#3F25B3#3F25B3

#3F25B3 is a dark, highly saturated violet. Relative luminance 0.056; OKLCH L 40.6% C 0.206 H 280.4°. Best body text is #FFFFFF at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#3F25B3
RGB	rgb(63, 37, 179)
HSL	hsl(251, 66%, 42%)
HSV	hsv(251, 79%, 70%)
CMYK	cmyk(64.8%, 79.3%, 0%, 29.8%)
CIE-LAB	lab(28.47, 50.84, -70.24)
CIE-LCH	lch(28.47, 86.71, 305.90°)
OKLab	oklab(40.61% 0.0371 -0.2028)
OKLCH	oklch(40.61% 0.206 280.4)
XYZ	xyz(10.8456, 5.6337, 43.1550)
Luminance	0.0563 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F25B3 #99B325

analogous

#2552B3 #3F25B3 #8625B3

triadic

#3F25B3 #B33F25 #25B33F

tetradic

#3F25B3 #B32552 #99B325 #25B386

square

#3F25B3 #B32552 #99B325 #25B386

split-complementary

#3F25B3 #B38625 #52B325

monochromatic

#1B104E #2D1B80 #3F25B3 #5A3ED7 #8571E2

Accessibility & contrast

On white

9.87

#3F25B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#3F25B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F25B3

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F25B3	#FFFFFF	#000000	##FFFFFF
##3F25B3	1.00	9.87	2.13	9.87
#FFFFFF	9.87	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B7

Deuteranopia (green-blind)

#003EB1

Tritanopia (blue-blind)

#00506C

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3f25b3;
/* rgb */ color: rgb(63, 37, 179);
/* oklch */ color: oklch(40.6% 0.206 280.4);

Tailwind

colors: {
  custom: {
    50: '#8464cb',
    500: '#3f25b3',
    950: '#000000',
  },
}

SCSS

$custom: #3f25b3;
$custom-light: #8464cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3f25b3",
  "rgb": {
    "r": 63,
    "g": 37,
    "b": 179
  },
  "hsl": {
    "h": 250.986,
    "s": 65.741,
    "l": 42.353
  },
  "oklch": {
    "l": 0.4061,
    "c": 0.20612,
    "h": 280.4
  },
  "luminance": 0.05635
}

Semantic roles & 50–950 ramp

primary

#3F25B3

secondary

#B7C86B

accent

#E93FCA

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3F25B3

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

Preview Lab → · Contrast checker → · Palette generator →