#3724C1#3724C1

#3724C1 is a dark, highly saturated blue. Relative luminance 0.059; OKLCH L 41.4% C 0.225 H 275.7°. Best body text is #FFFFFF at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#3724C1
RGB	rgb(55, 36, 193)
HSL	hsl(247, 69%, 45%)
HSV	hsv(247, 81%, 76%)
CMYK	cmyk(71.5%, 81.3%, 0%, 24.3%)
CIE-LAB	lab(29.22, 54.73, -77.32)
CIE-LCH	lch(29.22, 94.73, 305.29°)
OKLab	oklab(41.42% 0.0223 -0.2235)
OKLCH	oklch(41.42% 0.225 275.7)
XYZ	xyz(11.8289, 5.9231, 50.9616)
Luminance	0.0592 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3724C1 #AEC124

analogous

#2460C1 #3724C1 #8524C1

triadic

#3724C1 #C13724 #24C137

tetradic

#3724C1 #C12460 #AEC124 #24C185

square

#3724C1 #C12460 #AEC124 #24C185

split-complementary

#3724C1 #C18524 #60C124

monochromatic

#1A115A #281A8D #3724C1 #5846DC #8679E6

Accessibility & contrast

On white

9.61

#3724C1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#3724C1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3724C1

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3724C1	#FFFFFF	#000000	##FFFFFF
##3724C1	1.00	9.61	2.18	9.61
#FFFFFF	9.61	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BC5

Deuteranopia (green-blind)

#003EBE

Tritanopia (blue-blind)

#005674

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3724c1;
/* rgb */ color: rgb(55, 36, 193);
/* oklch */ color: oklch(41.4% 0.225 275.7);

Tailwind

colors: {
  custom: {
    50: '#8464d5',
    500: '#3724c1',
    950: '#000000',
  },
}

SCSS

$custom: #3724c1;
$custom-light: #8464d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3724c1",
  "rgb": {
    "r": 55,
    "g": 36,
    "b": 193
  },
  "hsl": {
    "h": 247.261,
    "s": 68.559,
    "l": 44.902
  },
  "oklch": {
    "l": 0.4142,
    "c": 0.22463,
    "h": 275.7
  },
  "luminance": 0.05924
}

Semantic roles & 50–950 ramp

primary

#3724C1

secondary

#C3CE73

accent

#EB3CD6

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0D0614

muted

#7D7A83

Preview Lab

Preview with #3724C1

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

Preview Lab → · Contrast checker → · Palette generator →