#3722C1#3722C1

#3722C1 is a dark, highly saturated blue. Relative luminance 0.058; OKLCH L 41.2% C 0.226 H 275.8°. Best body text is #FFFFFF at 9.72:1 contrast (WCAG AA passes).

Color values

HEX	#3722C1
RGB	rgb(55, 34, 193)
HSL	hsl(248, 70%, 45%)
HSV	hsv(248, 82%, 76%)
CMYK	cmyk(71.5%, 82.4%, 0%, 24.3%)
CIE-LAB	lab(28.92, 55.62, -77.82)
CIE-LCH	lch(28.92, 95.65, 305.55°)
OKLab	oklab(41.21% 0.023 -0.2249)
OKLCH	oklch(41.21% 0.226 275.8)
XYZ	xyz(11.7701, 5.8054, 50.9420)
Luminance	0.0581 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3722C1 #ACC122

analogous

#225CC1 #3722C1 #8722C1

triadic

#3722C1 #C13722 #22C137

tetradic

#3722C1 #C1225C #ACC122 #22C187

square

#3722C1 #C1225C #ACC122 #22C187

split-complementary

#3722C1 #C18722 #5CC122

monochromatic

#191059 #28198D #3722C1 #5742DE #8576E7

Accessibility & contrast

On white

9.72

#3722C1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#3722C1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3722C1

9.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3722C1	#FFFFFF	#000000	##FFFFFF
##3722C1	1.00	9.72	2.16	9.72
#FFFFFF	9.72	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BC5

Deuteranopia (green-blind)

#003DBE

Tritanopia (blue-blind)

#005574

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #3722c1;
/* rgb */ color: rgb(55, 34, 193);
/* oklch */ color: oklch(41.2% 0.226 275.8);

Tailwind

colors: {
  custom: {
    50: '#8463d5',
    500: '#3722c1',
    950: '#000000',
  },
}

SCSS

$custom: #3722c1;
$custom-light: #8463d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3722c1",
  "rgb": {
    "r": 55,
    "g": 34,
    "b": 193
  },
  "hsl": {
    "h": 247.925,
    "s": 70.044,
    "l": 44.51
  },
  "oklch": {
    "l": 0.41212,
    "c": 0.22611,
    "h": 275.8
  },
  "luminance": 0.05807
}

Semantic roles & 50–950 ramp

primary

#3722C1

secondary

#C2CE71

accent

#ED3BD5

background

#F9F6FD

surface

#F1EBFA

border

#CBC6D3

text

#0D0614

muted

#7E7A83

Preview Lab

Preview with #3722C1

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

Preview Lab → · Contrast checker → · Palette generator →