#3723AC#3723AC

#3723AC is a dark, highly saturated blue. Relative luminance 0.050; OKLCH L 39.0% C 0.201 H 278.1°. Best body text is #FFFFFF at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#3723AC
RGB	rgb(55, 35, 172)
HSL	hsl(249, 66%, 41%)
HSV	hsv(249, 80%, 67%)
CMYK	cmyk(68%, 79.7%, 0%, 32.5%)
CIE-LAB	lab(26.71, 48.92, -68.97)
CIE-LCH	lch(26.71, 84.56, 305.34°)
OKLab	oklab(39% 0.0285 -0.1992)
OKLCH	oklch(39% 0.201 278.1)
XYZ	xyz(9.6206, 4.9920, 39.4783)
Luminance	0.0499 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3723AC #98AC23

analogous

#2353AC #3723AC #7B23AC

triadic

#3723AC #AC3723 #23AC37

tetradic

#3723AC #AC2353 #98AC23 #23AC7B

square

#3723AC #AC2353 #98AC23 #23AC7B

split-complementary

#3723AC #AC7B23 #53AC23

monochromatic

#160E46 #271979 #3723AC #4D36D6 #7A69E0

Accessibility & contrast

On white

10.51

#3723AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#3723AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3723AC

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3723AC	#FFFFFF	#000000	##FFFFFF
##3723AC	1.00	10.51	2.00	10.51
#FFFFFF	10.51	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044B0

Deuteranopia (green-blind)

#0039AA

Tritanopia (blue-blind)

#004D68

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #3723ac;
/* rgb */ color: rgb(55, 35, 172);
/* oklch */ color: oklch(39.0% 0.201 278.1);

Tailwind

colors: {
  custom: {
    50: '#7f62c6',
    500: '#3723ac',
    950: '#000000',
  },
}

SCSS

$custom: #3723ac;
$custom-light: #7f62c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3723ac",
  "rgb": {
    "r": 55,
    "g": 35,
    "b": 172
  },
  "hsl": {
    "h": 248.759,
    "s": 66.184,
    "l": 40.588
  },
  "oklch": {
    "l": 0.38996,
    "c": 0.20128,
    "h": 278.1
  },
  "luminance": 0.04993
}

Semantic roles & 50–950 ramp

primary

#3723AC

secondary

#B8C664

accent

#E93FD0

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0513

muted

#7D7A82

Preview Lab

Preview with #3723AC

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

Preview Lab → · Contrast checker → · Palette generator →