#3631C4#3631C4

#3631C4 is a dark, highly saturated blue. Relative luminance 0.070; OKLCH L 43.3% C 0.217 H 273.9°. Best body text is #FFFFFF at 8.77:1 contrast (WCAG AA passes).

Color values

HEX#3631C4
RGBrgb(54, 49, 196)
HSLhsl(242, 60%, 48%)
HSVhsv(242, 75%, 77%)
CMYKcmyk(72.4%, 75%, 0%, 23.1%)
CIE-LABlab(31.73, 49.09, -74.93)
CIE-LCHlch(31.73, 89.58, 303.23°)
OKLaboklab(43.25% 0.0149 -0.2168)
OKLCHoklch(43.25% 0.217 273.9)
XYZxyz(12.5801, 6.9652, 52.8953)
Luminance0.0697 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3631C4 #BFC431
analogous
#3175C4 #3631C4 #7F31C4
triadic
#3631C4 #C43631 #31C436
tetradic
#3631C4 #C43175 #BFC431 #31C47F
square
#3631C4 #C43175 #BFC431 #31C47F
split-complementary
#3631C4 #C47F31 #75C431
monochromatic
#1B1962 #292593 #3631C4 #605CD6 #908DE2

Accessibility & contrast

On white

8.77
#3631C4 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.39
#3631C4 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3631C4
8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3631C4#FFFFFF#000000##FFFFFF
##3631C41.008.772.398.77
#FFFFFF8.771.0021.001.00
#0000002.3921.001.0021.00
##FFFFFF8.771.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0051C8
Deuteranopia (green-blind)
#0044C1
Tritanopia (blue-blind)
#005C78
Achromatopsia (no color)
#4B4B4B

Design tokens & code

CSS
--color: #3631c4;
/* rgb */ color: rgb(54, 49, 196);
/* oklch */ color: oklch(43.3% 0.217 273.9);
Tailwind
colors: {
  custom: {
    50: '#836bd7',
    500: '#3631c4',
    950: '#000000',
  },
}
SCSS
$custom: #3631c4;
$custom-light: #836bd7;
$custom-dark: #000000;
JSON
{
  "hex": "#3631c4",
  "rgb": {
    "r": 54,
    "g": 49,
    "b": 196
  },
  "hsl": {
    "h": 242.041,
    "s": 60,
    "l": 48.039
  },
  "oklch": {
    "l": 0.43254,
    "c": 0.21728,
    "h": 273.9
  },
  "luminance": 0.06966
}

Semantic roles & 50–950 ramp

primary
#3631C4
secondary
#CACD84
accent
#E345DE
background
#F8F6FD
surface
#F0EBFA
border
#CBC6D3
text
#0C0715
muted
#7D7A83

Preview Lab

Preview with #3631C4

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

Preview Lab → · Contrast checker → · Palette generator →

#3631C4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva