#3725B4#3725B4

#3725B4 is a dark, highly saturated blue. Relative luminance 0.054; OKLCH L 40.1% C 0.209 H 277.0°. Best body text is #FFFFFF at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#3725B4
RGB	rgb(55, 37, 180)
HSL	hsl(248, 66%, 43%)
HSV	hsv(248, 79%, 71%)
CMYK	cmyk(69.4%, 79.4%, 0%, 29.4%)
CIE-LAB	lab(27.93, 50.37, -71.76)
CIE-LCH	lch(27.93, 87.67, 305.07°)
OKLab	oklab(40.1% 0.0254 -0.2074)
OKLCH	oklch(40.1% 0.209 277)
XYZ	xyz(10.4727, 5.4297, 43.6673)
Luminance	0.0543 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3725B4 #A2B425

analogous

#255BB4 #3725B4 #7E25B4

triadic

#3725B4 #B43725 #25B437

tetradic

#3725B4 #B4255B #A2B425 #25B47E

square

#3725B4 #B4255B #A2B425 #25B47E

split-complementary

#3725B4 #B47E25 #5BB425

monochromatic

#18104E #271B81 #3725B4 #523FD7 #8071E2

Accessibility & contrast

On white

10.07

#3725B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#3725B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3725B4

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3725B4	#FFFFFF	#000000	##FFFFFF
##3725B4	1.00	10.07	2.09	10.07
#FFFFFF	10.07	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B8

Deuteranopia (green-blind)

#003CB2

Tritanopia (blue-blind)

#00516D

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3725b4;
/* rgb */ color: rgb(55, 37, 180);
/* oklch */ color: oklch(40.1% 0.209 277.0);

Tailwind

colors: {
  custom: {
    50: '#8164cc',
    500: '#3725b4',
    950: '#000000',
  },
}

SCSS

$custom: #3725b4;
$custom-light: #8164cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3725b4",
  "rgb": {
    "r": 55,
    "g": 37,
    "b": 180
  },
  "hsl": {
    "h": 247.552,
    "s": 65.899,
    "l": 42.549
  },
  "oklch": {
    "l": 0.40099,
    "c": 0.20892,
    "h": 277
  },
  "luminance": 0.05431
}

Semantic roles & 50–950 ramp

primary

#3725B4

secondary

#BDC96C

accent

#E93FD3

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3725B4

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

Preview Lab → · Contrast checker → · Palette generator →