#3723C1#3723C1

#3723C1 is a dark, highly saturated blue. Relative luminance 0.059; OKLCH L 41.3% C 0.225 H 275.8°. Best body text is #FFFFFF at 9.66:1 contrast (WCAG AA passes).

Color values

HEX	#3723C1
RGB	rgb(55, 35, 193)
HSL	hsl(248, 69%, 45%)
HSV	hsv(248, 82%, 76%)
CMYK	cmyk(71.5%, 81.9%, 0%, 24.3%)
CIE-LAB	lab(29.07, 55.18, -77.57)
CIE-LCH	lch(29.07, 95.20, 305.42°)
OKLab	oklab(41.32% 0.0226 -0.2242)
OKLCH	oklch(41.32% 0.225 275.8)
XYZ	xyz(11.7991, 5.8634, 50.9517)
Luminance	0.0587 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3723C1 #ADC123

analogous

#235EC1 #3723C1 #8623C1

triadic

#3723C1 #C13723 #23C137

tetradic

#3723C1 #C1235E #ADC123 #23C186

square

#3723C1 #C1235E #ADC123 #23C186

split-complementary

#3723C1 #C18623 #5EC123

monochromatic

#191059 #281A8D #3723C1 #5744DD #8678E6

Accessibility & contrast

On white

9.66

#3723C1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#3723C1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3723C1

9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3723C1	#FFFFFF	#000000	##FFFFFF
##3723C1	1.00	9.66	2.17	9.66
#FFFFFF	9.66	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.66	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: #3723c1;
/* rgb */ color: rgb(55, 35, 193);
/* oklch */ color: oklch(41.3% 0.225 275.8);

Tailwind

colors: {
  custom: {
    50: '#8463d5',
    500: '#3723c1',
    950: '#000000',
  },
}

SCSS

$custom: #3723c1;
$custom-light: #8463d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3723c1",
  "rgb": {
    "r": 55,
    "g": 35,
    "b": 193
  },
  "hsl": {
    "h": 247.595,
    "s": 69.298,
    "l": 44.706
  },
  "oklch": {
    "l": 0.41315,
    "c": 0.22538,
    "h": 275.8
  },
  "luminance": 0.05865
}

Semantic roles & 50–950 ramp

primary

#3723C1

secondary

#C2CE72

accent

#EC3CD6

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0D0614

muted

#7D7A83

Preview Lab

Preview with #3723C1

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

Preview Lab → · Contrast checker → · Palette generator →