#3F8AD5#3F8AD5

#3F8AD5 is a light, vivid cyan. Relative luminance 0.240; OKLCH L 62.1% C 0.136 H 250.9°. Best body text is #000000 at 5.81:1 contrast (WCAG AA passes).

Color values

HEX#3F8AD5
RGBrgb(63, 138, 213)
HSLhsl(210, 64%, 54%)
HSVhsv(210, 70%, 84%)
CMYKcmyk(70.4%, 35.2%, 0%, 16.5%)
CIE-LABlab(56.12, 1.35, -45.22)
CIE-LCHlch(56.12, 45.24, 271.71°)
OKLaboklab(62.12% -0.0444 -0.1285)
OKLCHoklch(62.12% 0.136 250.9)
XYZxyz(23.1441, 24.0353, 66.3574)
Luminance0.2404 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F8AD5 #D58A3F
analogous
#3FD5D5 #3F8AD5 #3F3FD5
triadic
#3F8AD5 #D53F8A #8AD53F
tetradic
#3F8AD5 #D53FD5 #D58A3F #3FD53F
square
#3F8AD5 #D53FD5 #D58A3F #3FD53F
split-complementary
#3F8AD5 #D53F3F #D5D53F
monochromatic
#1C4D7E #276BB0 #3F8AD5 #71A9E0 #A3C7EB

Accessibility & contrast

On white

3.62
#3F8AD5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.81
#3F8AD5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8AD5
5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F8AD5#FFFFFF#000000##000000
##3F8AD51.003.625.815.81
#FFFFFF3.621.0021.0021.00
#0000005.8121.001.001.00
##0000005.8121.001.001.00

Color blindness preview

Protanopia (red-blind)
#688ED8
Deuteranopia (green-blind)
#5280D4
Tritanopia (blue-blind)
#009CA5
Achromatopsia (no color)
#878787

Design tokens & code

CSS
--color: #3f8ad5;
/* rgb */ color: rgb(63, 138, 213);
/* oklch */ color: oklch(62.1% 0.136 250.9);
Tailwind
colors: {
  custom: {
    50: '#85abe2',
    500: '#3f8ad5',
    950: '#000000',
  },
}
SCSS
$custom: #3f8ad5;
$custom-light: #85abe2;
$custom-dark: #000000;
JSON
{
  "hex": "#3f8ad5",
  "rgb": {
    "r": 63,
    "g": 138,
    "b": 213
  },
  "hsl": {
    "h": 210,
    "s": 64.103,
    "l": 54.118
  },
  "oklch": {
    "l": 0.62124,
    "c": 0.13593,
    "h": 250.9
  },
  "luminance": 0.24038
}

Semantic roles & 50–950 ramp

primary
#3F8AD5
secondary
#D8B898
accent
#9441E7
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83

Preview Lab

Preview with #3F8AD5

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

Preview Lab → · Contrast checker → · Palette generator →

#3F8AD5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva