#9CB3EF

Tritanopia (blue-blind)

#00D5D5

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #4ac9ef;
/* rgb */ color: rgb(74, 201, 239);
/* oklch */ color: oklch(78.1% 0.122 221.6);

Tailwind

colors: {
  custom: {
    50: '#90d9f4',
    500: '#4ac9ef',
    950: '#000000',
  },
}

SCSS

$custom: #4ac9ef;
$custom-light: #90d9f4;
$custom-dark: #000000;

JSON

{
  "hex": "#4ac9ef",
  "rgb": {
    "r": 74,
    "g": 201,
    "b": 239
  },
  "hsl": {
    "h": 193.818,
    "s": 83.756,
    "l": 61.373
  },
  "oklch": {
    "l": 0.78148,
    "c": 0.12157,
    "h": 221.6
  },
  "luminance": 0.49461
}

Semantic roles & 50–950 ramp

primary

#4AC9EF

secondary

#E9BAAC

accent

#3805E0

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0E1417

muted

#7E8385

Preview Lab

Preview with #4AC9EF

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

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