#3722AA#3722AA

#3722AA is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.7% C 0.200 H 278.5°. Best body text is #FFFFFF at 10.65:1 contrast (WCAG AA passes).

Color values

HEX	#3722AA
RGB	rgb(55, 34, 170)
HSL	hsl(249, 67%, 40%)
HSV	hsv(249, 80%, 67%)
CMYK	cmyk(67.6%, 80%, 0%, 33.3%)
CIE-LAB	lab(26.33, 48.79, -68.41)
CIE-LCH	lch(26.33, 84.03, 305.50°)
OKLab	oklab(38.66% 0.0296 -0.1976)
OKLCH	oklch(38.66% 0.2 278.5)
XYZ	xyz(9.4009, 4.8578, 38.4646)
Luminance	0.0486 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3722AA #95AA22

analogous

#2251AA #3722AA #7B22AA

triadic

#3722AA #AA3722 #22AA37

tetradic

#3722AA #AA2251 #95AA22 #22AA7B

square

#3722AA #AA2251 #95AA22 #22AA7B

split-complementary

#3722AA #AA7B22 #51AA22

monochromatic

#160E44 #271877 #3722AA #4C33D6 #7966E0

Accessibility & contrast

On white

10.65

#3722AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#3722AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3722AA

10.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3722AA	#FFFFFF	#000000	##FFFFFF
##3722AA	1.00	10.65	1.97	10.65
#FFFFFF	10.65	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043AE

Deuteranopia (green-blind)

#0039A8

Tritanopia (blue-blind)

#004B66

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #3722aa;
/* rgb */ color: rgb(55, 34, 170);
/* oklch */ color: oklch(38.7% 0.200 278.5);

Tailwind

colors: {
  custom: {
    50: '#7f61c5',
    500: '#3722aa',
    950: '#000000',
  },
}

SCSS

$custom: #3722aa;
$custom-light: #7f61c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3722aa",
  "rgb": {
    "r": 55,
    "g": 34,
    "b": 170
  },
  "hsl": {
    "h": 249.265,
    "s": 66.667,
    "l": 40
  },
  "oklch": {
    "l": 0.38663,
    "c": 0.19979,
    "h": 278.5
  },
  "luminance": 0.04859
}

Semantic roles & 50–950 ramp

primary

#3722AA

secondary

#B6C662

accent

#EA3ECF

background

#F8F5FC

surface

#F0EAF8

border

#CBC6D1

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #3722AA

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

Preview Lab → · Contrast checker → · Palette generator →