#3669C5#3669C5

#3669C5 is a mid, vivid blue. Relative luminance 0.149; OKLCH L 53.5% C 0.154 H 261.1°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX#3669C5
RGBrgb(54, 105, 197)
HSLhsl(219, 57%, 49%)
HSVhsv(219, 73%, 77%)
CMYKcmyk(72.6%, 46.7%, 0%, 22.7%)
CIE-LABlab(45.52, 14.58, -53.03)
CIE-LCHlch(45.52, 55.00, 285.37°)
OKLaboklab(53.51% -0.0238 -0.1521)
OKLCHoklch(53.51% 0.154 261.1)
XYZxyz(16.6473, 14.9168, 54.8144)
Luminance0.1492 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3669C5 #C59236
analogous
#36B1C5 #3669C5 #4A36C5
triadic
#3669C5 #C53669 #69C536
tetradic
#3669C5 #C536B1 #C59236 #36C54A
square
#3669C5 #C536B1 #C59236 #36C54A
split-complementary
#3669C5 #C54A36 #B1C536
monochromatic
#1C3665 #294F95 #3669C5 #648CD4 #94B0E2

Accessibility & contrast

On white

5.27
#3669C5 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.98
#3669C5 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3669C5
5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3669C5#FFFFFF#000000##FFFFFF
##3669C51.005.273.985.27
#FFFFFF5.271.0021.001.00
#0000003.9821.001.0021.00
##FFFFFF5.271.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3873C8
Deuteranopia (green-blind)
#1666C3
Tritanopia (blue-blind)
#007F8D
Achromatopsia (no color)
#6C6C6C

Design tokens & code

CSS
--color: #3669c5;
/* rgb */ color: rgb(54, 105, 197);
/* oklch */ color: oklch(53.5% 0.154 261.1);
Tailwind
colors: {
  custom: {
    50: '#7f93d7',
    500: '#3669c5',
    950: '#000000',
  },
}
SCSS
$custom: #3669c5;
$custom-light: #7f93d7;
$custom-dark: #000000;
JSON
{
  "hex": "#3669c5",
  "rgb": {
    "r": 54,
    "g": 105,
    "b": 197
  },
  "hsl": {
    "h": 218.601,
    "s": 56.972,
    "l": 49.216
  },
  "oklch": {
    "l": 0.53508,
    "c": 0.15391,
    "h": 261.1
  },
  "luminance": 0.14919
}

Semantic roles & 50–950 ramp

primary
#3669C5
secondary
#CDB58A
accent
#AA48E0
background
#F8F8FD
surface
#F0F0FA
border
#CBCBD3
text
#0B0D14
muted
#7C7D83

Preview Lab

Preview with #3669C5

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

Preview Lab → · Contrast checker → · Palette generator →

#3669C5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva