#3F80AE#3F80AE

#3F80AE is a mid, moderate cyan. Relative luminance 0.196; OKLCH L 57.7% C 0.097 H 241.9°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX#3F80AE
RGBrgb(63, 128, 174)
HSLhsl(205, 47%, 46%)
HSVhsv(205, 64%, 68%)
CMYKcmyk(63.8%, 26.4%, 0%, 31.8%)
CIE-LABlab(51.32, -6.25, -30.54)
CIE-LCHlch(51.32, 31.17, 258.43°)
OKLaboklab(57.73% -0.0458 -0.0859)
OKLCHoklch(57.73% 0.097 241.9)
XYZxyz(17.4062, 19.5494, 42.8923)
Luminance0.1955 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F80AE #AE6D3F
analogous
#3FAEA5 #3F80AE #3F49AE
triadic
#3F80AE #AE3F80 #80AE3F
tetradic
#3F80AE #A53FAE #AE6D3F #49AE3F
square
#3F80AE #A53FAE #AE6D3F #49AE3F
split-complementary
#3F80AE #AE3F49 #AEA53F
monochromatic
#1E3E54 #2F5F81 #3F80AE #649EC7 #90BAD7

Accessibility & contrast

On white

4.28
#3F80AE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.91
#3F80AE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F80AE
4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F80AE#FFFFFF#000000##000000
##3F80AE1.004.284.914.91
#FFFFFF4.281.0021.0021.00
#0000004.9121.001.001.00
##0000004.9121.001.001.00

Color blindness preview

Protanopia (red-blind)
#6B80B0
Deuteranopia (green-blind)
#5C75AD
Tritanopia (blue-blind)
#008B90
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #3f80ae;
/* rgb */ color: rgb(63, 128, 174);
/* oklch */ color: oklch(57.7% 0.097 241.9);
Tailwind
colors: {
  custom: {
    50: '#7fa4c6',
    500: '#3f80ae',
    950: '#000000',
  },
}
SCSS
$custom: #3f80ae;
$custom-light: #7fa4c6;
$custom-dark: #000000;
JSON
{
  "hex": "#3f80ae",
  "rgb": {
    "r": 63,
    "g": 128,
    "b": 174
  },
  "hsl": {
    "h": 204.865,
    "s": 46.835,
    "l": 46.471
  },
  "oklch": {
    "l": 0.57733,
    "c": 0.09732,
    "h": 241.9
  },
  "luminance": 0.19551
}

Semantic roles & 50–950 ramp

primary
#3F80AE
secondary
#C29F87
accent
#8951D6
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B0F13
muted
#7C7F82

Preview Lab

Preview with #3F80AE

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

Preview Lab → · Contrast checker → · Palette generator →

#3F80AE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva