#3F25B2#3F25B2

#3F25B2 is a dark, highly saturated violet. Relative luminance 0.056; OKLCH L 40.5% C 0.205 H 280.5°. Best body text is #FFFFFF at 9.91:1 contrast (WCAG AA passes).

Color values

HEX	#3F25B2
RGB	rgb(63, 37, 178)
HSL	hsl(251, 66%, 42%)
HSV	hsv(251, 79%, 70%)
CMYK	cmyk(64.6%, 79.2%, 0%, 30.2%)
CIE-LAB	lab(28.36, 50.55, -69.82)
CIE-LCH	lch(28.36, 86.19, 305.90°)
OKLab	oklab(40.5% 0.0374 -0.2015)
OKLCH	oklch(40.5% 0.205 280.5)
XYZ	xyz(10.7448, 5.5934, 42.6243)
Luminance	0.0559 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F25B2 #98B225

analogous

#2552B2 #3F25B2 #8625B2

triadic

#3F25B2 #B23F25 #25B23F

tetradic

#3F25B2 #B22552 #98B225 #25B286

square

#3F25B2 #B22552 #98B225 #25B286

split-complementary

#3F25B2 #B28625 #52B225

monochromatic

#1B104D #2D1A7F #3F25B2 #5A3DD7 #8570E1

Accessibility & contrast

On white

9.91

#3F25B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#3F25B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F25B2

9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F25B2	#FFFFFF	#000000	##FFFFFF
##3F25B2	1.00	9.91	2.12	9.91
#FFFFFF	9.91	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B6

Deuteranopia (green-blind)

#003EB0

Tritanopia (blue-blind)

#004F6B

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3f25b2;
/* rgb */ color: rgb(63, 37, 178);
/* oklch */ color: oklch(40.5% 0.205 280.5);

Tailwind

colors: {
  custom: {
    50: '#8464ca',
    500: '#3f25b2',
    950: '#000000',
  },
}

SCSS

$custom: #3f25b2;
$custom-light: #8464ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3f25b2",
  "rgb": {
    "r": 63,
    "g": 37,
    "b": 178
  },
  "hsl": {
    "h": 251.064,
    "s": 65.581,
    "l": 42.157
  },
  "oklch": {
    "l": 0.40504,
    "c": 0.20496,
    "h": 280.5
  },
  "luminance": 0.05594
}

Semantic roles & 50–950 ramp

primary

#3F25B2

secondary

#B7C86B

accent

#E93FC9

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3F25B2

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

Preview Lab → · Contrast checker → · Palette generator →