#3F24B4#3F24B4

#3F24B4 is a dark, highly saturated violet. Relative luminance 0.056; OKLCH L 40.6% C 0.208 H 280.3°. Best body text is #FFFFFF at 9.89:1 contrast (WCAG AA passes).

Color values

HEX	#3F24B4
RGB	rgb(63, 36, 180)
HSL	hsl(251, 67%, 42%)
HSV	hsv(251, 80%, 71%)
CMYK	cmyk(65%, 80%, 0%, 29.4%)
CIE-LAB	lab(28.41, 51.60, -70.93)
CIE-LCH	lch(28.41, 87.71, 306.04°)
OKLab	oklab(40.6% 0.0373 -0.2047)
OKLCH	oklch(40.6% 0.208 280.3)
XYZ	xyz(10.9164, 5.6129, 43.6793)
Luminance	0.0561 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F24B4 #99B424

analogous

#2451B4 #3F24B4 #8724B4

triadic

#3F24B4 #B43F24 #24B43F

tetradic

#3F24B4 #B42451 #99B424 #24B487

square

#3F24B4 #B42451 #99B424 #24B487

split-complementary

#3F24B4 #B48724 #51B424

monochromatic

#1B104E #2D1A81 #3F24B4 #5A3DD8 #8570E2

Accessibility & contrast

On white

9.89

#3F24B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#3F24B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F24B4

9.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F24B4	#FFFFFF	#000000	##FFFFFF
##3F24B4	1.00	9.89	2.12	9.89
#FFFFFF	9.89	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B8

Deuteranopia (green-blind)

#003EB1

Tritanopia (blue-blind)

#00506C

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3f24b4;
/* rgb */ color: rgb(63, 36, 180);
/* oklch */ color: oklch(40.6% 0.208 280.3);

Tailwind

colors: {
  custom: {
    50: '#8464cc',
    500: '#3f24b4',
    950: '#000000',
  },
}

SCSS

$custom: #3f24b4;
$custom-light: #8464cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3f24b4",
  "rgb": {
    "r": 63,
    "g": 36,
    "b": 180
  },
  "hsl": {
    "h": 251.25,
    "s": 66.667,
    "l": 42.353
  },
  "oklch": {
    "l": 0.40603,
    "c": 0.20812,
    "h": 280.3
  },
  "luminance": 0.05614
}

Semantic roles & 50–950 ramp

primary

#3F24B4

secondary

#B7C96B

accent

#EA3EC9

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3F24B4

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

Preview Lab → · Contrast checker → · Palette generator →