#3F23B0#3F23B0

#3F23B0 is a dark, highly saturated violet. Relative luminance 0.054; OKLCH L 40.1% C 0.204 H 281.0°. Best body text is #FFFFFF at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#3F23B0
RGB	rgb(63, 35, 176)
HSL	hsl(252, 67%, 41%)
HSV	hsv(252, 80%, 69%)
CMYK	cmyk(64.2%, 80.1%, 0%, 31%)
CIE-LAB	lab(27.83, 50.90, -69.51)
CIE-LCH	lch(27.83, 86.15, 306.21°)
OKLab	oklab(40.07% 0.0391 -0.2006)
OKLCH	oklch(40.07% 0.204 281)
XYZ	xyz(10.4849, 5.3926, 41.5542)
Luminance	0.0539 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F23B0 #94B023

analogous

#234EB0 #3F23B0 #8623B0

triadic

#3F23B0 #B03F23 #23B03F

tetradic

#3F23B0 #B0234E #94B023 #23B086

square

#3F23B0 #B0234E #94B023 #23B086

split-complementary

#3F23B0 #B08623 #4EB023

monochromatic

#1A0F4A #2D197D #3F23B0 #5839D8 #836CE2

Accessibility & contrast

On white

10.10

#3F23B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#3F23B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F23B0

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F23B0	#FFFFFF	#000000	##FFFFFF
##3F23B0	1.00	10.10	2.08	10.10
#FFFFFF	10.10	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046B4

Deuteranopia (green-blind)

#003CAE

Tritanopia (blue-blind)

#004E6A

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3f23b0;
/* rgb */ color: rgb(63, 35, 176);
/* oklch */ color: oklch(40.1% 0.204 281.0);

Tailwind

colors: {
  custom: {
    50: '#8363c9',
    500: '#3f23b0',
    950: '#000000',
  },
}

SCSS

$custom: #3f23b0;
$custom-light: #8363c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f23b0",
  "rgb": {
    "r": 63,
    "g": 35,
    "b": 176
  },
  "hsl": {
    "h": 251.915,
    "s": 66.825,
    "l": 41.373
  },
  "oklch": {
    "l": 0.40068,
    "c": 0.20437,
    "h": 281
  },
  "luminance": 0.05393
}

Semantic roles & 50–950 ramp

primary

#3F23B0

secondary

#B5C867

accent

#EA3EC8

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0513

muted

#7D7A82

Preview Lab

Preview with #3F23B0

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

Preview Lab → · Contrast checker → · Palette generator →