#3FC4DF#3FC4DF

#3FC4DF is a light, moderate cyan. Relative luminance 0.459; OKLCH L 76.1% C 0.118 H 214.3°. Best body text is #000000 at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#3FC4DF
RGB	rgb(63, 196, 223)
HSL	hsl(190, 71%, 56%)
HSV	hsv(190, 72%, 87%)
CMYK	cmyk(71.7%, 12.1%, 0%, 12.5%)
CIE-LAB	lab(73.45, -26.85, -23.80)
CIE-LCH	lch(73.45, 35.88, 221.56°)
OKLab	oklab(76.05% -0.0971 -0.0663)
OKLCH	oklch(76.05% 0.118 214.3)
XYZ	xyz(35.1035, 45.8602, 76.7996)
Luminance	0.4586 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FC4DF #DF5A3F

analogous

#3FDFAA #3FC4DF #3F74DF

triadic

#3FC4DF #DF3FC4 #C4DF3F

tetradic

#3FC4DF #AA3FDF #DF5A3F #74DF3F

square

#3FC4DF #AA3FDF #DF5A3F #74DF3F

split-complementary

#3FC4DF #DF3F74 #DFAA3F

monochromatic

#17798C #20A6C1 #3FC4DF #73D4E8 #A8E4F0

Accessibility & contrast

On white

2.06

#3FC4DF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.17

#3FC4DF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FC4DF

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FC4DF	#FFFFFF	#000000	##000000
##3FC4DF	1.00	2.06	10.17	10.17
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.17	21.00	1.00	1.00
##000000	10.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1BEE1

Deuteranopia (green-blind)

#9AADDF

Tritanopia (blue-blind)

#00CECC

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #3fc4df;
/* rgb */ color: rgb(63, 196, 223);
/* oklch */ color: oklch(76.1% 0.118 214.3);

Tailwind

colors: {
  custom: {
    50: '#8ad6e9',
    500: '#3fc4df',
    950: '#000000',
  },
}

SCSS

$custom: #3fc4df;
$custom-light: #8ad6e9;
$custom-dark: #000000;

JSON

{
  "hex": "#3fc4df",
  "rgb": {
    "r": 63,
    "g": 196,
    "b": 223
  },
  "hsl": {
    "h": 190.125,
    "s": 71.429,
    "l": 56.078
  },
  "oklch": {
    "l": 0.76054,
    "c": 0.11759,
    "h": 214.3
  },
  "luminance": 0.45864
}

Semantic roles & 50–950 ramp

primary

#3FC4DF

secondary

#DEA79C

accent

#583AEE

background

#F9FDFE

surface

#F2FAFC

border

#CCD3D5

text

#0D1416

muted

#7E8384

Preview Lab

Preview with #3FC4DF

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

Preview Lab → · Contrast checker → · Palette generator →