#3FB9D8#3FB9D8

#3FB9D8 is a light, moderate cyan. Relative luminance 0.407; OKLCH L 73.2% C 0.114 H 218.4°. Best body text is #000000 at 9.14:1 contrast (WCAG AA passes).

Color values

HEX#3FB9D8
RGBrgb(63, 185, 216)
HSLhsl(192, 66%, 55%)
HSVhsv(192, 71%, 85%)
CMYKcmyk(70.8%, 14.4%, 0%, 15.3%)
CIE-LABlab(69.97, -23.50, -25.32)
CIE-LCHlch(69.97, 34.54, 227.13°)
OKLaboklab(73.17% -0.0891 -0.0706)
OKLCHoklch(73.17% 0.114 218.4)
XYZxyz(31.7884, 40.7089, 71.1347)
Luminance0.4071 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3FB9D8 #D85E3F
analogous
#3FD8AB #3FB9D8 #3F6CD8
triadic
#3FB9D8 #D83FB9 #B9D83F
tetradic
#3FB9D8 #AB3FD8 #D85E3F #6CD83F
square
#3FB9D8 #AB3FD8 #D85E3F #6CD83F
split-complementary
#3FB9D8 #D83F6C #D8AB3F
monochromatic
#1A6D82 #2598B5 #3FB9D8 #72CCE2 #A5DEED

Accessibility & contrast

On white

2.30
#3FB9D8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.14
#3FB9D8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB9D8
9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3FB9D8#FFFFFF#000000##000000
##3FB9D81.002.309.149.14
#FFFFFF2.301.0021.0021.00
#0000009.1421.001.001.00
##0000009.1421.001.001.00

Color blindness preview

Protanopia (red-blind)
#A5B4DA
Deuteranopia (green-blind)
#90A4D8
Tritanopia (blue-blind)
#00C4C3
Achromatopsia (no color)
#ABABAB

Design tokens & code

CSS
--color: #3fb9d8;
/* rgb */ color: rgb(63, 185, 216);
/* oklch */ color: oklch(73.2% 0.114 218.4);
Tailwind
colors: {
  custom: {
    50: '#88cee4',
    500: '#3fb9d8',
    950: '#000000',
  },
}
SCSS
$custom: #3fb9d8;
$custom-light: #88cee4;
$custom-dark: #000000;
JSON
{
  "hex": "#3fb9d8",
  "rgb": {
    "r": 63,
    "g": 185,
    "b": 216
  },
  "hsl": {
    "h": 192.157,
    "s": 66.234,
    "l": 54.706
  },
  "oklch": {
    "l": 0.7317,
    "c": 0.1137,
    "h": 218.4
  },
  "luminance": 0.40713
}

Semantic roles & 50–950 ramp

primary
#3FB9D8
secondary
#DAA699
accent
#613FE9
background
#F9FCFD
surface
#F1F9FB
border
#CBD2D4
text
#0D1315
muted
#7E8283

Preview Lab

Preview with #3FB9D8

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

Preview Lab → · Contrast checker → · Palette generator →

#3FB9D8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva