#3FB5D9#3FB5D9

#3FB5D9 is a light, moderate cyan. Relative luminance 0.391; OKLCH L 72.3% C 0.115 H 222.3°. Best body text is #000000 at 8.82:1 contrast (WCAG AA passes).

Color values

HEX#3FB5D9
RGBrgb(63, 181, 217)
HSLhsl(194, 67%, 55%)
HSVhsv(194, 71%, 85%)
CMYKcmyk(71%, 16.6%, 0%, 14.9%)
CIE-LABlab(68.83, -21.13, -27.61)
CIE-LCHlch(68.83, 34.77, 232.57°)
OKLaboklab(72.27% -0.0848 -0.0772)
OKLCHoklch(72.27% 0.115 222.3)
XYZxyz(31.0930, 39.1107, 71.5426)
Luminance0.3911 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3FB5D9 #D9633F
analogous
#3FD9B0 #3FB5D9 #3F68D9
triadic
#3FB5D9 #D93FB5 #B5D93F
tetradic
#3FB5D9 #B03FD9 #D9633F #68D93F
square
#3FB5D9 #B03FD9 #D9633F #68D93F
split-complementary
#3FB5D9 #D93F68 #D9B03F
monochromatic
#1A6B84 #2494B7 #3FB5D9 #72C9E3 #A5DCED

Accessibility & contrast

On white

2.38
#3FB5D9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.82
#3FB5D9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB5D9
8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3FB5D9#FFFFFF#000000##000000
##3FB5D91.002.388.828.82
#FFFFFF2.381.0021.0021.00
#0000008.8221.001.001.00
##0000008.8221.001.001.00

Color blindness preview

Protanopia (red-blind)
#A0B1DB
Deuteranopia (green-blind)
#8BA1D9
Tritanopia (blue-blind)
#00C0C1
Achromatopsia (no color)
#A8A8A8

Design tokens & code

CSS
--color: #3fb5d9;
/* rgb */ color: rgb(63, 181, 217);
/* oklch */ color: oklch(72.3% 0.115 222.3);
Tailwind
colors: {
  custom: {
    50: '#88cbe4',
    500: '#3fb5d9',
    950: '#000000',
  },
}
SCSS
$custom: #3fb5d9;
$custom-light: #88cbe4;
$custom-dark: #000000;
JSON
{
  "hex": "#3fb5d9",
  "rgb": {
    "r": 63,
    "g": 181,
    "b": 217
  },
  "hsl": {
    "h": 194.026,
    "s": 66.957,
    "l": 54.902
  },
  "oklch": {
    "l": 0.72267,
    "c": 0.11467,
    "h": 222.3
  },
  "luminance": 0.39114
}

Semantic roles & 50–950 ramp

primary
#3FB5D9
secondary
#DAA99A
accent
#663EEA
background
#F9FCFD
surface
#F1F8FB
border
#CBD1D4
text
#0D1315
muted
#7E8283

Preview Lab

Preview with #3FB5D9

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

Preview Lab → · Contrast checker → · Palette generator →

#3FB5D9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva