#3674DB#3674DB

#3674DB is a mid, vivid blue. Relative luminance 0.184; OKLCH L 57.4% C 0.170 H 260.0°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX#3674DB
RGBrgb(54, 116, 219)
HSLhsl(217, 70%, 54%)
HSVhsv(217, 75%, 86%)
CMYKcmyk(75.3%, 47%, 0%, 14.1%)
CIE-LABlab(49.96, 15.77, -58.45)
CIE-LCHlch(49.96, 60.54, 285.10°)
OKLaboklab(57.37% -0.0295 -0.1678)
OKLCHoklch(57.37% 0.17 260)
XYZxyz(20.5483, 18.3872, 69.4702)
Luminance0.1839 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3674DB #DB9D36
analogous
#36C6DB #3674DB #4A36DB
triadic
#3674DB #DB3674 #74DB36
tetradic
#3674DB #DB36C6 #DB9D36 #36DB4A
square
#3674DB #DB36C6 #DB9D36 #36DB4A
split-complementary
#3674DB #DB4A36 #C6DB36
monochromatic
#173E80 #2058B4 #3674DB #6A98E4 #9EBCEE

Accessibility & contrast

On white

4.49
#3674DB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.68
#3674DB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3674DB
4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3674DB#FFFFFF#000000##000000
##3674DB1.004.494.684.68
#FFFFFF4.491.0021.0021.00
#0000004.6821.001.001.00
##0000004.6821.001.001.00

Color blindness preview

Protanopia (red-blind)
#3B7FDF
Deuteranopia (green-blind)
#0870D9
Tritanopia (blue-blind)
#008C9D
Achromatopsia (no color)
#777777

Design tokens & code

CSS
--color: #3674db;
/* rgb */ color: rgb(54, 116, 219);
/* oklch */ color: oklch(57.4% 0.170 260.0);
Tailwind
colors: {
  custom: {
    50: '#839be7',
    500: '#3674db',
    950: '#000000',
  },
}
SCSS
$custom: #3674db;
$custom-light: #839be7;
$custom-dark: #000000;
JSON
{
  "hex": "#3674db",
  "rgb": {
    "r": 54,
    "g": 116,
    "b": 219
  },
  "hsl": {
    "h": 217.455,
    "s": 69.62,
    "l": 53.529
  },
  "oklch": {
    "l": 0.57366,
    "c": 0.17038,
    "h": 260
  },
  "luminance": 0.1839
}

Semantic roles & 50–950 ramp

primary
#3674DB
secondary
#DABF93
accent
#AA3BEC
background
#F8F9FE
surface
#F0F2FC
border
#CBCCD5
text
#0C0E16
muted
#7D7E84

Preview Lab

Preview with #3674DB

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

Preview Lab → · Contrast checker → · Palette generator →

#3674DB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva