#3FB1CC#3FB1CC

#3FB1CC is a light, moderate cyan. Relative luminance 0.369; OKLCH L 70.8% C 0.107 H 216.8°. Best body text is #000000 at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#3FB1CC
RGB	rgb(63, 177, 204)
HSL	hsl(191, 58%, 52%)
HSV	hsv(191, 69%, 80%)
CMYK	cmyk(69.1%, 13.2%, 0%, 20%)
CIE-LAB	lab(67.17, -23.18, -23.01)
CIE-LCH	lch(67.17, 32.66, 224.79°)
OKLab	oklab(70.78% -0.0858 -0.0641)
OKLCH	oklch(70.78% 0.107 216.8)
XYZ	xyz(28.6666, 36.8574, 62.7184)
Luminance	0.3686 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB1CC #CC5A3F

analogous

#3FCCA0 #3FB1CC #3F6BCC

triadic

#3FB1CC #CC3FB1 #B1CC3F

tetradic

#3FB1CC #A03FCC #CC5A3F #6BCC3F

square

#3FB1CC #A03FCC #CC5A3F #6BCC3F

split-complementary

#3FB1CC #CC3F6B #CCA03F

monochromatic

#1E6272 #2B8CA3 #3FB1CC #6FC5D9 #A0D8E6

Accessibility & contrast

On white

2.51

#3FB1CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.37

#3FB1CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB1CC

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB1CC	#FFFFFF	#000000	##000000
##3FB1CC	1.00	2.51	8.37	8.37
#FFFFFF	2.51	1.00	21.00	21.00
#000000	8.37	21.00	1.00	1.00
##000000	8.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FACCE

Deuteranopia (green-blind)

#8B9DCC

Tritanopia (blue-blind)

#00BBB9

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #3fb1cc;
/* rgb */ color: rgb(63, 177, 204);
/* oklch */ color: oklch(70.8% 0.107 216.8);

Tailwind

colors: {
  custom: {
    50: '#86c8db',
    500: '#3fb1cc',
    950: '#000000',
  },
}

SCSS

$custom: #3fb1cc;
$custom-light: #86c8db;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb1cc",
  "rgb": {
    "r": 63,
    "g": 177,
    "b": 204
  },
  "hsl": {
    "h": 191.489,
    "s": 58.025,
    "l": 52.353
  },
  "oklch": {
    "l": 0.70775,
    "c": 0.10714,
    "h": 216.8
  },
  "luminance": 0.36861
}

Semantic roles & 50–950 ramp

primary

#3FB1CC

secondary

#D2A095

accent

#6447E1

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #3FB1CC

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

Preview Lab → · Contrast checker → · Palette generator →