#4DD9FF#4DD9FF

#4DD9FF is a very light, vivid cyan. Relative luminance 0.584; OKLCH L 82.6% C 0.129 H 219.7°. Best body text is #000000 at 12.68:1 contrast (WCAG AA passes).

Color values

HEX	#4DD9FF
RGB	rgb(77, 217, 255)
HSL	hsl(193, 100%, 65%)
HSV	hsv(193, 70%, 100%)
CMYK	cmyk(69.8%, 14.9%, 0%, 0%)
CIE-LAB	lab(80.97, -25.65, -29.42)
CIE-LCH	lch(80.97, 39.04, 228.91°)
OKLab	oklab(82.56% -0.0989 -0.0821)
OKLCH	oklch(82.56% 0.129 219.7)
XYZ	xyz(45.9159, 58.4182, 103.4443)
Luminance	0.5842 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4DD9FF #FF734D

analogous

#4DFFCC #4DD9FF #4D80FF

triadic

#4DD9FF #FF4DD9 #D9FF4D

tetradic

#4DD9FF #CC4DFF #FF734D #80FF4D

square

#4DD9FF #CC4DFF #FF734D #80FF4D

split-complementary

#4DD9FF #FF4D80 #FFCC4D

monochromatic

#00A5D2 #10CCFF #4DD9FF #8AE6FF #C7F3FF

Accessibility & contrast

On white

1.66

#4DD9FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.68

#4DD9FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4DD9FF

12.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4DD9FF	#FFFFFF	#000000	##000000
##4DD9FF	1.00	1.66	12.68	12.68
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.68	21.00	1.00	1.00
##000000	12.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2D3FF

Deuteranopia (green-blind)

#A9C1FF

Tritanopia (blue-blind)

#00E6E5

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #4dd9ff;
/* rgb */ color: rgb(77, 217, 255);
/* oklch */ color: oklch(82.6% 0.129 219.7);

Tailwind

colors: {
  custom: {
    50: '#94e5ff',
    500: '#4dd9ff',
    950: '#000000',
  },
}

SCSS

$custom: #4dd9ff;
$custom-light: #94e5ff;
$custom-dark: #000000;

JSON

{
  "hex": "#4dd9ff",
  "rgb": {
    "r": 77,
    "g": 217,
    "b": 255
  },
  "hsl": {
    "h": 192.809,
    "s": 100,
    "l": 65.098
  },
  "oklch": {
    "l": 0.82561,
    "c": 0.12857,
    "h": 219.7
  },
  "luminance": 0.58423
}

Semantic roles & 50–950 ramp

primary

#4DD9FF

secondary

#CC4824

accent

#3100E6

background

#FCFEFF

surface

#F5FCFF

border

#CFD5D7

text

#0F1518

muted

#808486

Preview Lab

Preview with #4DD9FF

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

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