#3F9FC7#3F9FC7

#3F9FC7 is a light, moderate cyan. Relative luminance 0.300; OKLCH L 66.3% C 0.106 H 229.2°. Best body text is #000000 at 7.00:1 contrast (WCAG AA passes).

Color values

HEX#3F9FC7
RGBrgb(63, 159, 199)
HSLhsl(198, 55%, 51%)
HSVhsv(198, 68%, 78%)
CMYKcmyk(68.3%, 20.1%, 0%, 22%)
CIE-LABlab(61.63, -15.32, -28.75)
CIE-LCHlch(61.63, 32.57, 241.95°)
OKLaboklab(66.28% -0.0695 -0.0805)
OKLCHoklch(66.28% 0.106 229.2)
XYZxyz(24.7527, 29.9738, 58.5028)
Luminance0.2998 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F9FC7 #C7673F
analogous
#3FC7AB #3F9FC7 #3F5BC7
triadic
#3F9FC7 #C73F9F #9FC73F
tetradic
#3F9FC7 #AB3FC7 #C7673F #5BC73F
square
#3F9FC7 #AB3FC7 #C7673F #5BC73F
split-complementary
#3F9FC7 #C73F5B #C7AB3F
monochromatic
#20566C #2D7B9B #3F9FC7 #6EB7D5 #9ECEE3

Accessibility & contrast

On white

3.00
#3F9FC7 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

7.00
#3F9FC7 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3F9FC7
7.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F9FC7#FFFFFF#000000##000000
##3F9FC71.003.007.007.00
#FFFFFF3.001.0021.0021.00
#0000007.0021.001.001.00
##0000007.0021.001.001.00

Color blindness preview

Protanopia (red-blind)
#8A9DC9
Deuteranopia (green-blind)
#788FC6
Tritanopia (blue-blind)
#00AAAC
Achromatopsia (no color)
#959595

Design tokens & code

CSS
--color: #3f9fc7;
/* rgb */ color: rgb(63, 159, 199);
/* oklch */ color: oklch(66.3% 0.106 229.2);
Tailwind
colors: {
  custom: {
    50: '#84bbd8',
    500: '#3f9fc7',
    950: '#000000',
  },
}
SCSS
$custom: #3f9fc7;
$custom-light: #84bbd8;
$custom-dark: #000000;
JSON
{
  "hex": "#3f9fc7",
  "rgb": {
    "r": 63,
    "g": 159,
    "b": 199
  },
  "hsl": {
    "h": 197.647,
    "s": 54.839,
    "l": 51.373
  },
  "oklch": {
    "l": 0.66276,
    "c": 0.10639,
    "h": 229.2
  },
  "luminance": 0.29977
}

Semantic roles & 50–950 ramp

primary
#3F9FC7
secondary
#CFA593
accent
#754ADE
background
#F8FBFD
surface
#F0F6FA
border
#CBD0D3
text
#0C1114
muted
#7D8083

Preview Lab

Preview with #3F9FC7

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

Preview Lab → · Contrast checker → · Palette generator →

#3F9FC7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva