#3FC3DF#3FC3DF

#3FC3DF is a light, moderate cyan. Relative luminance 0.454; OKLCH L 75.8% C 0.118 H 215.1°. Best body text is #000000 at 10.08:1 contrast (WCAG AA passes).

Color values

HEX	#3FC3DF
RGB	rgb(63, 195, 223)
HSL	hsl(191, 71%, 56%)
HSV	hsv(191, 72%, 87%)
CMYK	cmyk(71.7%, 12.6%, 0%, 12.5%)
CIE-LAB	lab(73.16, -26.35, -24.25)
CIE-LCH	lch(73.16, 35.81, 222.62°)
OKLab	oklab(75.82% -0.0961 -0.0676)
OKLCH	oklch(75.82% 0.118 215.1)
XYZ	xyz(34.8787, 45.4106, 76.7246)
Luminance	0.4541 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FC3DF #DF5B3F

analogous

#3FDFAB #3FC3DF #3F73DF

triadic

#3FC3DF #DF3FC3 #C3DF3F

tetradic

#3FC3DF #AB3FDF #DF5B3F #73DF3F

square

#3FC3DF #AB3FDF #DF5B3F #73DF3F

split-complementary

#3FC3DF #DF3F73 #DFAB3F

monochromatic

#17788C #20A5C1 #3FC3DF #73D3E8 #A8E4F0

Accessibility & contrast

On white

2.08

#3FC3DF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.08

#3FC3DF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FC3DF

10.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FC3DF	#FFFFFF	#000000	##000000
##3FC3DF	1.00	2.08	10.08	10.08
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.08	21.00	1.00	1.00
##000000	10.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AFBDE1

Deuteranopia (green-blind)

#99ADDF

Tritanopia (blue-blind)

#00CDCC

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #3fc3df;
/* rgb */ color: rgb(63, 195, 223);
/* oklch */ color: oklch(75.8% 0.118 215.1);

Tailwind

colors: {
  custom: {
    50: '#8ad5e9',
    500: '#3fc3df',
    950: '#000000',
  },
}

SCSS

$custom: #3fc3df;
$custom-light: #8ad5e9;
$custom-dark: #000000;

JSON

{
  "hex": "#3fc3df",
  "rgb": {
    "r": 63,
    "g": 195,
    "b": 223
  },
  "hsl": {
    "h": 190.5,
    "s": 71.429,
    "l": 56.078
  },
  "oklch": {
    "l": 0.75818,
    "c": 0.11751,
    "h": 215.1
  },
  "luminance": 0.45415
}

Semantic roles & 50–950 ramp

primary

#3FC3DF

secondary

#DEA79C

accent

#593AEE

background

#F9FDFE

surface

#F2FAFC

border

#CCD3D5

text

#0D1416

muted

#7E8384

Preview Lab

Preview with #3FC3DF

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

Preview Lab → · Contrast checker → · Palette generator →