#3723A2#3723A2

#3723A2 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.9% C 0.189 H 279.5°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#3723A2
RGB	rgb(55, 35, 162)
HSL	hsl(249, 64%, 39%)
HSV	hsv(249, 78%, 64%)
CMYK	cmyk(66%, 78.4%, 0%, 36.5%)
CIE-LAB	lab(25.63, 45.86, -64.72)
CIE-LCH	lch(25.63, 79.32, 305.32°)
OKLab	oklab(37.92% 0.0313 -0.1868)
OKLCH	oklch(37.92% 0.189 279.5)
XYZ	xyz(8.6961, 4.6222, 34.6093)
Luminance	0.0462 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3723A2 #8EA223

analogous

#234EA2 #3723A2 #7623A2

triadic

#3723A2 #A23723 #23A237

tetradic

#3723A2 #A2234E #8EA223 #23A276

square

#3723A2 #A2234E #8EA223 #23A276

split-complementary

#3723A2 #A27623 #4EA223

monochromatic

#150D3D #261870 #3723A2 #4930D2 #7662DD

Accessibility & contrast

On white

10.91

#3723A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#3723A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3723A2

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3723A2	#FFFFFF	#000000	##FFFFFF
##3723A2	1.00	10.91	1.92	10.91
#FFFFFF	10.91	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A6

Deuteranopia (green-blind)

#0038A0

Tritanopia (blue-blind)

#004962

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #3723a2;
/* rgb */ color: rgb(55, 35, 162);
/* oklch */ color: oklch(37.9% 0.189 279.5);

Tailwind

colors: {
  custom: {
    50: '#7d61bf',
    500: '#3723a2',
    950: '#000000',
  },
}

SCSS

$custom: #3723a2;
$custom-light: #7d61bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3723a2",
  "rgb": {
    "r": 55,
    "g": 35,
    "b": 162
  },
  "hsl": {
    "h": 249.449,
    "s": 64.467,
    "l": 38.627
  },
  "oklch": {
    "l": 0.37921,
    "c": 0.18945,
    "h": 279.5
  },
  "luminance": 0.04623
}

Semantic roles & 50–950 ramp

primary

#3723A2

secondary

#B3C25E

accent

#E740CD

background

#F8F5FB

surface

#EFEAF7

border

#CAC6D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #3723A2

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

Preview Lab → · Contrast checker → · Palette generator →