#3FB9E1#3FB9E1

#3FB9E1 is a light, moderate cyan. Relative luminance 0.412; OKLCH L 73.6% C 0.119 H 224.1°. Best body text is #000000 at 9.24:1 contrast (WCAG AA passes).

Color values

HEX#3FB9E1
RGBrgb(63, 185, 225)
HSLhsl(195, 73%, 56%)
HSVhsv(195, 72%, 88%)
CMYKcmyk(72%, 17.8%, 0%, 11.8%)
CIE-LABlab(70.31, -20.65, -29.71)
CIE-LCHlch(70.31, 36.18, 235.20°)
OKLaboklab(73.55% -0.0857 -0.0832)
OKLCHoklch(73.55% 0.119 224.1)
XYZxyz(32.9839, 41.1871, 77.4311)
Luminance0.4119 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3FB9E1 #E1673F
analogous
#3FE1B8 #3FB9E1 #3F68E1
triadic
#3FB9E1 #E13FB9 #B9E13F
tetradic
#3FB9E1 #B83FE1 #E1673F #68E13F
square
#3FB9E1 #B83FE1 #E1673F #68E13F
split-complementary
#3FB9E1 #E13F68 #E1B83F
monochromatic
#16718F #1F9BC4 #3FB9E1 #74CCE9 #A9E0F2

Accessibility & contrast

On white

2.27
#3FB9E1 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.24
#3FB9E1 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB9E1
9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3FB9E1#FFFFFF#000000##000000
##3FB9E11.002.279.249.24
#FFFFFF2.271.0021.0021.00
#0000009.2421.001.001.00
##0000009.2421.001.001.00

Color blindness preview

Protanopia (red-blind)
#A3B5E3
Deuteranopia (green-blind)
#8CA5E1
Tritanopia (blue-blind)
#00C5C6
Achromatopsia (no color)
#ACACAC

Design tokens & code

CSS
--color: #3fb9e1;
/* rgb */ color: rgb(63, 185, 225);
/* oklch */ color: oklch(73.6% 0.119 224.1);
Tailwind
colors: {
  custom: {
    50: '#89ceea',
    500: '#3fb9e1',
    950: '#000000',
  },
}
SCSS
$custom: #3fb9e1;
$custom-light: #89ceea;
$custom-dark: #000000;
JSON
{
  "hex": "#3fb9e1",
  "rgb": {
    "r": 63,
    "g": 185,
    "b": 225
  },
  "hsl": {
    "h": 194.815,
    "s": 72.973,
    "l": 56.471
  },
  "oklch": {
    "l": 0.7355,
    "c": 0.11943,
    "h": 224.1
  },
  "luminance": 0.41191
}

Semantic roles & 50–950 ramp

primary
#3FB9E1
secondary
#DFAD9D
accent
#6538F0
background
#F9FCFE
surface
#F1F9FD
border
#CBD2D5
text
#0D1316
muted
#7E8284

Preview Lab

Preview with #3FB9E1

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

Preview Lab → · Contrast checker → · Palette generator →

#3FB9E1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva