#3633BD#3633BD

#3633BD is a dark, highly saturated blue. Relative luminance 0.068; OKLCH L 42.8% C 0.207 H 274.2°. Best body text is #FFFFFF at 8.88:1 contrast (WCAG AA passes).

Color values

HEX#3633BD
RGBrgb(54, 51, 189)
HSLhsl(241, 58%, 47%)
HSVhsv(241, 73%, 74%)
CMYKcmyk(71.4%, 73%, 0%, 25.9%)
CIE-LABlab(31.40, 45.71, -71.35)
CIE-LCHlch(31.40, 84.74, 302.65°)
OKLaboklab(42.81% 0.0152 -0.2063)
OKLCHoklch(42.81% 0.207 274.2)
XYZxyz(11.8874, 6.8249, 48.8251)
Luminance0.0683 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3633BD #BABD33
analogous
#3375BD #3633BD #7B33BD
triadic
#3633BD #BD3633 #33BD36
tetradic
#3633BD #BD3375 #BABD33 #33BD7B
square
#3633BD #BD3375 #BABD33 #33BD7B
split-complementary
#3633BD #BD7B33 #75BD33
monochromatic
#1A195D #28268D #3633BD #5D5BD3 #8D8BE0

Accessibility & contrast

On white

8.88
#3633BD on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.37
#3633BD on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3633BD
8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3633BD#FFFFFF#000000##FFFFFF
##3633BD1.008.882.378.88
#FFFFFF8.881.0021.001.00
#0000002.3721.001.0021.00
##FFFFFF8.881.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0050C1
Deuteranopia (green-blind)
#0043BB
Tritanopia (blue-blind)
#005A75
Achromatopsia (no color)
#4A4A4A

Design tokens & code

CSS
--color: #3633bd;
/* rgb */ color: rgb(54, 51, 189);
/* oklch */ color: oklch(42.8% 0.207 274.2);
Tailwind
colors: {
  custom: {
    50: '#816cd2',
    500: '#3633bd',
    950: '#000000',
  },
}
SCSS
$custom: #3633bd;
$custom-light: #816cd2;
$custom-dark: #000000;
JSON
{
  "hex": "#3633bd",
  "rgb": {
    "r": 54,
    "g": 51,
    "b": 189
  },
  "hsl": {
    "h": 241.304,
    "s": 57.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.42812,
    "c": 0.2069,
    "h": 274.2
  },
  "luminance": 0.06826
}

Semantic roles & 50–950 ramp

primary
#3633BD
secondary
#C8CA82
accent
#E147DD
background
#F8F6FD
surface
#F0EBFA
border
#CBC6D3
text
#0C0714
muted
#7D7A83

Preview Lab

Preview with #3633BD

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

Preview Lab → · Contrast checker → · Palette generator →

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