#3655BA#3655BA

#3655BA is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.5% C 0.163 H 267.2°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX#3655BA
RGBrgb(54, 85, 186)
HSLhsl(226, 55%, 47%)
HSVhsv(226, 71%, 73%)
CMYKcmyk(71%, 54.3%, 0%, 27.1%)
CIE-LABlab(39.28, 23.42, -56.70)
CIE-LCHlch(39.28, 61.35, 292.44°)
OKLaboklab(48.52% -0.0081 -0.1632)
OKLCHoklch(48.52% 0.163 267.2)
XYZxyz(13.6297, 10.8250, 47.8160)
Luminance0.1083 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3655BA #BA9B36
analogous
#3697BA #3655BA #5936BA
triadic
#3655BA #BA3655 #55BA36
tetradic
#3655BA #BA3697 #BA9B36 #36BA59
square
#3655BA #BA3697 #BA9B36 #36BA59
split-complementary
#3655BA #BA5936 #97BA36
monochromatic
#1A2A5B #283F8B #3655BA #5D78D0 #8DA0DE

Accessibility & contrast

On white

6.63
#3655BA on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.17
#3655BA on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3655BA
6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3655BA#FFFFFF#000000##FFFFFF
##3655BA1.006.633.176.63
#FFFFFF6.631.0021.001.00
#0000003.1721.001.0021.00
##FFFFFF6.631.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0263BE
Deuteranopia (green-blind)
#0057B8
Tritanopia (blue-blind)
#006D7F
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #3655ba;
/* rgb */ color: rgb(54, 85, 186);
/* oklch */ color: oklch(48.5% 0.163 267.2);
Tailwind
colors: {
  custom: {
    50: '#7e84cf',
    500: '#3655ba',
    950: '#000000',
  },
}
SCSS
$custom: #3655ba;
$custom-light: #7e84cf;
$custom-dark: #000000;
JSON
{
  "hex": "#3655ba",
  "rgb": {
    "r": 54,
    "g": 85,
    "b": 186
  },
  "hsl": {
    "h": 225.909,
    "s": 55,
    "l": 47.059
  },
  "oklch": {
    "l": 0.48522,
    "c": 0.1634,
    "h": 267.2
  },
  "luminance": 0.10826
}

Semantic roles & 50–950 ramp

primary
#3655BA
secondary
#C8B884
accent
#BB49DE
background
#F8F8FC
surface
#EFEFF9
border
#CACAD2
text
#0B0A14
muted
#7C7C82

Preview Lab

Preview with #3655BA

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

Preview Lab → · Contrast checker → · Palette generator →

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