#3736D9#3736D9

#3736D9 is a mid, highly saturated blue. Relative luminance 0.085; OKLCH L 46.2% C 0.237 H 272.4°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).

Color values

HEX#3736D9
RGBrgb(55, 54, 217)
HSLhsl(240, 68%, 53%)
HSVhsv(240, 75%, 85%)
CMYKcmyk(74.7%, 75.1%, 0%, 14.9%)
CIE-LABlab(34.92, 53.19, -81.85)
CIE-LCHlch(34.92, 97.61, 303.01°)
OKLaboklab(46.17% 0.0099 -0.2369)
OKLCHoklch(46.17% 0.237 272.4)
XYZxyz(15.4149, 8.4587, 66.4525)
Luminance0.0846 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3736D9 #D8D936
analogous
#3686D9 #3736D9 #8836D9
triadic
#3736D9 #D93736 #36D937
tetradic
#3736D9 #D93686 #D8D936 #36D988
square
#3736D9 #D93686 #D8D936 #36D988
split-complementary
#3736D9 #D98836 #86D936
monochromatic
#18187D #2221B0 #3736D9 #6A69E3 #9D9DEC

Accessibility & contrast

On white

7.80
#3736D9 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.69
#3736D9 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3736D9
7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3736D9#FFFFFF#000000##FFFFFF
##3736D91.007.802.697.80
#FFFFFF7.801.0021.001.00
#0000002.6921.001.0021.00
##FFFFFF7.801.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005ADE
Deuteranopia (green-blind)
#004AD6
Tritanopia (blue-blind)
#006686
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #3736d9;
/* rgb */ color: rgb(55, 54, 217);
/* oklch */ color: oklch(46.2% 0.237 272.4);
Tailwind
colors: {
  custom: {
    50: '#8770e6',
    500: '#3736d9',
    950: '#000000',
  },
}
SCSS
$custom: #3736d9;
$custom-light: #8770e6;
$custom-dark: #000000;
JSON
{
  "hex": "#3736d9",
  "rgb": {
    "r": 55,
    "g": 54,
    "b": 217
  },
  "hsl": {
    "h": 240.368,
    "s": 68.201,
    "l": 53.137
  },
  "oklch": {
    "l": 0.46173,
    "c": 0.23712,
    "h": 272.4
  },
  "luminance": 0.0846
}

Semantic roles & 50–950 ramp

primary
#3736D9
secondary
#D8D992
accent
#EB3DEA
background
#F9F6FE
surface
#F2ECFD
border
#CCC7D5
text
#0D0816
muted
#7E7B84

Preview Lab

Preview with #3736D9

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

Preview Lab → · Contrast checker → · Palette generator →

#3736D9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva