#3725A4#3725A4

#3725A4 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 38.4% C 0.190 H 279.0°. Best body text is #FFFFFF at 10.70:1 contrast (WCAG AA passes).

Color values

HEX	#3725A4
RGB	rgb(55, 37, 164)
HSL	hsl(249, 63%, 39%)
HSV	hsv(249, 77%, 64%)
CMYK	cmyk(66.5%, 77.4%, 0%, 35.7%)
CIE-LAB	lab(26.20, 45.45, -64.99)
CIE-LCH	lch(26.20, 79.30, 304.97°)
OKLab	oklab(38.38% 0.0296 -0.1877)
OKLCH	oklch(38.38% 0.19 279)
XYZ	xyz(8.9358, 4.8150, 35.5732)
Luminance	0.0482 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3725A4 #92A425

analogous

#2553A4 #3725A4 #7725A4

triadic

#3725A4 #A43725 #25A437

tetradic

#3725A4 #A42553 #92A425 #25A477

square

#3725A4 #A42553 #92A425 #25A477

split-complementary

#3725A4 #A47725 #53A425

monochromatic

#160E40 #261A72 #3725A4 #4B35D1 #7767DD

Accessibility & contrast

On white

10.70

#3725A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#3725A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3725A4

10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3725A4	#FFFFFF	#000000	##FFFFFF
##3725A4	1.00	10.70	1.96	10.70
#FFFFFF	10.70	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A8

Deuteranopia (green-blind)

#0039A2

Tritanopia (blue-blind)

#004A63

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #3725a4;
/* rgb */ color: rgb(55, 37, 164);
/* oklch */ color: oklch(38.4% 0.190 279.0);

Tailwind

colors: {
  custom: {
    50: '#7d63c0',
    500: '#3725a4',
    950: '#000000',
  },
}

SCSS

$custom: #3725a4;
$custom-light: #7d63c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3725a4",
  "rgb": {
    "r": 55,
    "g": 37,
    "b": 164
  },
  "hsl": {
    "h": 248.504,
    "s": 63.184,
    "l": 39.412
  },
  "oklch": {
    "l": 0.38384,
    "c": 0.18999,
    "h": 279
  },
  "luminance": 0.04816
}

Semantic roles & 50–950 ramp

primary

#3725A4

secondary

#B5C262

accent

#E642CF

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0512

muted

#7C7A81

Preview Lab

Preview with #3725A4

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

Preview Lab → · Contrast checker → · Palette generator →