#3679DB#3679DB

#3679DB is a mid, vivid blue. Relative luminance 0.196; OKLCH L 58.4% C 0.165 H 258.2°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX#3679DB
RGBrgb(54, 121, 219)
HSLhsl(216, 70%, 54%)
HSVhsv(216, 75%, 86%)
CMYKcmyk(75.3%, 44.7%, 0%, 14.1%)
CIE-LABlab(51.35, 12.65, -56.22)
CIE-LCHlch(51.35, 57.63, 282.68°)
OKLaboklab(58.43% -0.0336 -0.1612)
OKLCHoklch(58.43% 0.165 258.2)
XYZxyz(21.1402, 19.5711, 69.6675)
Luminance0.1957 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3679DB #DB9836
analogous
#36CCDB #3679DB #4536DB
triadic
#3679DB #DB3679 #79DB36
tetradic
#3679DB #DB36CC #DB9836 #36DB45
square
#3679DB #DB36CC #DB9836 #36DB45
split-complementary
#3679DB #DB4536 #CCDB36
monochromatic
#174180 #205CB4 #3679DB #6A9CE4 #9EBEEE

Accessibility & contrast

On white

4.27
#3679DB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.91
#3679DB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3679DB
4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3679DB#FFFFFF#000000##000000
##3679DB1.004.274.914.91
#FFFFFF4.271.0021.0021.00
#0000004.9121.001.001.00
##0000004.9121.001.001.00

Color blindness preview

Protanopia (red-blind)
#4682DF
Deuteranopia (green-blind)
#2373D9
Tritanopia (blue-blind)
#00909F
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #3679db;
/* rgb */ color: rgb(54, 121, 219);
/* oklch */ color: oklch(58.4% 0.165 258.2);
Tailwind
colors: {
  custom: {
    50: '#839fe7',
    500: '#3679db',
    950: '#000000',
  },
}
SCSS
$custom: #3679db;
$custom-light: #839fe7;
$custom-dark: #000000;
JSON
{
  "hex": "#3679db",
  "rgb": {
    "r": 54,
    "g": 121,
    "b": 219
  },
  "hsl": {
    "h": 215.636,
    "s": 69.62,
    "l": 53.529
  },
  "oklch": {
    "l": 0.58434,
    "c": 0.16463,
    "h": 258.2
  },
  "luminance": 0.19573
}

Semantic roles & 50–950 ramp

primary
#3679DB
secondary
#DABD93
accent
#A53BEC
background
#F8F9FE
surface
#F0F2FC
border
#CBCCD5
text
#0C0E16
muted
#7D7E84

Preview Lab

Preview with #3679DB

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

Preview Lab → · Contrast checker → · Palette generator →

#3679DB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva