#3655B7#3655B7

#3655B7 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.3% C 0.159 H 267.0°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX#3655B7
RGBrgb(54, 85, 183)
HSLhsl(226, 54%, 46%)
HSVhsv(226, 70%, 72%)
CMYKcmyk(70.5%, 53.6%, 0%, 28.2%)
CIE-LABlab(39.07, 22.31, -55.29)
CIE-LCHlch(39.07, 59.62, 291.97°)
OKLaboklab(48.29% -0.0083 -0.159)
OKLCHoklch(48.29% 0.159 267)
XYZxyz(13.3141, 10.6988, 46.1540)
Luminance0.1070 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3655B7 #B79836
analogous
#3696B7 #3655B7 #5836B7
triadic
#3655B7 #B73655 #55B736
tetradic
#3655B7 #B73696 #B79836 #36B758
square
#3655B7 #B73696 #B79836 #36B758
split-complementary
#3655B7 #B75836 #96B736
monochromatic
#1A2958 #283F88 #3655B7 #5B77CF #8B9EDD

Accessibility & contrast

On white

6.69
#3655B7 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.14
#3655B7 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3655B7
6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3655B7#FFFFFF#000000##FFFFFF
##3655B71.006.693.146.69
#FFFFFF6.691.0021.001.00
#0000003.1421.001.0021.00
##FFFFFF6.691.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0E62BA
Deuteranopia (green-blind)
#0056B5
Tritanopia (blue-blind)
#006D7E
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #3655b7;
/* rgb */ color: rgb(54, 85, 183);
/* oklch */ color: oklch(48.3% 0.159 267.0);
Tailwind
colors: {
  custom: {
    50: '#7d84cd',
    500: '#3655b7',
    950: '#000000',
  },
}
SCSS
$custom: #3655b7;
$custom-light: #7d84cd;
$custom-dark: #000000;
JSON
{
  "hex": "#3655b7",
  "rgb": {
    "r": 54,
    "g": 85,
    "b": 183
  },
  "hsl": {
    "h": 225.581,
    "s": 54.43,
    "l": 46.471
  },
  "oklch": {
    "l": 0.4829,
    "c": 0.15927,
    "h": 267
  },
  "luminance": 0.107
}

Semantic roles & 50–950 ramp

primary
#3655B7
secondary
#C7B682
accent
#BA4ADE
background
#F8F8FC
surface
#EFEFF9
border
#CACAD2
text
#0B0A14
muted
#7C7C82

Preview Lab

Preview with #3655B7

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

Preview Lab → · Contrast checker → · Palette generator →

#3655B7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva