#3670D3#3670D3

#3670D3 is a mid, vivid blue. Relative luminance 0.171; OKLCH L 56.0% C 0.164 H 260.4°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX#3670D3
RGBrgb(54, 112, 211)
HSLhsl(218, 64%, 52%)
HSVhsv(218, 74%, 83%)
CMYKcmyk(74.4%, 46.9%, 0%, 17.3%)
CIE-LABlab(48.35, 15.33, -56.50)
CIE-LCHlch(48.35, 58.54, 285.18°)
OKLaboklab(55.97% -0.0275 -0.1621)
OKLCHoklch(55.97% 0.164 260.4)
XYZxyz(19.0691, 17.0736, 63.9059)
Luminance0.1708 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3670D3 #D39936
analogous
#36BFD3 #3670D3 #4A36D3
triadic
#3670D3 #D33670 #70D336
tetradic
#3670D3 #D336BF #D39936 #36D34A
square
#3670D3 #D336BF #D39936 #36D34A
split-complementary
#3670D3 #D34A36 #BFD336
monochromatic
#1A3B75 #2555A7 #3670D3 #6894DE #9AB7E9

Accessibility & contrast

On white

4.76
#3670D3 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.42
#3670D3 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3670D3
4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3670D3#FFFFFF#000000##FFFFFF
##3670D31.004.764.424.76
#FFFFFF4.761.0021.001.00
#0000004.4221.001.0021.00
##FFFFFF4.761.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3A7AD7
Deuteranopia (green-blind)
#0E6CD1
Tritanopia (blue-blind)
#008797
Achromatopsia (no color)
#737373

Design tokens & code

CSS
--color: #3670d3;
/* rgb */ color: rgb(54, 112, 211);
/* oklch */ color: oklch(56.0% 0.164 260.4);
Tailwind
colors: {
  custom: {
    50: '#8298e1',
    500: '#3670d3',
    950: '#000000',
  },
}
SCSS
$custom: #3670d3;
$custom-light: #8298e1;
$custom-dark: #000000;
JSON
{
  "hex": "#3670d3",
  "rgb": {
    "r": 54,
    "g": 112,
    "b": 211
  },
  "hsl": {
    "h": 217.834,
    "s": 64.082,
    "l": 51.961
  },
  "oklch": {
    "l": 0.55968,
    "c": 0.16446,
    "h": 260.4
  },
  "luminance": 0.17076
}

Semantic roles & 50–950 ramp

primary
#3670D3
secondary
#D5BB90
accent
#AA41E7
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0D15
muted
#7D7E83

Preview Lab

Preview with #3670D3

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

Preview Lab → · Contrast checker → · Palette generator →

#3670D3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva