#3722A9#3722A9

#3722A9 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 38.6% C 0.199 H 278.6°. Best body text is #FFFFFF at 10.69:1 contrast (WCAG AA passes).

Color values

HEX	#3722A9
RGB	rgb(55, 34, 169)
HSL	hsl(249, 67%, 40%)
HSV	hsv(249, 80%, 66%)
CMYK	cmyk(67.5%, 79.9%, 0%, 33.7%)
CIE-LAB	lab(26.22, 48.49, -67.99)
CIE-LCH	lch(26.22, 83.51, 305.50°)
OKLab	oklab(38.55% 0.0299 -0.1964)
OKLCH	oklch(38.55% 0.199 278.6)
XYZ	xyz(9.3067, 4.8201, 37.9683)
Luminance	0.0482 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3722A9 #94A922

analogous

#2251A9 #3722A9 #7A22A9

triadic

#3722A9 #A93722 #22A937

tetradic

#3722A9 #A92251 #94A922 #22A97A

square

#3722A9 #A92251 #94A922 #22A97A

split-complementary

#3722A9 #A97A22 #51A922

monochromatic

#160D43 #261876 #3722A9 #4C32D6 #7865E0

Accessibility & contrast

On white

10.69

#3722A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#3722A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3722A9

10.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3722A9	#FFFFFF	#000000	##FFFFFF
##3722A9	1.00	10.69	1.96	10.69
#FFFFFF	10.69	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043AD

Deuteranopia (green-blind)

#0039A7

Tritanopia (blue-blind)

#004B66

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #3722a9;
/* rgb */ color: rgb(55, 34, 169);
/* oklch */ color: oklch(38.6% 0.199 278.6);

Tailwind

colors: {
  custom: {
    50: '#7f61c4',
    500: '#3722a9',
    950: '#000000',
  },
}

SCSS

$custom: #3722a9;
$custom-light: #7f61c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3722a9",
  "rgb": {
    "r": 55,
    "g": 34,
    "b": 169
  },
  "hsl": {
    "h": 249.333,
    "s": 66.502,
    "l": 39.804
  },
  "oklch": {
    "l": 0.38554,
    "c": 0.19862,
    "h": 278.6
  },
  "luminance": 0.04821
}

Semantic roles & 50–950 ramp

primary

#3722A9

secondary

#B6C561

accent

#E93ECF

background

#F8F5FC

surface

#F0EAF8

border

#CBC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #3722A9

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

Preview Lab → · Contrast checker → · Palette generator →