#3633C1#3633C1

#3633C1 is a dark, highly saturated blue. Relative luminance 0.070; OKLCH L 43.2% C 0.212 H 273.9°. Best body text is #FFFFFF at 8.75:1 contrast (WCAG AA passes).

Color values

HEX#3633C1
RGBrgb(54, 51, 193)
HSLhsl(241, 58%, 48%)
HSVhsv(241, 74%, 76%)
CMYKcmyk(72%, 73.6%, 0%, 24.3%)
CIE-LABlab(31.81, 47.02, -73.04)
CIE-LCHlch(31.81, 86.86, 302.77°)
OKLaboklab(43.22% 0.0145 -0.2113)
OKLCHoklch(43.22% 0.212 273.9)
XYZxyz(12.3276, 7.0010, 51.1434)
Luminance0.0700 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3633C1 #BEC133
analogous
#3377C1 #3633C1 #7D33C1
triadic
#3633C1 #C13633 #33C136
tetradic
#3633C1 #C13377 #BEC133 #33C17D
square
#3633C1 #C13377 #BEC133 #33C17D
split-complementary
#3633C1 #C17D33 #77C133
monochromatic
#1B1960 #282691 #3633C1 #605DD4 #8F8DE1

Accessibility & contrast

On white

8.75
#3633C1 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.40
#3633C1 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3633C1
8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3633C1#FFFFFF#000000##FFFFFF
##3633C11.008.752.408.75
#FFFFFF8.751.0021.001.00
#0000002.4021.001.0021.00
##FFFFFF8.751.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0051C5
Deuteranopia (green-blind)
#0044BE
Tritanopia (blue-blind)
#005C77
Achromatopsia (no color)
#4B4B4B

Design tokens & code

CSS
--color: #3633c1;
/* rgb */ color: rgb(54, 51, 193);
/* oklch */ color: oklch(43.2% 0.212 273.9);
Tailwind
colors: {
  custom: {
    50: '#826dd5',
    500: '#3633c1',
    950: '#000000',
  },
}
SCSS
$custom: #3633c1;
$custom-light: #826dd5;
$custom-dark: #000000;
JSON
{
  "hex": "#3633c1",
  "rgb": {
    "r": 54,
    "g": 51,
    "b": 193
  },
  "hsl": {
    "h": 241.268,
    "s": 58.197,
    "l": 47.843
  },
  "oklch": {
    "l": 0.4322,
    "c": 0.21176,
    "h": 273.9
  },
  "luminance": 0.07002
}

Semantic roles & 50–950 ramp

primary
#3633C1
secondary
#CACB84
accent
#E146DE
background
#F8F6FD
surface
#F0EBFA
border
#CBC6D3
text
#0C0714
muted
#7D7A83

Preview Lab

Preview with #3633C1

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

Preview Lab → · Contrast checker → · Palette generator →

#3633C1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva