#3726B4#3726B4

#3726B4 is a dark, highly saturated blue. Relative luminance 0.055; OKLCH L 40.2% C 0.208 H 276.9°. Best body text is #FFFFFF at 10.01:1 contrast (WCAG AA passes).

Color values

HEX#3726B4
RGBrgb(55, 38, 180)
HSLhsl(247, 65%, 43%)
HSVhsv(247, 79%, 71%)
CMYKcmyk(69.4%, 78.9%, 0%, 29.4%)
CIE-LABlab(28.09, 49.88, -71.48)
CIE-LCHlch(28.09, 87.16, 304.91°)
OKLaboklab(40.22% 0.0249 -0.2066)
OKLCHoklch(40.22% 0.208 276.9)
XYZxyz(10.5042, 5.4928, 43.6778)
Luminance0.0549 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3726B4 #A3B426
analogous
#265CB4 #3726B4 #7E26B4
triadic
#3726B4 #B43726 #26B437
tetradic
#3726B4 #B4265C #A3B426 #26B47E
square
#3726B4 #B4265C #A3B426 #26B47E
split-complementary
#3726B4 #B47E26 #5CB426
monochromatic
#18114F #281B81 #3726B4 #5240D7 #8073E1

Accessibility & contrast

On white

10.01
#3726B4 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.10
#3726B4 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3726B4
10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3726B4#FFFFFF#000000##FFFFFF
##3726B41.0010.012.1010.01
#FFFFFF10.011.0021.001.00
#0000002.1021.001.0021.00
##FFFFFF10.011.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0048B8
Deuteranopia (green-blind)
#003CB2
Tritanopia (blue-blind)
#00516D
Achromatopsia (no color)
#424242

Design tokens & code

CSS
--color: #3726b4;
/* rgb */ color: rgb(55, 38, 180);
/* oklch */ color: oklch(40.2% 0.208 276.9);
Tailwind
colors: {
  custom: {
    50: '#8164cc',
    500: '#3726b4',
    950: '#000000',
  },
}
SCSS
$custom: #3726b4;
$custom-light: #8164cc;
$custom-dark: #000000;
JSON
{
  "hex": "#3726b4",
  "rgb": {
    "r": 55,
    "g": 38,
    "b": 180
  },
  "hsl": {
    "h": 247.183,
    "s": 65.138,
    "l": 42.745
  },
  "oklch": {
    "l": 0.40217,
    "c": 0.20807,
    "h": 276.9
  },
  "luminance": 0.05494
}

Semantic roles & 50–950 ramp

primary
#3726B4
secondary
#BEC96D
accent
#E840D4
background
#F8F6FC
surface
#F0EBF9
border
#CBC6D2
text
#0C0614
muted
#7D7A82

Preview Lab

Preview with #3726B4

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

Preview Lab → · Contrast checker → · Palette generator →

#3726B4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva