#3FB1D1#3FB1D1

#3FB1D1 is a light, moderate cyan. Relative luminance 0.371; OKLCH L 71.0% C 0.110 H 220.3°. Best body text is #000000 at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#3FB1D1
RGB	rgb(63, 177, 209)
HSL	hsl(193, 61%, 53%)
HSV	hsv(193, 70%, 82%)
CMYK	cmyk(69.9%, 15.3%, 0%, 18%)
CIE-LAB	lab(67.35, -21.61, -25.49)
CIE-LCH	lch(67.35, 33.41, 229.71°)
OKLab	oklab(70.98% -0.0839 -0.0712)
OKLCH	oklch(70.98% 0.11 220.3)
XYZ	xyz(29.2759, 37.1012, 65.9276)
Luminance	0.3710 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB1D1 #D15F3F

analogous

#3FD1A8 #3FB1D1 #3F68D1

triadic

#3FB1D1 #D13FB1 #B1D13F

tetradic

#3FB1D1 #A83FD1 #D15F3F #68D13F

square

#3FB1D1 #A83FD1 #D15F3F #68D13F

split-complementary

#3FB1D1 #D13F68 #D1A83F

monochromatic

#1D6579 #298EAA #3FB1D1 #70C5DD #A2D9E9

Accessibility & contrast

On white

2.49

#3FB1D1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.42

#3FB1D1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB1D1

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB1D1	#FFFFFF	#000000	##000000
##3FB1D1	1.00	2.49	8.42	8.42
#FFFFFF	2.49	1.00	21.00	21.00
#000000	8.42	21.00	1.00	1.00
##000000	8.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EACD3

Deuteranopia (green-blind)

#899ED1

Tritanopia (blue-blind)

#00BBBB

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #3fb1d1;
/* rgb */ color: rgb(63, 177, 209);
/* oklch */ color: oklch(71.0% 0.110 220.3);

Tailwind

colors: {
  custom: {
    50: '#86c8df',
    500: '#3fb1d1',
    950: '#000000',
  },
}

SCSS

$custom: #3fb1d1;
$custom-light: #86c8df;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb1d1",
  "rgb": {
    "r": 63,
    "g": 177,
    "b": 209
  },
  "hsl": {
    "h": 193.151,
    "s": 61.345,
    "l": 53.333
  },
  "oklch": {
    "l": 0.70982,
    "c": 0.11001,
    "h": 220.3
  },
  "luminance": 0.37104
}

Semantic roles & 50–950 ramp

primary

#3FB1D1

secondary

#D5A497

accent

#6743E4

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0D1315

muted

#7D8283

Preview Lab

Preview with #3FB1D1

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

Preview Lab → · Contrast checker → · Palette generator →