#3725B2#3725B2

#3725B2 is a dark, highly saturated blue. Relative luminance 0.053; OKLCH L 39.9% C 0.207 H 277.2°. Best body text is #FFFFFF at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#3725B2
RGB	rgb(55, 37, 178)
HSL	hsl(248, 66%, 42%)
HSV	hsv(248, 79%, 70%)
CMYK	cmyk(69.1%, 79.2%, 0%, 30.2%)
CIE-LAB	lab(27.71, 49.76, -70.92)
CIE-LCH	lch(27.71, 86.64, 305.05°)
OKLab	oklab(39.88% 0.0259 -0.2049)
OKLCH	oklch(39.88% 0.207 277.2)
XYZ	xyz(10.2704, 5.3488, 42.6020)
Luminance	0.0535 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3725B2 #A0B225

analogous

#2559B2 #3725B2 #7E25B2

triadic

#3725B2 #B23725 #25B237

tetradic

#3725B2 #B22559 #A0B225 #25B27E

square

#3725B2 #B22559 #A0B225 #25B27E

split-complementary

#3725B2 #B27E25 #59B225

monochromatic

#18104D #271A7F #3725B2 #513DD7 #7F70E1

Accessibility & contrast

On white

10.14

#3725B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#3725B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3725B2

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3725B2	#FFFFFF	#000000	##FFFFFF
##3725B2	1.00	10.14	2.07	10.14
#FFFFFF	10.14	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B6

Deuteranopia (green-blind)

#003BB0

Tritanopia (blue-blind)

#00506B

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3725b2;
/* rgb */ color: rgb(55, 37, 178);
/* oklch */ color: oklch(39.9% 0.207 277.2);

Tailwind

colors: {
  custom: {
    50: '#8064ca',
    500: '#3725b2',
    950: '#000000',
  },
}

SCSS

$custom: #3725b2;
$custom-light: #8064ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3725b2",
  "rgb": {
    "r": 55,
    "g": 37,
    "b": 178
  },
  "hsl": {
    "h": 247.66,
    "s": 65.581,
    "l": 42.157
  },
  "oklch": {
    "l": 0.39882,
    "c": 0.20659,
    "h": 277.2
  },
  "luminance": 0.0535
}

Semantic roles & 50–950 ramp

primary

#3725B2

secondary

#BCC86B

accent

#E93FD3

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3725B2

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

Preview Lab → · Contrast checker → · Palette generator →