#3FD9FF#3FD9FF

#3FD9FF is a very light, vivid cyan. Relative luminance 0.579; OKLCH L 82.2% C 0.134 H 218.6°. Best body text is #000000 at 12.58:1 contrast (WCAG AA passes).

Color values

HEX	#3FD9FF
RGB	rgb(63, 217, 255)
HSL	hsl(192, 100%, 62%)
HSV	hsv(192, 75%, 100%)
CMYK	cmyk(75.3%, 14.9%, 0%, 0%)
CIE-LAB	lab(80.68, -27.31, -29.89)
CIE-LCH	lch(80.68, 40.49, 227.59°)
OKLab	oklab(82.25% -0.1047 -0.0835)
OKLCH	oklch(82.25% 0.134 218.6)
XYZ	xyz(44.9051, 57.8970, 103.3969)
Luminance	0.5790 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FD9FF #FF653F

analogous

#3FFFC5 #3FD9FF #3F79FF

triadic

#3FD9FF #FF3FD9 #D9FF3F

tetradic

#3FD9FF #C53FFF #FF653F #79FF3F

square

#3FD9FF #C53FFF #FF653F #79FF3F

split-complementary

#3FD9FF #FF3F79 #FFC53F

monochromatic

#009DC4 #02CDFF #3FD9FF #7CE5FF #B9F1FF

Accessibility & contrast

On white

1.67

#3FD9FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.58

#3FD9FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FD9FF

12.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FD9FF	#FFFFFF	#000000	##000000
##3FD9FF	1.00	1.67	12.58	12.58
#FFFFFF	1.67	1.00	21.00	21.00
#000000	12.58	21.00	1.00	1.00
##000000	12.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1D3FF

Deuteranopia (green-blind)

#A7C0FF

Tritanopia (blue-blind)

#00E6E5

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #3fd9ff;
/* rgb */ color: rgb(63, 217, 255);
/* oklch */ color: oklch(82.2% 0.134 218.6);

Tailwind

colors: {
  custom: {
    50: '#8fe5ff',
    500: '#3fd9ff',
    950: '#000000',
  },
}

SCSS

$custom: #3fd9ff;
$custom-light: #8fe5ff;
$custom-dark: #000000;

JSON

{
  "hex": "#3fd9ff",
  "rgb": {
    "r": 63,
    "g": 217,
    "b": 255
  },
  "hsl": {
    "h": 191.875,
    "s": 100,
    "l": 62.353
  },
  "oklch": {
    "l": 0.82245,
    "c": 0.13393,
    "h": 218.6
  },
  "luminance": 0.57902
}

Semantic roles & 50–950 ramp

primary

#3FD9FF

secondary

#C04122

accent

#2D00E6

background

#FCFEFF

surface

#F5FCFF

border

#CFD5D7

text

#0F1518

muted

#808486

Preview Lab

Preview with #3FD9FF

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

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