#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
RGB	rgb(55, 35, 173)
HSL	hsl(249, 66%, 41%)
HSV	hsv(249, 80%, 68%)
CMYK	cmyk(68.2%, 79.8%, 0%, 32.2%)
CIE-LAB	lab(26.82, 49.22, -69.39)
CIE-LCH	lch(26.82, 85.07, 305.35°)
OKLab	oklab(39.11% 0.0283 -0.2005)
OKLCH	oklch(39.11% 0.202 278)
XYZ	xyz(9.7170, 5.0306, 39.9860)
Luminance	0.0503 (WCAG relative)
Temperature	cool
Family	blue

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
##3723AD	1.00	10.47	2.01	10.47
#FFFFFF	10.47	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.47	1.00	21.00	1.00

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 →