#3725B1#3725B1

#3725B1 is a dark, highly saturated blue. Relative luminance 0.053; OKLCH L 39.8% C 0.205 H 277.3°. Best body text is #FFFFFF at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#3725B1
RGB	rgb(55, 37, 177)
HSL	hsl(248, 65%, 42%)
HSV	hsv(248, 79%, 69%)
CMYK	cmyk(68.9%, 79.1%, 0%, 30.6%)
CIE-LAB	lab(27.60, 49.46, -70.51)
CIE-LCH	lch(27.60, 86.12, 305.05°)
OKLab	oklab(39.77% 0.0262 -0.2037)
OKLCH	oklch(39.77% 0.205 277.3)
XYZ	xyz(10.1704, 5.3088, 42.0752)
Luminance	0.0531 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3725B1 #9FB125

analogous

#2559B1 #3725B1 #7D25B1

triadic

#3725B1 #B13725 #25B137

tetradic

#3725B1 #B12559 #9FB125 #25B17D

square

#3725B1 #B12559 #9FB125 #25B17D

split-complementary

#3725B1 #B17D25 #59B125

monochromatic

#18104C #271A7E #3725B1 #513DD6 #7E6FE1

Accessibility & contrast

On white

10.18

#3725B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#3725B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3725B1

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3725B1	#FFFFFF	#000000	##FFFFFF
##3725B1	1.00	10.18	2.06	10.18
#FFFFFF	10.18	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B5

Deuteranopia (green-blind)

#003BAF

Tritanopia (blue-blind)

#004F6B

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3725b1;
/* rgb */ color: rgb(55, 37, 177);
/* oklch */ color: oklch(39.8% 0.205 277.3);

Tailwind

colors: {
  custom: {
    50: '#8063ca',
    500: '#3725b1',
    950: '#000000',
  },
}

SCSS

$custom: #3725b1;
$custom-light: #8063ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3725b1",
  "rgb": {
    "r": 55,
    "g": 37,
    "b": 177
  },
  "hsl": {
    "h": 247.714,
    "s": 65.421,
    "l": 41.961
  },
  "oklch": {
    "l": 0.39774,
    "c": 0.20542,
    "h": 277.3
  },
  "luminance": 0.0531
}

Semantic roles & 50–950 ramp

primary

#3725B1

secondary

#BCC86A

accent

#E83FD3

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3725B1

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

Preview Lab → · Contrast checker → · Palette generator →