#3FB8DF#3FB8DF

#3FB8DF is a light, moderate cyan. Relative luminance 0.407; OKLCH L 73.2% C 0.118 H 223.7°. Best body text is #000000 at 9.13:1 contrast (WCAG AA passes).

Color values

HEX#3FB8DF
RGBrgb(63, 184, 223)
HSLhsl(195, 71%, 56%)
HSVhsv(195, 72%, 87%)
CMYKcmyk(71.7%, 17.5%, 0%, 12.5%)
CIE-LABlab(69.94, -20.77, -29.19)
CIE-LCHlch(69.94, 35.83, 234.57°)
OKLaboklab(73.23% -0.0855 -0.0817)
OKLCHoklch(73.23% 0.118 223.7)
XYZxyz(32.5042, 40.6617, 75.9331)
Luminance0.4067 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3FB8DF #DF663F
analogous
#3FDFB6 #3FB8DF #3F68DF
triadic
#3FB8DF #DF3FB8 #B8DF3F
tetradic
#3FB8DF #B63FDF #DF663F #68DF3F
square
#3FB8DF #B63FDF #DF663F #68DF3F
split-complementary
#3FB8DF #DF3F68 #DFB63F
monochromatic
#17708C #209AC1 #3FB8DF #73CBE8 #A8DFF0

Accessibility & contrast

On white

2.30
#3FB8DF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.13
#3FB8DF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB8DF
9.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3FB8DF#FFFFFF#000000##000000
##3FB8DF1.002.309.139.13
#FFFFFF2.301.0021.0021.00
#0000009.1321.001.001.00
##0000009.1321.001.001.00

Color blindness preview

Protanopia (red-blind)
#A2B4E1
Deuteranopia (green-blind)
#8CA4DF
Tritanopia (blue-blind)
#00C4C5
Achromatopsia (no color)
#ABABAB

Design tokens & code

CSS
--color: #3fb8df;
/* rgb */ color: rgb(63, 184, 223);
/* oklch */ color: oklch(73.2% 0.118 223.7);
Tailwind
colors: {
  custom: {
    50: '#89cde9',
    500: '#3fb8df',
    950: '#000000',
  },
}
SCSS
$custom: #3fb8df;
$custom-light: #89cde9;
$custom-dark: #000000;
JSON
{
  "hex": "#3fb8df",
  "rgb": {
    "r": 63,
    "g": 184,
    "b": 223
  },
  "hsl": {
    "h": 194.625,
    "s": 71.429,
    "l": 56.078
  },
  "oklch": {
    "l": 0.7323,
    "c": 0.11823,
    "h": 223.7
  },
  "luminance": 0.40665
}

Semantic roles & 50–950 ramp

primary
#3FB8DF
secondary
#DEAC9C
accent
#663AEE
background
#F9FCFE
surface
#F1F9FC
border
#CBD2D5
text
#0D1316
muted
#7E8284

Preview Lab

Preview with #3FB8DF

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

Preview Lab → · Contrast checker → · Palette generator →

#3FB8DF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva