#3722B4#3722B4

#3722B4 is a dark, highly saturated blue. Relative luminance 0.053; OKLCH L 39.8% C 0.211 H 277.3°. Best body text is #FFFFFF at 10.24:1 contrast (WCAG AA passes).

Color values

HEX	#3722B4
RGB	rgb(55, 34, 180)
HSL	hsl(249, 68%, 42%)
HSV	hsv(249, 81%, 71%)
CMYK	cmyk(69.4%, 81.1%, 0%, 29.4%)
CIE-LAB	lab(27.44, 51.79, -72.56)
CIE-LCH	lch(27.44, 89.15, 305.52°)
OKLab	oklab(39.76% 0.0267 -0.2097)
OKLCH	oklch(39.76% 0.211 277.3)
XYZ	xyz(10.3831, 5.2506, 43.6375)
Luminance	0.0525 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3722B4 #9FB422

analogous

#2256B4 #3722B4 #8022B4

triadic

#3722B4 #B43722 #22B437

tetradic

#3722B4 #B42256 #9FB422 #22B480

square

#3722B4 #B42256 #9FB422 #22B480

split-complementary

#3722B4 #B48022 #56B422

monochromatic

#180F4D #271881 #3722B4 #513ADA #7E6DE3

Accessibility & contrast

On white

10.24

#3722B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#3722B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3722B4

10.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3722B4	#FFFFFF	#000000	##FFFFFF
##3722B4	1.00	10.24	2.05	10.24
#FFFFFF	10.24	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B8

Deuteranopia (green-blind)

#003BB2

Tritanopia (blue-blind)

#00506C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3722b4;
/* rgb */ color: rgb(55, 34, 180);
/* oklch */ color: oklch(39.8% 0.211 277.3);

Tailwind

colors: {
  custom: {
    50: '#8162cc',
    500: '#3722b4',
    950: '#000000',
  },
}

SCSS

$custom: #3722b4;
$custom-light: #8162cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3722b4",
  "rgb": {
    "r": 55,
    "g": 34,
    "b": 180
  },
  "hsl": {
    "h": 248.63,
    "s": 68.224,
    "l": 41.961
  },
  "oklch": {
    "l": 0.3976,
    "c": 0.21137,
    "h": 277.3
  },
  "luminance": 0.05252
}

Semantic roles & 50–950 ramp

primary

#3722B4

secondary

#BCCA68

accent

#EB3DD2

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0514

muted

#7D7A82

Preview Lab

Preview with #3722B4

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

Preview Lab → · Contrast checker → · Palette generator →