#3FA9C5#3FA9C5

#3FA9C5 is a light, moderate cyan. Relative luminance 0.335; OKLCH L 68.6% C 0.103 H 218.8°. Best body text is #000000 at 7.69:1 contrast (WCAG AA passes).

Color values

HEX#3FA9C5
RGBrgb(63, 169, 197)
HSLhsl(193, 54%, 51%)
HSVhsv(193, 68%, 77%)
CMYKcmyk(68%, 14.2%, 0%, 22.7%)
CIE-LABlab(64.53, -21.26, -23.17)
CIE-LCHlch(64.53, 31.44, 227.47°)
OKLaboklab(68.57% -0.0805 -0.0646)
OKLCHoklch(68.57% 0.103 218.8)
XYZxyz(26.3118, 33.4610, 57.8844)
Luminance0.3346 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3FA9C5 #C55B3F
analogous
#3FC59E #3FA9C5 #3F66C5
triadic
#3FA9C5 #C53FA9 #A9C53F
tetradic
#3FA9C5 #9E3FC5 #C55B3F #66C53F
square
#3FA9C5 #9E3FC5 #C55B3F #66C53F
split-complementary
#3FA9C5 #C53F66 #C59E3F
monochromatic
#205A6A #2E8299 #3FA9C5 #6EBED3 #9DD3E1

Accessibility & contrast

On white

2.73
#3FA9C5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.69
#3FA9C5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FA9C5
7.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3FA9C5#FFFFFF#000000##000000
##3FA9C51.002.737.697.69
#FFFFFF2.731.0021.0021.00
#0000007.6921.001.001.00
##0000007.6921.001.001.00

Color blindness preview

Protanopia (red-blind)
#97A4C7
Deuteranopia (green-blind)
#8496C5
Tritanopia (blue-blind)
#00B2B2
Achromatopsia (no color)
#9C9C9C

Design tokens & code

CSS
--color: #3fa9c5;
/* rgb */ color: rgb(63, 169, 197);
/* oklch */ color: oklch(68.6% 0.103 218.8);
Tailwind
colors: {
  custom: {
    50: '#84c2d6',
    500: '#3fa9c5',
    950: '#000000',
  },
}
SCSS
$custom: #3fa9c5;
$custom-light: #84c2d6;
$custom-dark: #000000;
JSON
{
  "hex": "#3fa9c5",
  "rgb": {
    "r": 63,
    "g": 169,
    "b": 197
  },
  "hsl": {
    "h": 192.537,
    "s": 53.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.68572,
    "c": 0.10319,
    "h": 218.8
  },
  "luminance": 0.33464
}

Semantic roles & 50–950 ramp

primary
#3FA9C5
secondary
#CE9F92
accent
#694BDD
background
#F8FBFD
surface
#F0F7FA
border
#CBD0D3
text
#0C1214
muted
#7D8183

Preview Lab

Preview with #3FA9C5

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

Preview Lab → · Contrast checker → · Palette generator →

#3FA9C5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva