#3F25B5#3F25B5

#3F25B5 is a dark, highly saturated violet. Relative luminance 0.057; OKLCH L 40.8% C 0.208 H 280.1°. Best body text is #FFFFFF at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#3F25B5
RGB	rgb(63, 37, 181)
HSL	hsl(251, 66%, 43%)
HSV	hsv(251, 80%, 71%)
CMYK	cmyk(65.2%, 79.6%, 0%, 29%)
CIE-LAB	lab(28.68, 51.43, -71.08)
CIE-LCH	lch(28.68, 87.73, 305.89°)
OKLab	oklab(40.82% 0.0365 -0.2052)
OKLCH	oklch(40.82% 0.208 280.1)
XYZ	xyz(11.0493, 5.7152, 44.2280)
Luminance	0.0572 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F25B5 #9BB525

analogous

#2553B5 #3F25B5 #8725B5

triadic

#3F25B5 #B53F25 #25B53F

tetradic

#3F25B5 #B52553 #9BB525 #25B587

square

#3F25B5 #B52553 #9BB525 #25B587

split-complementary

#3F25B5 #B58725 #53B525

monochromatic

#1C104F #2D1B82 #3F25B5 #5B3FD8 #8672E2

Accessibility & contrast

On white

9.80

#3F25B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#3F25B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F25B5

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F25B5	#FFFFFF	#000000	##FFFFFF
##3F25B5	1.00	9.80	2.14	9.80
#FFFFFF	9.80	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B9

Deuteranopia (green-blind)

#003EB2

Tritanopia (blue-blind)

#00516D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #3f25b5;
/* rgb */ color: rgb(63, 37, 181);
/* oklch */ color: oklch(40.8% 0.208 280.1);

Tailwind

colors: {
  custom: {
    50: '#8464cd',
    500: '#3f25b5',
    950: '#000000',
  },
}

SCSS

$custom: #3f25b5;
$custom-light: #8464cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3f25b5",
  "rgb": {
    "r": 63,
    "g": 37,
    "b": 181
  },
  "hsl": {
    "h": 250.833,
    "s": 66.055,
    "l": 42.745
  },
  "oklch": {
    "l": 0.40821,
    "c": 0.20842,
    "h": 280.1
  },
  "luminance": 0.05716
}

Semantic roles & 50–950 ramp

primary

#3F25B5

secondary

#B8C96D

accent

#E93FCA

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3F25B5

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

Preview Lab → · Contrast checker → · Palette generator →