#3722B2#3722B2

#3722B2 is a dark, highly saturated blue. Relative luminance 0.052; OKLCH L 39.5% C 0.209 H 277.5°. Best body text is #FFFFFF at 10.32:1 contrast (WCAG AA passes).

Color values

HEX	#3722B2
RGB	rgb(55, 34, 178)
HSL	hsl(249, 68%, 42%)
HSV	hsv(249, 81%, 70%)
CMYK	cmyk(69.1%, 80.9%, 0%, 30.2%)
CIE-LAB	lab(27.21, 51.20, -71.74)
CIE-LCH	lch(27.21, 88.14, 305.51°)
OKLab	oklab(39.54% 0.0273 -0.2073)
OKLCH	oklch(39.54% 0.209 277.5)
XYZ	xyz(10.1809, 5.1697, 42.5722)
Luminance	0.0517 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3722B2 #9DB222

analogous

#2255B2 #3722B2 #7F22B2

triadic

#3722B2 #B23722 #22B237

tetradic

#3722B2 #B22255 #9DB222 #22B27F

square

#3722B2 #B22255 #9DB222 #22B27F

split-complementary

#3722B2 #B27F22 #55B222

monochromatic

#170E4B #27187F #3722B2 #5038D9 #7D6CE3

Accessibility & contrast

On white

10.32

#3722B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#3722B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3722B2

10.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3722B2	#FFFFFF	#000000	##FFFFFF
##3722B2	1.00	10.32	2.03	10.32
#FFFFFF	10.32	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046B6

Deuteranopia (green-blind)

#003AB0

Tritanopia (blue-blind)

#004F6B

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #3722b2;
/* rgb */ color: rgb(55, 34, 178);
/* oklch */ color: oklch(39.5% 0.209 277.5);

Tailwind

colors: {
  custom: {
    50: '#8062ca',
    500: '#3722b2',
    950: '#000000',
  },
}

SCSS

$custom: #3722b2;
$custom-light: #8062ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3722b2",
  "rgb": {
    "r": 55,
    "g": 34,
    "b": 178
  },
  "hsl": {
    "h": 248.75,
    "s": 67.925,
    "l": 41.569
  },
  "oklch": {
    "l": 0.39539,
    "c": 0.20907,
    "h": 277.5
  },
  "luminance": 0.05171
}

Semantic roles & 50–950 ramp

primary

#3722B2

secondary

#BBC967

accent

#EB3DD1

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0513

muted

#7D7A82

Preview Lab

Preview with #3722B2

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

Preview Lab → · Contrast checker → · Palette generator →