#3634D1#3634D1

#3634D1 is a mid, highly saturated blue. Relative luminance 0.078; OKLCH L 45.0% C 0.230 H 272.8°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX#3634D1
RGBrgb(54, 52, 209)
HSLhsl(241, 63%, 51%)
HSVhsv(241, 75%, 82%)
CMYKcmyk(74.2%, 75.1%, 0%, 18%)
CIE-LABlab(33.65, 51.63, -79.33)
CIE-LCHlch(33.65, 94.65, 303.06°)
OKLaboklab(45.02% 0.0111 -0.2296)
OKLCHoklch(45.02% 0.23 272.8)
XYZxyz(14.2541, 7.8422, 61.0717)
Luminance0.0784 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3634D1 #CFD134
analogous
#3480D1 #3634D1 #8434D1
triadic
#3634D1 #D13634 #34D136
tetradic
#3634D1 #D13480 #CFD134 #34D184
square
#3634D1 #D13480 #CFD134 #34D184
split-complementary
#3634D1 #D18434 #80D134
monochromatic
#1B1A71 #2725A3 #3634D1 #6766DC #9998E8

Accessibility & contrast

On white

8.18
#3634D1 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.57
#3634D1 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3634D1
8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3634D1#FFFFFF#000000##FFFFFF
##3634D11.008.182.578.18
#FFFFFF8.181.0021.001.00
#0000002.5721.001.0021.00
##FFFFFF8.181.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0057D6
Deuteranopia (green-blind)
#0047CE
Tritanopia (blue-blind)
#006280
Achromatopsia (no color)
#4F4F4F

Design tokens & code

CSS
--color: #3634d1;
/* rgb */ color: rgb(54, 52, 209);
/* oklch */ color: oklch(45.0% 0.230 272.8);
Tailwind
colors: {
  custom: {
    50: '#856ee1',
    500: '#3634d1',
    950: '#000000',
  },
}
SCSS
$custom: #3634d1;
$custom-light: #856ee1;
$custom-dark: #000000;
JSON
{
  "hex": "#3634d1",
  "rgb": {
    "r": 54,
    "g": 52,
    "b": 209
  },
  "hsl": {
    "h": 240.764,
    "s": 63.052,
    "l": 51.176
  },
  "oklch": {
    "l": 0.45015,
    "c": 0.22985,
    "h": 272.8
  },
  "luminance": 0.07844
}

Semantic roles & 50–950 ramp

primary
#3634D1
secondary
#D2D38E
accent
#E642E4
background
#F9F6FE
surface
#F1ECFC
border
#CBC7D5
text
#0D0715
muted
#7E7A84

Preview Lab

Preview with #3634D1

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

Preview Lab → · Contrast checker → · Palette generator →

#3634D1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva