#3725B3#3725B3

#3725B3 is a dark, highly saturated blue. Relative luminance 0.054; OKLCH L 40.0% C 0.208 H 277.1°. Best body text is #FFFFFF at 10.11:1 contrast (WCAG AA passes).

Color values

HEX#3725B3
RGBrgb(55, 37, 179)
HSLhsl(248, 66%, 42%)
HSVhsv(248, 79%, 70%)
CMYKcmyk(69.3%, 79.3%, 0%, 29.8%)
CIE-LABlab(27.82, 50.07, -71.34)
CIE-LCHlch(27.82, 87.16, 305.06°)
OKLaboklab(39.99% 0.0257 -0.2062)
OKLCHoklch(39.99% 0.208 277.1)
XYZxyz(10.3712, 5.3891, 43.1327)
Luminance0.0539 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3725B3 #A1B325
analogous
#255AB3 #3725B3 #7E25B3
triadic
#3725B3 #B33725 #25B337
tetradic
#3725B3 #B3255A #A1B325 #25B37E
square
#3725B3 #B3255A #A1B325 #25B37E
split-complementary
#3725B3 #B37E25 #5AB325
monochromatic
#18104E #271B80 #3725B3 #513ED7 #7F71E2

Accessibility & contrast

On white

10.11
#3725B3 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.08
#3725B3 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3725B3
10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3725B3#FFFFFF#000000##FFFFFF
##3725B31.0010.112.0810.11
#FFFFFF10.111.0021.001.00
#0000002.0821.001.0021.00
##FFFFFF10.111.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0047B7
Deuteranopia (green-blind)
#003CB1
Tritanopia (blue-blind)
#00506C
Achromatopsia (no color)
#424242

Design tokens & code

CSS
--color: #3725b3;
/* rgb */ color: rgb(55, 37, 179);
/* oklch */ color: oklch(40.0% 0.208 277.1);
Tailwind
colors: {
  custom: {
    50: '#8064cb',
    500: '#3725b3',
    950: '#000000',
  },
}
SCSS
$custom: #3725b3;
$custom-light: #8064cb;
$custom-dark: #000000;
JSON
{
  "hex": "#3725b3",
  "rgb": {
    "r": 55,
    "g": 37,
    "b": 179
  },
  "hsl": {
    "h": 247.606,
    "s": 65.741,
    "l": 42.353
  },
  "oklch": {
    "l": 0.3999,
    "c": 0.20775,
    "h": 277.1
  },
  "luminance": 0.0539
}

Semantic roles & 50–950 ramp

primary
#3725B3
secondary
#BDC86B
accent
#E93FD3
background
#F8F6FC
surface
#F0EBF9
border
#CBC6D2
text
#0C0613
muted
#7D7A82

Preview Lab

Preview with #3725B3

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

Preview Lab → · Contrast checker → · Palette generator →

#3725B3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva