#3FC9DB#3FC9DB

#3FC9DB is a light, moderate teal. Relative luminance 0.479; OKLCH L 77.1% C 0.117 H 207.8°. Best body text is #000000 at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#3FC9DB
RGB	rgb(63, 201, 219)
HSL	hsl(187, 68%, 55%)
HSV	hsv(187, 71%, 86%)
CMYK	cmyk(71.2%, 8.2%, 0%, 14.1%)
CIE-LAB	lab(74.79, -30.51, -19.61)
CIE-LCH	lch(74.79, 36.27, 212.73°)
OKLab	oklab(77.08% -0.1035 -0.0545)
OKLCH	oklch(77.08% 0.117 207.8)
XYZ	xyz(35.7172, 47.9403, 74.3751)
Luminance	0.4794 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FC9DB #DB513F

analogous

#3FDB9F #3FC9DB #3F7BDB

triadic

#3FC9DB #DB3FC9 #C9DB3F

tetradic

#3FC9DB #9F3FDB #DB513F #7BDB3F

square

#3FC9DB #9F3FDB #DB513F #7BDB3F

split-complementary

#3FC9DB #DB3F7B #DB9F3F

monochromatic

#197A86 #23A9BA #3FC9DB #73D7E5 #A6E6EE

Accessibility & contrast

On white

1.98

#3FC9DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.59

#3FC9DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FC9DB

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FC9DB	#FFFFFF	#000000	##000000
##3FC9DB	1.00	1.98	10.59	10.59
#FFFFFF	1.98	1.00	21.00	21.00
#000000	10.59	21.00	1.00	1.00
##000000	10.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8C1DC

Deuteranopia (green-blind)

#A2B1DB

Tritanopia (blue-blind)

#00D2CE

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #3fc9db;
/* rgb */ color: rgb(63, 201, 219);
/* oklch */ color: oklch(77.1% 0.117 207.8);

Tailwind

colors: {
  custom: {
    50: '#8ad9e6',
    500: '#3fc9db',
    950: '#000000',
  },
}

SCSS

$custom: #3fc9db;
$custom-light: #8ad9e6;
$custom-dark: #000000;

JSON

{
  "hex": "#3fc9db",
  "rgb": {
    "r": 63,
    "g": 201,
    "b": 219
  },
  "hsl": {
    "h": 186.923,
    "s": 68.421,
    "l": 55.294
  },
  "oklch": {
    "l": 0.77083,
    "c": 0.11702,
    "h": 207.8
  },
  "luminance": 0.47945
}

Semantic roles & 50–950 ramp

primary

#3FC9DB

secondary

#DCA29A

accent

#513DEB

background

#F9FDFE

surface

#F2FAFC

border

#CCD3D5

text

#0D1515

muted

#7E8384

Preview Lab

Preview with #3FC9DB

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

Preview Lab → · Contrast checker → · Palette generator →