#3671D3#3671D3

#3671D3 is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.2% C 0.163 H 260.0°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX#3671D3
RGBrgb(54, 113, 211)
HSLhsl(217, 64%, 52%)
HSVhsv(217, 74%, 83%)
CMYKcmyk(74.4%, 46.4%, 0%, 17.3%)
CIE-LABlab(48.63, 14.70, -56.05)
CIE-LCHlch(48.63, 57.95, 284.69°)
OKLaboklab(56.18% -0.0283 -0.1608)
OKLCHoklch(56.18% 0.163 260)
XYZxyz(19.1801, 17.2955, 63.9429)
Luminance0.1730 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3671D3 #D39836
analogous
#36C0D3 #3671D3 #4936D3
triadic
#3671D3 #D33671 #71D336
tetradic
#3671D3 #D336C0 #D39836 #36D349
square
#3671D3 #D336C0 #D39836 #36D349
split-complementary
#3671D3 #D34936 #C0D336
monochromatic
#1A3C75 #2556A7 #3671D3 #6894DE #9AB8E9

Accessibility & contrast

On white

4.71
#3671D3 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.46
#3671D3 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3671D3
4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3671D3#FFFFFF#000000##FFFFFF
##3671D31.004.714.464.71
#FFFFFF4.711.0021.001.00
#0000004.4621.001.0021.00
##FFFFFF4.711.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3D7BD7
Deuteranopia (green-blind)
#146DD1
Tritanopia (blue-blind)
#008898
Achromatopsia (no color)
#737373

Design tokens & code

CSS
--color: #3671d3;
/* rgb */ color: rgb(54, 113, 211);
/* oklch */ color: oklch(56.2% 0.163 260.0);
Tailwind
colors: {
  custom: {
    50: '#8299e1',
    500: '#3671d3',
    950: '#000000',
  },
}
SCSS
$custom: #3671d3;
$custom-light: #8299e1;
$custom-dark: #000000;
JSON
{
  "hex": "#3671d3",
  "rgb": {
    "r": 54,
    "g": 113,
    "b": 211
  },
  "hsl": {
    "h": 217.452,
    "s": 64.082,
    "l": 51.961
  },
  "oklch": {
    "l": 0.56181,
    "c": 0.16329,
    "h": 260
  },
  "luminance": 0.17298
}

Semantic roles & 50–950 ramp

primary
#3671D3
secondary
#D5BB90
accent
#A941E7
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0D15
muted
#7D7E83

Preview Lab

Preview with #3671D3

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

Preview Lab → · Contrast checker → · Palette generator →

#3671D3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva