#3F6ABA#3F6ABA

#3F6ABA is a mid, vivid blue. Relative luminance 0.149; OKLCH L 53.4% C 0.135 H 261.7°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX#3F6ABA
RGBrgb(63, 106, 186)
HSLhsl(219, 49%, 49%)
HSVhsv(219, 66%, 73%)
CMYKcmyk(66.1%, 43%, 0%, 27.1%)
CIE-LABlab(45.51, 11.32, -46.67)
CIE-LCHlch(45.51, 48.02, 283.64°)
OKLaboklab(53.39% -0.0195 -0.1332)
OKLCHoklch(53.39% 0.135 261.7)
XYZxyz(16.0637, 14.9084, 48.4759)
Luminance0.1491 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F6ABA #BA8F3F
analogous
#3FA8BA #3F6ABA #513FBA
triadic
#3F6ABA #BA3F6A #6ABA3F
tetradic
#3F6ABA #BA3FA8 #BA8F3F #3FBA51
square
#3F6ABA #BA3FA8 #BA8F3F #3FBA51
split-complementary
#3F6ABA #BA513F #A8BA3F
monochromatic
#20365F #30508C #3F6ABA #6A8CCC #97AFDC

Accessibility & contrast

On white

5.27
#3F6ABA on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.98
#3F6ABA on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F6ABA
5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F6ABA#FFFFFF#000000##FFFFFF
##3F6ABA1.005.273.985.27
#FFFFFF5.271.0021.001.00
#0000003.9821.001.0021.00
##FFFFFF5.271.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4572BD
Deuteranopia (green-blind)
#3166B8
Tritanopia (blue-blind)
#007C89
Achromatopsia (no color)
#6C6C6C

Design tokens & code

CSS
--color: #3f6aba;
/* rgb */ color: rgb(63, 106, 186);
/* oklch */ color: oklch(53.4% 0.135 261.7);
Tailwind
colors: {
  custom: {
    50: '#8194cf',
    500: '#3f6aba',
    950: '#000000',
  },
}
SCSS
$custom: #3f6aba;
$custom-light: #8194cf;
$custom-dark: #000000;
JSON
{
  "hex": "#3f6aba",
  "rgb": {
    "r": 63,
    "g": 106,
    "b": 186
  },
  "hsl": {
    "h": 219.024,
    "s": 49.398,
    "l": 48.824
  },
  "oklch": {
    "l": 0.53387,
    "c": 0.1346,
    "h": 261.7
  },
  "luminance": 0.1491
}

Semantic roles & 50–950 ramp

primary
#3F6ABA
secondary
#C8B38D
accent
#A94FD9
background
#F8F9FC
surface
#F0F1F9
border
#CBCBD2
text
#0B0D14
muted
#7C7E82

Preview Lab

Preview with #3F6ABA

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

Preview Lab → · Contrast checker → · Palette generator →

#3F6ABA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva