#3925B1#3925B1

#3925B1 is a dark, highly saturated blue. Relative luminance 0.054; OKLCH L 39.9% C 0.205 H 278.1°. Best body text is #FFFFFF at 10.13:1 contrast (WCAG AA passes).

Color values

HEX	#3925B1
RGB	rgb(57, 37, 177)
HSL	hsl(249, 65%, 42%)
HSV	hsv(249, 79%, 69%)
CMYK	cmyk(67.8%, 79.1%, 0%, 30.6%)
CIE-LAB	lab(27.75, 49.65, -70.24)
CIE-LCH	lch(27.75, 86.02, 305.25°)
OKLab	oklab(39.92% 0.029 -0.2029)
OKLCH	oklch(39.92% 0.205 278.1)
XYZ	xyz(10.2822, 5.3664, 42.0804)
Luminance	0.0537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3925B1 #9DB125

analogous

#2557B1 #3925B1 #7F25B1

triadic

#3925B1 #B13925 #25B139

tetradic

#3925B1 #B12557 #9DB125 #25B17F

square

#3925B1 #B12557 #9DB125 #25B17F

split-complementary

#3925B1 #B17F25 #57B125

monochromatic

#18104C #291A7E #3925B1 #533DD6 #806FE1

Accessibility & contrast

On white

10.13

#3925B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#3925B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3925B1

10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3925B1	#FFFFFF	#000000	##FFFFFF
##3925B1	1.00	10.13	2.07	10.13
#FFFFFF	10.13	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B5

Deuteranopia (green-blind)

#003CAF

Tritanopia (blue-blind)

#004F6B

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3925b1;
/* rgb */ color: rgb(57, 37, 177);
/* oklch */ color: oklch(39.9% 0.205 278.1);

Tailwind

colors: {
  custom: {
    50: '#8164ca',
    500: '#3925b1',
    950: '#000000',
  },
}

SCSS

$custom: #3925b1;
$custom-light: #8164ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3925b1",
  "rgb": {
    "r": 57,
    "g": 37,
    "b": 177
  },
  "hsl": {
    "h": 248.571,
    "s": 65.421,
    "l": 41.961
  },
  "oklch": {
    "l": 0.39923,
    "c": 0.20498,
    "h": 278.1
  },
  "luminance": 0.05367
}

Semantic roles & 50–950 ramp

primary

#3925B1

secondary

#BAC86A

accent

#E83FD0

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3925B1

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

Preview Lab → · Contrast checker → · Palette generator →