#3F8FAD#3F8FAD

#3F8FAD is a mid, moderate cyan. Relative luminance 0.237; OKLCH L 61.3% C 0.090 H 225.8°. Best body text is #000000 at 5.74:1 contrast (WCAG AA passes).

Color values

HEX#3F8FAD
RGBrgb(63, 143, 173)
HSLhsl(196, 47%, 46%)
HSVhsv(196, 64%, 68%)
CMYKcmyk(63.6%, 17.3%, 0%, 32.2%)
CIE-LABlab(55.80, -15.04, -23.03)
CIE-LCHlch(55.80, 27.51, 236.85°)
OKLaboklab(61.28% -0.0624 -0.0643)
OKLCHoklch(61.28% 0.09 225.8)
XYZxyz(19.4122, 23.7168, 43.0818)
Luminance0.2372 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F8FAD #AD5D3F
analogous
#3FAD94 #3F8FAD #3F58AD
triadic
#3F8FAD #AD3F8F #8FAD3F
tetradic
#3F8FAD #943FAD #AD5D3F #58AD3F
square
#3F8FAD #943FAD #AD5D3F #58AD3F
split-complementary
#3F8FAD #AD3F58 #AD943F
monochromatic
#1E4553 #2F6A80 #3F8FAD #63ABC6 #90C3D7

Accessibility & contrast

On white

3.66
#3F8FAD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.74
#3F8FAD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8FAD
5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F8FAD#FFFFFF#000000##000000
##3F8FAD1.003.665.745.74
#FFFFFF3.661.0021.0021.00
#0000005.7421.001.001.00
##0000005.7421.001.001.00

Color blindness preview

Protanopia (red-blind)
#7F8CAF
Deuteranopia (green-blind)
#6F81AD
Tritanopia (blue-blind)
#009899
Achromatopsia (no color)
#868686

Design tokens & code

CSS
--color: #3f8fad;
/* rgb */ color: rgb(63, 143, 173);
/* oklch */ color: oklch(61.3% 0.090 225.8);
Tailwind
colors: {
  custom: {
    50: '#7fafc5',
    500: '#3f8fad',
    950: '#000000',
  },
}
SCSS
$custom: #3f8fad;
$custom-light: #7fafc5;
$custom-dark: #000000;
JSON
{
  "hex": "#3f8fad",
  "rgb": {
    "r": 63,
    "g": 143,
    "b": 173
  },
  "hsl": {
    "h": 196.364,
    "s": 46.61,
    "l": 46.275
  },
  "oklch": {
    "l": 0.6128,
    "c": 0.0896,
    "h": 225.8
  },
  "luminance": 0.23719
}

Semantic roles & 50–950 ramp

primary
#3F8FAD
secondary
#C29686
accent
#7652D6
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B1013
muted
#7C7F82

Preview Lab

Preview with #3F8FAD

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

Preview Lab → · Contrast checker → · Palette generator →

#3F8FAD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva