#4DC9E4#4DC9E4

#4DC9E4 is a light, moderate cyan. Relative luminance 0.490; OKLCH L 77.8% C 0.114 H 214.9°. Best body text is #000000 at 10.79:1 contrast (WCAG AA passes).

Color values

HEX	#4DC9E4
RGB	rgb(77, 201, 228)
HSL	hsl(191, 74%, 60%)
HSV	hsv(191, 66%, 89%)
CMYK	cmyk(66.2%, 11.8%, 0%, 10.6%)
CIE-LAB	lab(75.42, -25.88, -23.47)
CIE-LCH	lch(75.42, 34.94, 222.21°)
OKLab	oklab(77.79% -0.0935 -0.0653)
OKLCH	oklch(77.79% 0.114 214.9)
XYZ	xyz(37.9450, 48.9483, 80.8319)
Luminance	0.4895 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4DC9E4 #E4684D

analogous

#4DE4B3 #4DC9E4 #4D7EE4

triadic

#4DC9E4 #E44DC9 #C9E44D

tetradic

#4DC9E4 #B34DE4 #E4684D #7EE44D

square

#4DC9E4 #B34DE4 #E4684D #7EE44D

split-complementary

#4DC9E4 #E44D7E #E4B34D

monochromatic

#18879F #20B4D4 #4DC9E4 #82D9EC #B7E9F4

Accessibility & contrast

On white

1.95

#4DC9E4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.79

#4DC9E4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4DC9E4

10.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4DC9E4	#FFFFFF	#000000	##000000
##4DC9E4	1.00	1.95	10.79	10.79
#FFFFFF	1.95	1.00	21.00	21.00
#000000	10.79	21.00	1.00	1.00
##000000	10.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6C3E6

Deuteranopia (green-blind)

#A0B3E4

Tritanopia (blue-blind)

#00D3D1

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #4dc9e4;
/* rgb */ color: rgb(77, 201, 228);
/* oklch */ color: oklch(77.8% 0.114 214.9);

Tailwind

colors: {
  custom: {
    50: '#90d9ec',
    500: '#4dc9e4',
    950: '#000000',
  },
}

SCSS

$custom: #4dc9e4;
$custom-light: #90d9ec;
$custom-dark: #000000;

JSON

{
  "hex": "#4dc9e4",
  "rgb": {
    "r": 77,
    "g": 201,
    "b": 228
  },
  "hsl": {
    "h": 190.728,
    "s": 73.659,
    "l": 59.804
  },
  "oklch": {
    "l": 0.77787,
    "c": 0.11409,
    "h": 214.9
  },
  "luminance": 0.48953
}

Semantic roles & 50–950 ramp

primary

#4DC9E4

secondary

#E4B4A9

accent

#5937F0

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0E1416

muted

#7E8384

Preview Lab

Preview with #4DC9E4

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

Preview Lab → · Contrast checker → · Palette generator →