#3722B1#3722B1

#3722B1 is a dark, highly saturated blue. Relative luminance 0.051; OKLCH L 39.4% C 0.208 H 277.6°. Best body text is #FFFFFF at 10.36:1 contrast (WCAG AA passes).

Color values

HEX#3722B1
RGBrgb(55, 34, 177)
HSLhsl(249, 68%, 41%)
HSVhsv(249, 81%, 69%)
CMYKcmyk(68.9%, 80.8%, 0%, 30.6%)
CIE-LABlab(27.10, 50.90, -71.33)
CIE-LCHlch(27.10, 87.62, 305.51°)
OKLaboklab(39.43% 0.0276 -0.2061)
OKLCHoklch(39.43% 0.208 277.6)
XYZxyz(10.0808, 5.1297, 42.0453)
Luminance0.0513 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3722B1 #9CB122
analogous
#2255B1 #3722B1 #7F22B1
triadic
#3722B1 #B13722 #22B137
tetradic
#3722B1 #B12255 #9CB122 #22B17F
square
#3722B1 #B12255 #9CB122 #22B17F
split-complementary
#3722B1 #B17F22 #55B122
monochromatic
#170E4A #27187E #3722B1 #4F38D9 #7C6BE3

Accessibility & contrast

On white

10.36
#3722B1 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.03
#3722B1 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3722B1
10.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3722B1#FFFFFF#000000##FFFFFF
##3722B11.0010.362.0310.36
#FFFFFF10.361.0021.001.00
#0000002.0321.001.0021.00
##FFFFFF10.361.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0046B5
Deuteranopia (green-blind)
#003AAF
Tritanopia (blue-blind)
#004E6A
Achromatopsia (no color)
#404040

Design tokens & code

CSS
--color: #3722b1;
/* rgb */ color: rgb(55, 34, 177);
/* oklch */ color: oklch(39.4% 0.208 277.6);
Tailwind
colors: {
  custom: {
    50: '#8062ca',
    500: '#3722b1',
    950: '#000000',
  },
}
SCSS
$custom: #3722b1;
$custom-light: #8062ca;
$custom-dark: #000000;
JSON
{
  "hex": "#3722b1",
  "rgb": {
    "r": 55,
    "g": 34,
    "b": 177
  },
  "hsl": {
    "h": 248.811,
    "s": 67.773,
    "l": 41.373
  },
  "oklch": {
    "l": 0.39429,
    "c": 0.20792,
    "h": 277.6
  },
  "luminance": 0.05131
}

Semantic roles & 50–950 ramp

primary
#3722B1
secondary
#BAC966
accent
#EB3DD1
background
#F8F6FC
surface
#F0EBF9
border
#CBC6D2
text
#0C0513
muted
#7D7A82

Preview Lab

Preview with #3722B1

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

Preview Lab → · Contrast checker → · Palette generator →

#3722B1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva