#3723A3#3723A3

#3723A3 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 38.0% C 0.191 H 279.4°. Best body text is #FFFFFF at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#3723A3
RGB	rgb(55, 35, 163)
HSL	hsl(249, 65%, 39%)
HSV	hsv(249, 79%, 64%)
CMYK	cmyk(66.3%, 78.5%, 0%, 36.1%)
CIE-LAB	lab(25.74, 46.17, -65.15)
CIE-LCH	lch(25.74, 79.85, 305.32°)
OKLab	oklab(38.03% 0.031 -0.1881)
OKLCH	oklch(38.03% 0.191 279.4)
XYZ	xyz(8.7853, 4.6579, 35.0793)
Luminance	0.0466 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3723A3 #8FA323

analogous

#234FA3 #3723A3 #7723A3

triadic

#3723A3 #A33723 #23A337

tetradic

#3723A3 #A3234F #8FA323 #23A377

square

#3723A3 #A3234F #8FA323 #23A377

split-complementary

#3723A3 #A37723 #4FA323

monochromatic

#150D3E #261871 #3723A3 #4A31D3 #7663DD

Accessibility & contrast

On white

10.87

#3723A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#3723A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3723A3

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3723A3	#FFFFFF	#000000	##FFFFFF
##3723A3	1.00	10.87	1.93	10.87
#FFFFFF	10.87	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A7

Deuteranopia (green-blind)

#0038A1

Tritanopia (blue-blind)

#004962

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #3723a3;
/* rgb */ color: rgb(55, 35, 163);
/* oklch */ color: oklch(38.0% 0.191 279.4);

Tailwind

colors: {
  custom: {
    50: '#7d62c0',
    500: '#3723a3',
    950: '#000000',
  },
}

SCSS

$custom: #3723a3;
$custom-light: #7d62c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3723a3",
  "rgb": {
    "r": 55,
    "g": 35,
    "b": 163
  },
  "hsl": {
    "h": 249.375,
    "s": 64.646,
    "l": 38.824
  },
  "oklch": {
    "l": 0.38028,
    "c": 0.19065,
    "h": 279.4
  },
  "luminance": 0.04659
}

Semantic roles & 50–950 ramp

primary

#3723A3

secondary

#B3C35F

accent

#E840CD

background

#F8F5FB

surface

#EFEAF7

border

#CAC6D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #3723A3

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

Preview Lab → · Contrast checker → · Palette generator →