#3FDDFF#3FDDFF

#3FDDFF is a very light, vivid cyan. Relative luminance 0.600; OKLCH L 83.2% C 0.134 H 215.9°. Best body text is #000000 at 13.00:1 contrast (WCAG AA passes).

Color values

HEX	#3FDDFF
RGB	rgb(63, 221, 255)
HSL	hsl(191, 100%, 62%)
HSV	hsv(191, 75%, 100%)
CMYK	cmyk(75.3%, 13.3%, 0%, 0%)
CIE-LAB	lab(81.83, -29.26, -28.13)
CIE-LCH	lch(81.83, 40.59, 223.87°)
OKLab	oklab(83.17% -0.1084 -0.0785)
OKLCH	oklch(83.17% 0.134 215.9)
XYZ	xyz(45.9487, 59.9841, 103.7448)
Luminance	0.5999 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FDDFF #FF613F

analogous

#3FFFC1 #3FDDFF #3F7DFF

triadic

#3FDDFF #FF3FDD #DDFF3F

tetradic

#3FDDFF #C13FFF #FF613F #7DFF3F

square

#3FDDFF #C13FFF #FF613F #7DFF3F

split-complementary

#3FDDFF #FF3F7D #FFC13F

monochromatic

#00A1C4 #02D2FF #3FDDFF #7CE8FF #B9F3FF

Accessibility & contrast

On white

1.62

#3FDDFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.00

#3FDDFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FDDFF

13.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FDDFF	#FFFFFF	#000000	##000000
##3FDDFF	1.00	1.62	13.00	13.00
#FFFFFF	1.62	1.00	21.00	21.00
#000000	13.00	21.00	1.00	1.00
##000000	13.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6D6FF

Deuteranopia (green-blind)

#ACC3FF

Tritanopia (blue-blind)

#00E9E8

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #3fddff;
/* rgb */ color: rgb(63, 221, 255);
/* oklch */ color: oklch(83.2% 0.134 215.9);

Tailwind

colors: {
  custom: {
    50: '#90e8ff',
    500: '#3fddff',
    950: '#000000',
  },
}

SCSS

$custom: #3fddff;
$custom-light: #90e8ff;
$custom-dark: #000000;

JSON

{
  "hex": "#3fddff",
  "rgb": {
    "r": 63,
    "g": 221,
    "b": 255
  },
  "hsl": {
    "h": 190.625,
    "s": 100,
    "l": 62.353
  },
  "oklch": {
    "l": 0.83169,
    "c": 0.13382,
    "h": 215.9
  },
  "luminance": 0.5999
}

Semantic roles & 50–950 ramp

primary

#3FDDFF

secondary

#C03E22

accent

#2900E6

background

#FCFEFF

surface

#F5FCFF

border

#CFD5D7

text

#0F1618

muted

#808486

Preview Lab

Preview with #3FDDFF

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

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