#3F6ECE#3F6ECE

#3F6ECE is a mid, vivid blue. Relative luminance 0.167; OKLCH L 55.6% C 0.157 H 262.7°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX#3F6ECE
RGBrgb(63, 110, 206)
HSLhsl(220, 59%, 53%)
HSVhsv(220, 69%, 81%)
CMYKcmyk(69.4%, 46.6%, 0%, 19.2%)
CIE-LABlab(47.83, 15.99, -54.46)
CIE-LCHlch(47.83, 56.76, 286.36°)
OKLaboklab(55.56% -0.0199 -0.156)
OKLCHoklch(55.56% 0.157 262.7)
XYZxyz(18.7625, 16.6629, 60.6080)
Luminance0.1666 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F6ECE #CE9F3F
analogous
#3FB5CE #3F6ECE #583FCE
triadic
#3F6ECE #CE3F6E #6ECE3F
tetradic
#3F6ECE #CE3FB5 #CE9F3F #3FCE58
square
#3F6ECE #CE3FB5 #CE9F3F #3FCE58
split-complementary
#3F6ECE #CE583F #B5CE3F
monochromatic
#1E3A75 #2A53A6 #3F6ECE #7093DA #A1B8E7

Accessibility & contrast

On white

4.85
#3F6ECE on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.33
#3F6ECE on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F6ECE
4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F6ECE#FFFFFF#000000##FFFFFF
##3F6ECE1.004.854.334.85
#FFFFFF4.851.0021.001.00
#0000004.3321.001.0021.00
##FFFFFF4.851.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3C79D2
Deuteranopia (green-blind)
#1C6BCC
Tritanopia (blue-blind)
#008494
Achromatopsia (no color)
#717171

Design tokens & code

CSS
--color: #3f6ece;
/* rgb */ color: rgb(63, 110, 206);
/* oklch */ color: oklch(55.6% 0.157 262.7);
Tailwind
colors: {
  custom: {
    50: '#8497dd',
    500: '#3f6ece',
    950: '#000000',
  },
}
SCSS
$custom: #3f6ece;
$custom-light: #8497dd;
$custom-dark: #000000;
JSON
{
  "hex": "#3f6ece",
  "rgb": {
    "r": 63,
    "g": 110,
    "b": 206
  },
  "hsl": {
    "h": 220.28,
    "s": 59.336,
    "l": 52.745
  },
  "oklch": {
    "l": 0.55564,
    "c": 0.1573,
    "h": 262.7
  },
  "luminance": 0.16665
}

Semantic roles & 50–950 ramp

primary
#3F6ECE
secondary
#D3BF95
accent
#AF45E3
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0D15
muted
#7D7E83

Preview Lab

Preview with #3F6ECE

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

Preview Lab → · Contrast checker → · Palette generator →

#3F6ECE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva