#3725A8#3725A8

#3725A8 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.8% C 0.195 H 278.4°. Best body text is #FFFFFF at 10.54:1 contrast (WCAG AA passes).

Color values

HEX	#3725A8
RGB	rgb(55, 37, 168)
HSL	hsl(248, 64%, 40%)
HSV	hsv(248, 78%, 66%)
CMYK	cmyk(67.3%, 78%, 0%, 34.1%)
CIE-LAB	lab(26.63, 46.69, -66.71)
CIE-LCH	lch(26.63, 81.42, 304.99°)
OKLab	oklab(38.81% 0.0286 -0.1927)
OKLCH	oklch(38.81% 0.195 278.4)
XYZ	xyz(9.3027, 4.9617, 37.5057)
Luminance	0.0496 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3725A8 #96A825

analogous

#2555A8 #3725A8 #7825A8

triadic

#3725A8 #A83725 #25A837

tetradic

#3725A8 #A82555 #96A825 #25A878

square

#3725A8 #A82555 #96A825 #25A878

split-complementary

#3725A8 #A87825 #55A825

monochromatic

#160F44 #271A76 #3725A8 #4D37D3 #7969DE

Accessibility & contrast

On white

10.54

#3725A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#3725A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3725A8

10.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3725A8	#FFFFFF	#000000	##FFFFFF
##3725A8	1.00	10.54	1.99	10.54
#FFFFFF	10.54	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044AC

Deuteranopia (green-blind)

#003AA6

Tritanopia (blue-blind)

#004C66

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #3725a8;
/* rgb */ color: rgb(55, 37, 168);
/* oklch */ color: oklch(38.8% 0.195 278.4);

Tailwind

colors: {
  custom: {
    50: '#7e63c3',
    500: '#3725a8',
    950: '#000000',
  },
}

SCSS

$custom: #3725a8;
$custom-light: #7e63c3;
$custom-dark: #000000;

JSON

{
  "hex": "#3725a8",
  "rgb": {
    "r": 55,
    "g": 37,
    "b": 168
  },
  "hsl": {
    "h": 248.244,
    "s": 63.902,
    "l": 40.196
  },
  "oklch": {
    "l": 0.38808,
    "c": 0.19478,
    "h": 278.4
  },
  "luminance": 0.04963
}

Semantic roles & 50–950 ramp

primary

#3725A8

secondary

#B7C465

accent

#E741D0

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0513

muted

#7C7A82

Preview Lab

Preview with #3725A8

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

Preview Lab → · Contrast checker → · Palette generator →