#3723AD#3723AD

#3723AD is a dark, highly saturated blue. Relative luminance 0.050; OKLCH L 39.1% C 0.202 H 278.0°. Best body text is #FFFFFF at 10.47:1 contrast (WCAG AA passes).

Color values

HEX#3723AD
RGBrgb(55, 35, 173)
HSLhsl(249, 66%, 41%)
HSVhsv(249, 80%, 68%)
CMYKcmyk(68.2%, 79.8%, 0%, 32.2%)
CIE-LABlab(26.82, 49.22, -69.39)
CIE-LCHlch(26.82, 85.07, 305.35°)
OKLaboklab(39.11% 0.0283 -0.2005)
OKLCHoklch(39.11% 0.202 278)
XYZxyz(9.7170, 5.0306, 39.9860)
Luminance0.0503 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3723AD #99AD23
analogous
#2354AD #3723AD #7C23AD
triadic
#3723AD #AD3723 #23AD37
tetradic
#3723AD #AD2354 #99AD23 #23AD7C
square
#3723AD #AD2354 #99AD23 #23AD7C
split-complementary
#3723AD #AD7C23 #54AD23
monochromatic
#170E47 #27197A #3723AD #4E37D6 #7B6AE1

Accessibility & contrast

On white

10.47
#3723AD on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.01
#3723AD on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3723AD
10.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3723AD#FFFFFF#000000##FFFFFF
##3723AD1.0010.472.0110.47
#FFFFFF10.471.0021.001.00
#0000002.0121.001.0021.00
##FFFFFF10.471.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0045B1
Deuteranopia (green-blind)
#003AAB
Tritanopia (blue-blind)
#004D68
Achromatopsia (no color)
#3F3F3F

Design tokens & code

CSS
--color: #3723ad;
/* rgb */ color: rgb(55, 35, 173);
/* oklch */ color: oklch(39.1% 0.202 278.0);
Tailwind
colors: {
  custom: {
    50: '#7f62c7',
    500: '#3723ad',
    950: '#000000',
  },
}
SCSS
$custom: #3723ad;
$custom-light: #7f62c7;
$custom-dark: #000000;
JSON
{
  "hex": "#3723ad",
  "rgb": {
    "r": 55,
    "g": 35,
    "b": 173
  },
  "hsl": {
    "h": 248.696,
    "s": 66.346,
    "l": 40.784
  },
  "oklch": {
    "l": 0.39105,
    "c": 0.20245,
    "h": 278
  },
  "luminance": 0.05031
}

Semantic roles & 50–950 ramp

primary
#3723AD
secondary
#B9C765
accent
#E93FD1
background
#F8F6FC
surface
#F0EBF8
border
#CBC6D1
text
#0C0513
muted
#7D7A82

Preview Lab

Preview with #3723AD

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

Preview Lab → · Contrast checker → · Palette generator →

#3723AD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva