#3725A9#3725A9

#3725A9 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.9% C 0.196 H 278.3°. Best body text is #FFFFFF at 10.50:1 contrast (WCAG AA passes).

Color values

HEX	#3725A9
RGB	rgb(55, 37, 169)
HSL	hsl(248, 64%, 40%)
HSV	hsv(248, 78%, 66%)
CMYK	cmyk(67.5%, 78.1%, 0%, 33.7%)
CIE-LAB	lab(26.73, 47.00, -67.13)
CIE-LCH	lch(26.73, 81.95, 305.00°)
OKLab	oklab(38.91% 0.0283 -0.1939)
OKLCH	oklch(38.91% 0.196 278.3)
XYZ	xyz(9.3962, 4.9991, 37.9982)
Luminance	0.0500 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3725A9 #97A925

analogous

#2555A9 #3725A9 #7925A9

triadic

#3725A9 #A93725 #25A937

tetradic

#3725A9 #A92555 #97A925 #25A979

square

#3725A9 #A92555 #97A925 #25A979

split-complementary

#3725A9 #A97925 #55A925

monochromatic

#160F45 #271A77 #3725A9 #4D38D3 #7A6ADE

Accessibility & contrast

On white

10.50

#3725A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#3725A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3725A9

10.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3725A9	#FFFFFF	#000000	##FFFFFF
##3725A9	1.00	10.50	2.00	10.50
#FFFFFF	10.50	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044AD

Deuteranopia (green-blind)

#003AA7

Tritanopia (blue-blind)

#004C66

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #3725a9;
/* rgb */ color: rgb(55, 37, 169);
/* oklch */ color: oklch(38.9% 0.196 278.3);

Tailwind

colors: {
  custom: {
    50: '#7e63c4',
    500: '#3725a9',
    950: '#000000',
  },
}

SCSS

$custom: #3725a9;
$custom-light: #7e63c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3725a9",
  "rgb": {
    "r": 55,
    "g": 37,
    "b": 169
  },
  "hsl": {
    "h": 248.182,
    "s": 64.078,
    "l": 40.392
  },
  "oklch": {
    "l": 0.38914,
    "c": 0.19598,
    "h": 278.3
  },
  "luminance": 0.05
}

Semantic roles & 50–950 ramp

primary

#3725A9

secondary

#B8C465

accent

#E741D0

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0B0513

muted

#7C7A82

Preview Lab

Preview with #3725A9

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

Preview Lab → · Contrast checker → · Palette generator →