#3673D8#3673D8

#3673D8 is a mid, vivid blue. Relative luminance 0.180; OKLCH L 56.9% C 0.168 H 260.0°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX#3673D8
RGBrgb(54, 115, 216)
HSLhsl(217, 68%, 53%)
HSVhsv(217, 75%, 85%)
CMYKcmyk(75%, 46.8%, 0%, 15.3%)
CIE-LABlab(49.50, 15.29, -57.50)
CIE-LCHlch(49.50, 59.50, 284.89°)
OKLaboklab(56.95% -0.0292 -0.165)
OKLCHoklch(56.95% 0.168 260)
XYZxyz(20.0422, 18.0013, 67.3707)
Luminance0.1800 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3673D8 #D89B36
analogous
#36C4D8 #3673D8 #4A36D8
triadic
#3673D8 #D83673 #73D836
tetradic
#3673D8 #D836C4 #D89B36 #36D84A
square
#3673D8 #D836C4 #D89B36 #36D84A
split-complementary
#3673D8 #D84A36 #C4D836
monochromatic
#183E7C #2257AF #3673D8 #6997E2 #9DBAEC

Accessibility & contrast

On white

4.56
#3673D8 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.60
#3673D8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3673D8
4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3673D8#FFFFFF#000000##000000
##3673D81.004.564.604.60
#FFFFFF4.561.0021.0021.00
#0000004.6021.001.001.00
##0000004.6021.001.001.00

Color blindness preview

Protanopia (red-blind)
#3C7EDC
Deuteranopia (green-blind)
#0E6FD6
Tritanopia (blue-blind)
#008B9B
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #3673d8;
/* rgb */ color: rgb(54, 115, 216);
/* oklch */ color: oklch(56.9% 0.168 260.0);
Tailwind
colors: {
  custom: {
    50: '#839ae5',
    500: '#3673d8',
    950: '#000000',
  },
}
SCSS
$custom: #3673d8;
$custom-light: #839ae5;
$custom-dark: #000000;
JSON
{
  "hex": "#3673d8",
  "rgb": {
    "r": 54,
    "g": 115,
    "b": 216
  },
  "hsl": {
    "h": 217.407,
    "s": 67.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.56949,
    "c": 0.16758,
    "h": 260
  },
  "luminance": 0.18004
}

Semantic roles & 50–950 ramp

primary
#3673D8
secondary
#D8BE92
accent
#A93DEA
background
#F8F9FE
surface
#F0F2FC
border
#CBCCD5
text
#0C0E16
muted
#7D7E84

Preview Lab

Preview with #3673D8

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

Preview Lab → · Contrast checker → · Palette generator →

#3673D8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva