#3633C5#3633C5

#3633C5 is a dark, highly saturated blue. Relative luminance 0.072; OKLCH L 43.6% C 0.217 H 273.6°. Best body text is #FFFFFF at 8.62:1 contrast (WCAG AA passes).

Color values

HEX#3633C5
RGBrgb(54, 51, 197)
HSLhsl(241, 59%, 49%)
HSVhsv(241, 74%, 77%)
CMYKcmyk(72.6%, 74.1%, 0%, 22.7%)
CIE-LABlab(32.22, 48.32, -74.71)
CIE-LCHlch(32.22, 88.97, 302.89°)
OKLaboklab(43.63% 0.0138 -0.2161)
OKLCHoklch(43.63% 0.217 273.6)
XYZxyz(12.7798, 7.1819, 53.5252)
Luminance0.0718 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3633C5 #C2C533
analogous
#3379C5 #3633C5 #7F33C5
triadic
#3633C5 #C53633 #33C536
tetradic
#3633C5 #C53379 #C2C533 #33C57F
square
#3633C5 #C53379 #C2C533 #33C57F
split-complementary
#3633C5 #C57F33 #79C533
monochromatic
#1B1A64 #292694 #3633C5 #625FD6 #9290E2

Accessibility & contrast

On white

8.62
#3633C5 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.44
#3633C5 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3633C5
8.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3633C5#FFFFFF#000000##FFFFFF
##3633C51.008.622.448.62
#FFFFFF8.621.0021.001.00
#0000002.4421.001.0021.00
##FFFFFF8.621.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0053C9
Deuteranopia (green-blind)
#0045C2
Tritanopia (blue-blind)
#005D79
Achromatopsia (no color)
#4C4C4C

Design tokens & code

CSS
--color: #3633c5;
/* rgb */ color: rgb(54, 51, 197);
/* oklch */ color: oklch(43.6% 0.217 273.6);
Tailwind
colors: {
  custom: {
    50: '#836dd8',
    500: '#3633c5',
    950: '#000000',
  },
}
SCSS
$custom: #3633c5;
$custom-light: #836dd8;
$custom-dark: #000000;
JSON
{
  "hex": "#3633c5",
  "rgb": {
    "r": 54,
    "g": 51,
    "b": 197
  },
  "hsl": {
    "h": 241.233,
    "s": 58.871,
    "l": 48.627
  },
  "oklch": {
    "l": 0.43631,
    "c": 0.21657,
    "h": 273.6
  },
  "luminance": 0.07183
}

Semantic roles & 50–950 ramp

primary
#3633C5
secondary
#CCCD87
accent
#E246DF
background
#F8F6FD
surface
#F0ECFB
border
#CBC7D4
text
#0C0715
muted
#7D7A83

Preview Lab

Preview with #3633C5

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

Preview Lab → · Contrast checker → · Palette generator →

#3633C5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva