#3667B2#3667B2

#3667B2 is a mid, vivid blue. Relative luminance 0.137; OKLCH L 51.8% C 0.130 H 258.7°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX#3667B2
RGBrgb(54, 103, 178)
HSLhsl(216, 53%, 45%)
HSVhsv(216, 70%, 70%)
CMYKcmyk(69.7%, 42.1%, 0%, 30.2%)
CIE-LABlab(43.80, 8.84, -44.76)
CIE-LCHlch(43.80, 45.63, 281.17°)
OKLaboklab(51.81% -0.0255 -0.1278)
OKLCHoklch(51.81% 0.13 258.7)
XYZxyz(14.4046, 13.6976, 43.9956)
Luminance0.1370 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3667B2 #B28136
analogous
#36A5B2 #3667B2 #4336B2
triadic
#3667B2 #B23667 #67B236
tetradic
#3667B2 #B236A5 #B28136 #36B243
square
#3667B2 #B236A5 #B28136 #36B243
split-complementary
#3667B2 #B24336 #A5B236
monochromatic
#1A3154 #284C83 #3667B2 #5986CD #88A8DB

Accessibility & contrast

On white

5.62
#3667B2 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.74
#3667B2 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3667B2
5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3667B2#FFFFFF#000000##FFFFFF
##3667B21.005.623.745.62
#FFFFFF5.621.0021.001.00
#0000003.7421.001.0021.00
##FFFFFF5.621.0021.001.00

Color blindness preview

Protanopia (red-blind)
#446EB5
Deuteranopia (green-blind)
#2F62B0
Tritanopia (blue-blind)
#007884
Achromatopsia (no color)
#676767

Design tokens & code

CSS
--color: #3667b2;
/* rgb */ color: rgb(54, 103, 178);
/* oklch */ color: oklch(51.8% 0.130 258.7);
Tailwind
colors: {
  custom: {
    50: '#7b91c9',
    500: '#3667b2',
    950: '#000000',
  },
}
SCSS
$custom: #3667b2;
$custom-light: #7b91c9;
$custom-dark: #000000;
JSON
{
  "hex": "#3667b2",
  "rgb": {
    "r": 54,
    "g": 103,
    "b": 178
  },
  "hsl": {
    "h": 216.29,
    "s": 53.448,
    "l": 45.49
  },
  "oklch": {
    "l": 0.51806,
    "c": 0.1303,
    "h": 258.7
  },
  "luminance": 0.13699
}

Semantic roles & 50–950 ramp

primary
#3667B2
secondary
#C5A97F
accent
#A34BDD
background
#F8F8FC
surface
#EFF0F8
border
#CACBD1
text
#0B0C13
muted
#7C7D82

Preview Lab

Preview with #3667B2

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

Preview Lab → · Contrast checker → · Palette generator →

#3667B2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva