#3FB1D8#3FB1D8

#3FB1D8 is a light, moderate cyan. Relative luminance 0.375; OKLCH L 71.3% C 0.115 H 224.9°. Best body text is #000000 at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#3FB1D8
RGB	rgb(63, 177, 216)
HSL	hsl(195, 66%, 55%)
HSV	hsv(195, 71%, 85%)
CMYK	cmyk(70.8%, 18.1%, 0%, 15.3%)
CIE-LAB	lab(67.62, -19.38, -28.93)
CIE-LCH	lch(67.62, 34.82, 236.19°)
OKLab	oklab(71.28% -0.0812 -0.081)
OKLCH	oklch(71.28% 0.115 224.9)
XYZ	xyz(30.1616, 37.4555, 70.5925)
Luminance	0.3746 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB1D8 #D8663F

analogous

#3FD8B3 #3FB1D8 #3F65D8

triadic

#3FB1D8 #D83FB1 #B1D83F

tetradic

#3FB1D8 #B33FD8 #D8663F #65D83F

square

#3FB1D8 #B33FD8 #D8663F #65D83F

split-complementary

#3FB1D8 #D83F65 #D8B33F

monochromatic

#1A6882 #2590B5 #3FB1D8 #72C6E2 #A5DAED

Accessibility & contrast

On white

2.47

#3FB1D8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.49

#3FB1D8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB1D8

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB1D8	#FFFFFF	#000000	##000000
##3FB1D8	1.00	2.47	8.49	8.49
#FFFFFF	2.47	1.00	21.00	21.00
#000000	8.49	21.00	1.00	1.00
##000000	8.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BADDA

Deuteranopia (green-blind)

#869ED8

Tritanopia (blue-blind)

#00BDBE

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #3fb1d8;
/* rgb */ color: rgb(63, 177, 216);
/* oklch */ color: oklch(71.3% 0.115 224.9);

Tailwind

colors: {
  custom: {
    50: '#87c8e4',
    500: '#3fb1d8',
    950: '#000000',
  },
}

SCSS

$custom: #3fb1d8;
$custom-light: #87c8e4;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb1d8",
  "rgb": {
    "r": 63,
    "g": 177,
    "b": 216
  },
  "hsl": {
    "h": 195.294,
    "s": 66.234,
    "l": 54.706
  },
  "oklch": {
    "l": 0.71282,
    "c": 0.11471,
    "h": 224.9
  },
  "luminance": 0.37459
}

Semantic roles & 50–950 ramp

primary

#3FB1D8

secondary

#DAAA99

accent

#6A3FE9

background

#F9FCFD

surface

#F1F8FB

border

#CBD1D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #3FB1D8

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

Preview Lab → · Contrast checker → · Palette generator →