#3722A8#3722A8

#3722A8 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 38.4% C 0.197 H 278.8°. Best body text is #FFFFFF at 10.73:1 contrast (WCAG AA passes).

Color values

HEX	#3722A8
RGB	rgb(55, 34, 168)
HSL	hsl(249, 66%, 40%)
HSV	hsv(249, 80%, 66%)
CMYK	cmyk(67.3%, 79.8%, 0%, 34.1%)
CIE-LAB	lab(26.11, 48.19, -67.56)
CIE-LCH	lch(26.11, 82.99, 305.50°)
OKLab	oklab(38.45% 0.0302 -0.1951)
OKLCH	oklch(38.45% 0.197 278.8)
XYZ	xyz(9.2132, 4.7827, 37.4758)
Luminance	0.0478 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3722A8 #93A822

analogous

#2250A8 #3722A8 #7A22A8

triadic

#3722A8 #A83722 #22A837

tetradic

#3722A8 #A82250 #93A822 #22A87A

square

#3722A8 #A82250 #93A822 #22A87A

split-complementary

#3722A8 #A87A22 #50A822

monochromatic

#160D42 #261875 #3722A8 #4B32D5 #7865E0

Accessibility & contrast

On white

10.73

#3722A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#3722A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3722A8

10.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3722A8	#FFFFFF	#000000	##FFFFFF
##3722A8	1.00	10.73	1.96	10.73
#FFFFFF	10.73	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043AC

Deuteranopia (green-blind)

#0038A6

Tritanopia (blue-blind)

#004B65

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #3722a8;
/* rgb */ color: rgb(55, 34, 168);
/* oklch */ color: oklch(38.4% 0.197 278.8);

Tailwind

colors: {
  custom: {
    50: '#7e61c3',
    500: '#3722a8',
    950: '#000000',
  },
}

SCSS

$custom: #3722a8;
$custom-light: #7e61c3;
$custom-dark: #000000;

JSON

{
  "hex": "#3722a8",
  "rgb": {
    "r": 55,
    "g": 34,
    "b": 168
  },
  "hsl": {
    "h": 249.403,
    "s": 66.337,
    "l": 39.608
  },
  "oklch": {
    "l": 0.38445,
    "c": 0.19745,
    "h": 278.8
  },
  "luminance": 0.04783
}

Semantic roles & 50–950 ramp

primary

#3722A8

secondary

#B5C561

accent

#E93FCF

background

#F8F5FC

surface

#F0EAF8

border

#CBC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #3722A8

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

Preview Lab → · Contrast checker → · Palette generator →