#3736CB#3736CB

#3736CB is a dark, highly saturated blue. Relative luminance 0.078; OKLCH L 44.7% C 0.221 H 273.2°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX#3736CB
RGBrgb(55, 54, 203)
HSLhsl(240, 59%, 50%)
HSVhsv(240, 73%, 80%)
CMYKcmyk(72.9%, 73.4%, 0%, 20.4%)
CIE-LABlab(33.48, 48.69, -76.13)
CIE-LCHlch(33.48, 90.37, 302.60°)
OKLaboklab(44.73% 0.0124 -0.2203)
OKLCHoklch(44.73% 0.221 273.2)
XYZxyz(13.6706, 7.7610, 57.2659)
Luminance0.0776 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3736CB #CACB36
analogous
#367FCB #3736CB #8236CB
triadic
#3736CB #CB3736 #36CB37
tetradic
#3736CB #CB367F #CACB36 #36CB82
square
#3736CB #CB367F #CACB36 #36CB82
split-complementary
#3736CB #CB8236 #7FCB36
monochromatic
#1C1C6B #29289C #3736CB #6767D8 #9897E4

Accessibility & contrast

On white

8.23
#3736CB on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.55
#3736CB on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3736CB
8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3736CB#FFFFFF#000000##FFFFFF
##3736CB1.008.232.558.23
#FFFFFF8.231.0021.001.00
#0000002.5521.001.0021.00
##FFFFFF8.231.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0056CF
Deuteranopia (green-blind)
#0047C8
Tritanopia (blue-blind)
#00617E
Achromatopsia (no color)
#4F4F4F

Design tokens & code

CSS
--color: #3736cb;
/* rgb */ color: rgb(55, 54, 203);
/* oklch */ color: oklch(44.7% 0.221 273.2);
Tailwind
colors: {
  custom: {
    50: '#846fdc',
    500: '#3736cb',
    950: '#000000',
  },
}
SCSS
$custom: #3736cb;
$custom-light: #846fdc;
$custom-dark: #000000;
JSON
{
  "hex": "#3736cb",
  "rgb": {
    "r": 55,
    "g": 54,
    "b": 203
  },
  "hsl": {
    "h": 240.403,
    "s": 58.893,
    "l": 50.392
  },
  "oklch": {
    "l": 0.44726,
    "c": 0.22061,
    "h": 273.2
  },
  "luminance": 0.07762
}

Semantic roles & 50–950 ramp

primary
#3736CB
secondary
#CFD08D
accent
#E246E1
background
#F9F6FD
surface
#F1ECFB
border
#CBC7D4
text
#0D0715
muted
#7E7A83

Preview Lab

Preview with #3736CB

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

Preview Lab → · Contrast checker → · Palette generator →

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