#3555A5#3555A5

#3555A5 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 46.9% C 0.134 H 265.2°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX#3555A5
RGBrgb(53, 85, 165)
HSLhsl(223, 51%, 43%)
HSVhsv(223, 68%, 65%)
CMYKcmyk(67.9%, 48.5%, 0%, 35.3%)
CIE-LABlab(37.79, 15.50, -46.71)
CIE-LCHlch(37.79, 49.22, 288.36°)
OKLaboklab(46.91% -0.0112 -0.1338)
OKLCHoklch(46.91% 0.134 265.2)
XYZxyz(11.5059, 9.9694, 36.9079)
Luminance0.0997 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3555A5 #A58535
analogous
#358DA5 #3555A5 #4D35A5
triadic
#3555A5 #A53555 #55A535
tetradic
#3555A5 #A5358D #A58535 #35A54D
square
#3555A5 #A5358D #A58535 #35A54D
split-complementary
#3555A5 #A54D35 #8DA535
monochromatic
#172548 #263D77 #3555A5 #5072C7 #7F98D6

Accessibility & contrast

On white

7.01
#3555A5 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.99
#3555A5 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3555A5
7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3555A5#FFFFFF#000000##FFFFFF
##3555A51.007.012.997.01
#FFFFFF7.011.0021.001.00
#0000002.9921.001.0021.00
##FFFFFF7.011.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2B5EA8
Deuteranopia (green-blind)
#1154A3
Tritanopia (blue-blind)
#006875
Achromatopsia (no color)
#595959

Design tokens & code

CSS
--color: #3555a5;
/* rgb */ color: rgb(53, 85, 165);
/* oklch */ color: oklch(46.9% 0.134 265.2);
Tailwind
colors: {
  custom: {
    50: '#7984c0',
    500: '#3555a5',
    950: '#000000',
  },
}
SCSS
$custom: #3555a5;
$custom-light: #7984c0;
$custom-dark: #000000;
JSON
{
  "hex": "#3555a5",
  "rgb": {
    "r": 53,
    "g": 85,
    "b": 165
  },
  "hsl": {
    "h": 222.857,
    "s": 51.376,
    "l": 42.745
  },
  "oklch": {
    "l": 0.46911,
    "c": 0.13429,
    "h": 265.2
  },
  "luminance": 0.0997
}

Semantic roles & 50–950 ramp

primary
#3555A5
secondary
#BFAA77
accent
#B24DDB
background
#F7F8FB
surface
#EEEFF7
border
#C9CAD0
text
#0A0A12
muted
#7C7C81

Preview Lab

Preview with #3555A5

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

Preview Lab → · Contrast checker → · Palette generator →

#3555A5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva