#3FD9DD#3FD9DD

#3FD9DD is a light, vivid teal. Relative luminance 0.559; OKLCH L 81.0% C 0.124 H 197.6°. Best body text is #000000 at 12.18:1 contrast (WCAG AA passes).

Color values

HEX	#3FD9DD
RGB	rgb(63, 217, 221)
HSL	hsl(182, 70%, 56%)
HSV	hsv(182, 71%, 87%)
CMYK	cmyk(71.5%, 1.8%, 0%, 13.3%)
CIE-LAB	lab(79.56, -37.47, -13.50)
CIE-LCH	lch(79.56, 39.83, 199.81°)
OKLab	oklab(80.96% -0.1182 -0.0375)
OKLCH	oklch(80.96% 0.124 197.6)
XYZ	xyz(39.9080, 55.8982, 77.0787)
Luminance	0.5590 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FD9DD #DD433F

analogous

#3FDD92 #3FD9DD #3F8ADD

triadic

#3FD9DD #DD3FD9 #D9DD3F

tetradic

#3FD9DD #923FDD #DD433F #8ADD3F

square

#3FD9DD #923FDD #DD433F #8ADD3F

split-complementary

#3FD9DD #DD3F8A #DD923F

monochromatic

#188689 #22B9BD #3FD9DD #73E3E6 #A7EEEF

Accessibility & contrast

On white

1.72

#3FD9DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.18

#3FD9DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FD9DD

12.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FD9DD	#FFFFFF	#000000	##000000
##3FD9DD	1.00	1.72	12.18	12.18
#FFFFFF	1.72	1.00	21.00	21.00
#000000	12.18	21.00	1.00	1.00
##000000	12.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CACFDE

Deuteranopia (green-blind)

#B3BEDE

Tritanopia (blue-blind)

#00E0DA

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #3fd9dd;
/* rgb */ color: rgb(63, 217, 221);
/* oklch */ color: oklch(81.0% 0.124 197.6);

Tailwind

colors: {
  custom: {
    50: '#8ce5e7',
    500: '#3fd9dd',
    950: '#000000',
  },
}

SCSS

$custom: #3fd9dd;
$custom-light: #8ce5e7;
$custom-dark: #000000;

JSON

{
  "hex": "#3fd9dd",
  "rgb": {
    "r": 63,
    "g": 217,
    "b": 221
  },
  "hsl": {
    "h": 181.519,
    "s": 69.912,
    "l": 55.686
  },
  "oklch": {
    "l": 0.80963,
    "c": 0.12402,
    "h": 197.6
  },
  "luminance": 0.55903
}

Semantic roles & 50–950 ramp

primary

#3FD9DD

secondary

#8F3331

accent

#403BED

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1616

muted

#7F8484

Preview Lab

Preview with #3FD9DD

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

Preview Lab → · Contrast checker → · Palette generator →