#3FB5D6#3FB5D6

#3FB5D6 is a light, moderate cyan. Relative luminance 0.390; OKLCH L 72.1% C 0.113 H 220.3°. Best body text is #000000 at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#3FB5D6
RGB	rgb(63, 181, 214)
HSL	hsl(193, 65%, 54%)
HSV	hsv(193, 71%, 84%)
CMYK	cmyk(70.6%, 15.4%, 0%, 16.1%)
CIE-LAB	lab(68.72, -22.09, -26.14)
CIE-LCH	lch(68.72, 34.22, 229.80°)
OKLab	oklab(72.14% -0.0859 -0.073)
OKLCH	oklch(72.14% 0.113 220.3)
XYZ	xyz(30.7063, 38.9560, 69.5062)
Luminance	0.3896 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB5D6 #D6603F

analogous

#3FD6AC #3FB5D6 #3F69D6

triadic

#3FB5D6 #D63FB5 #B5D63F

tetradic

#3FB5D6 #AC3FD6 #D6603F #69D63F

square

#3FB5D6 #AC3FD6 #D6603F #69D63F

split-complementary

#3FB5D6 #D63F69 #D6AC3F

monochromatic

#1B697F #2693B2 #3FB5D6 #71C8E1 #A4DCEC

Accessibility & contrast

On white

2.39

#3FB5D6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.79

#3FB5D6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB5D6

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB5D6	#FFFFFF	#000000	##000000
##3FB5D6	1.00	2.39	8.79	8.79
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.79	21.00	1.00	1.00
##000000	8.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A1B0D8

Deuteranopia (green-blind)

#8CA1D6

Tritanopia (blue-blind)

#00C0C0

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #3fb5d6;
/* rgb */ color: rgb(63, 181, 214);
/* oklch */ color: oklch(72.1% 0.113 220.3);

Tailwind

colors: {
  custom: {
    50: '#87cbe2',
    500: '#3fb5d6',
    950: '#000000',
  },
}

SCSS

$custom: #3fb5d6;
$custom-light: #87cbe2;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb5d6",
  "rgb": {
    "r": 63,
    "g": 181,
    "b": 214
  },
  "hsl": {
    "h": 193.113,
    "s": 64.807,
    "l": 54.314
  },
  "oklch": {
    "l": 0.7214,
    "c": 0.11276,
    "h": 220.3
  },
  "luminance": 0.3896
}

Semantic roles & 50–950 ramp

primary

#3FB5D6

secondary

#D8A698

accent

#6540E8

background

#F9FCFD

surface

#F1F8FB

border

#CBD1D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #3FB5D6

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

Preview Lab → · Contrast checker → · Palette generator →