#3F25A9#3F25A9

#3F25A9 is a dark, vivid violet. Relative luminance 0.052; OKLCH L 39.6% C 0.194 H 281.9°. Best body text is #FFFFFF at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#3F25A9
RGB	rgb(63, 37, 169)
HSL	hsl(252, 64%, 40%)
HSV	hsv(252, 78%, 66%)
CMYK	cmyk(62.7%, 78.1%, 0%, 33.7%)
CIE-LAB	lab(27.42, 47.87, -65.98)
CIE-LCH	lch(27.42, 81.52, 305.96°)
OKLab	oklab(39.57% 0.04 -0.1903)
OKLCH	oklch(39.57% 0.194 281.9)
XYZ	xyz(9.8707, 5.2438, 38.0204)
Luminance	0.0524 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F25A9 #8FA925

analogous

#254DA9 #3F25A9 #8125A9

triadic

#3F25A9 #A93F25 #25A93F

tetradic

#3F25A9 #A9254D #8FA925 #25A981

square

#3F25A9 #A9254D #8FA925 #25A981

split-complementary

#3F25A9 #A98125 #4DA925

monochromatic

#1A0F45 #2C1A77 #3F25A9 #5638D3 #816ADE

Accessibility & contrast

On white

10.25

#3F25A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#3F25A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F25A9

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F25A9	#FFFFFF	#000000	##FFFFFF
##3F25A9	1.00	10.25	2.05	10.25
#FFFFFF	10.25	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045AD

Deuteranopia (green-blind)

#003CA7

Tritanopia (blue-blind)

#004C66

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3f25a9;
/* rgb */ color: rgb(63, 37, 169);
/* oklch */ color: oklch(39.6% 0.194 281.9);

Tailwind

colors: {
  custom: {
    50: '#8264c4',
    500: '#3f25a9',
    950: '#000000',
  },
}

SCSS

$custom: #3f25a9;
$custom-light: #8264c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3f25a9",
  "rgb": {
    "r": 63,
    "g": 37,
    "b": 169
  },
  "hsl": {
    "h": 251.818,
    "s": 64.078,
    "l": 40.392
  },
  "oklch": {
    "l": 0.39565,
    "c": 0.19448,
    "h": 281.9
  },
  "luminance": 0.05244
}

Semantic roles & 50–950 ramp

primary

#3F25A9

secondary

#B2C465

accent

#E741C6

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3F25A9

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

Preview Lab → · Contrast checker → · Palette generator →