#3FD9CB#3FD9CB

#3FD9CB is a light, vivid teal. Relative luminance 0.550; OKLCH L 80.4% C 0.127 H 186.0°. Best body text is #000000 at 12.00:1 contrast (WCAG AA passes).

Color values

HEX#3FD9CB
RGBrgb(63, 217, 203)
HSLhsl(175, 67%, 55%)
HSVhsv(175, 71%, 85%)
CMYKcmyk(71%, 0%, 6.5%, 14.9%)
CIE-LABlab(79.04, -42.47, -4.65)
CIE-LCHlch(79.04, 42.72, 186.25°)
OKLaboklab(80.37% -0.126 -0.0133)
OKLCHoklch(80.37% 0.127 186)
XYZxyz(37.6371, 54.9898, 65.1188)
Luminance0.5499 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3FD9CB #D93F4D
analogous
#3FD97E #3FD9CB #3F9AD9
triadic
#3FD9CB #CB3FD9 #D9CB3F
tetradic
#3FD9CB #7E3FD9 #D93F4D #9AD93F
square
#3FD9CB #7E3FD9 #D93F4D #9AD93F
split-complementary
#3FD9CB #D93F9A #D97E3F
monochromatic
#1A847A #24B7A9 #3FD9CB #72E3D9 #A5EDE7

Accessibility & contrast

On white

1.75
#3FD9CB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.00
#3FD9CB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FD9CB
12.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3FD9CB#FFFFFF#000000##000000
##3FD9CB1.001.7512.0012.00
#FFFFFF1.751.0021.0021.00
#00000012.0021.001.001.00
##00000012.0021.001.001.00

Color blindness preview

Protanopia (red-blind)
#CECDCB
Deuteranopia (green-blind)
#B8BDCD
Tritanopia (blue-blind)
#00DED4
Achromatopsia (no color)
#C4C4C4

Design tokens & code

CSS
--color: #3fd9cb;
/* rgb */ color: rgb(63, 217, 203);
/* oklch */ color: oklch(80.4% 0.127 186.0);
Tailwind
colors: {
  custom: {
    50: '#8ae5da',
    500: '#3fd9cb',
    950: '#000000',
  },
}
SCSS
$custom: #3fd9cb;
$custom-light: #8ae5da;
$custom-dark: #000000;
JSON
{
  "hex": "#3fd9cb",
  "rgb": {
    "r": 63,
    "g": 217,
    "b": 203
  },
  "hsl": {
    "h": 174.545,
    "s": 66.957,
    "l": 54.902
  },
  "oklch": {
    "l": 0.80368,
    "c": 0.12669,
    "h": 186
  },
  "luminance": 0.54994
}

Semantic roles & 50–950 ramp

primary
#3FD9CB
secondary
#8A323A
accent
#3E4EEA
background
#FCFEFE
surface
#F4FCFB
border
#CED5D4
text
#0D1614
muted
#7F8483

Preview Lab

Preview with #3FD9CB

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

Preview Lab → · Contrast checker → · Palette generator →

#3FD9CB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva