#3FB1CD#3FB1CD

#3FB1CD is a light, moderate cyan. Relative luminance 0.369; OKLCH L 70.8% C 0.108 H 217.5°. Best body text is #000000 at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#3FB1CD
RGB	rgb(63, 177, 205)
HSL	hsl(192, 59%, 53%)
HSV	hsv(192, 69%, 80%)
CMYK	cmyk(69.3%, 13.7%, 0%, 19.6%)
CIE-LAB	lab(67.21, -22.87, -23.51)
CIE-LCH	lch(67.21, 32.80, 225.79°)
OKLab	oklab(70.82% -0.0854 -0.0655)
OKLCH	oklch(70.82% 0.108 217.5)
XYZ	xyz(28.7869, 36.9056, 63.3521)
Luminance	0.3691 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB1CD #CD5B3F

analogous

#3FCDA2 #3FB1CD #3F6ACD

triadic

#3FB1CD #CD3FB1 #B1CD3F

tetradic

#3FB1CD #A23FCD #CD5B3F #6ACD3F

square

#3FB1CD #A23FCD #CD5B3F #6ACD3F

split-complementary

#3FB1CD #CD3F6A #CDA23F

monochromatic

#1E6374 #2B8CA4 #3FB1CD #70C5DA #A0D8E6

Accessibility & contrast

On white

2.51

#3FB1CD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.38

#3FB1CD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB1CD

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB1CD	#FFFFFF	#000000	##000000
##3FB1CD	1.00	2.51	8.38	8.38
#FFFFFF	2.51	1.00	21.00	21.00
#000000	8.38	21.00	1.00	1.00
##000000	8.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FACCF

Deuteranopia (green-blind)

#8B9DCD

Tritanopia (blue-blind)

#00BBBA

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #3fb1cd;
/* rgb */ color: rgb(63, 177, 205);
/* oklch */ color: oklch(70.8% 0.108 217.5);

Tailwind

colors: {
  custom: {
    50: '#86c8dc',
    500: '#3fb1cd',
    950: '#000000',
  },
}

SCSS

$custom: #3fb1cd;
$custom-light: #86c8dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb1cd",
  "rgb": {
    "r": 63,
    "g": 177,
    "b": 205
  },
  "hsl": {
    "h": 191.831,
    "s": 58.678,
    "l": 52.549
  },
  "oklch": {
    "l": 0.70816,
    "c": 0.10768,
    "h": 217.5
  },
  "luminance": 0.36909
}

Semantic roles & 50–950 ramp

primary

#3FB1CD

secondary

#D3A195

accent

#6546E2

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0D1315

muted

#7D8283

Preview Lab

Preview with #3FB1CD

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

Preview Lab → · Contrast checker → · Palette generator →