#3F23B4#3F23B4

#3F23B4 is a dark, highly saturated violet. Relative luminance 0.056; OKLCH L 40.5% C 0.209 H 280.4°. Best body text is #FFFFFF at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#3F23B4
RGB	rgb(63, 35, 180)
HSL	hsl(252, 67%, 42%)
HSV	hsv(252, 81%, 71%)
CMYK	cmyk(65%, 80.6%, 0%, 29.4%)
CIE-LAB	lab(28.26, 52.06, -71.19)
CIE-LCH	lch(28.26, 88.19, 306.18°)
OKLab	oklab(40.49% 0.0379 -0.2055)
OKLCH	oklch(40.49% 0.209 280.4)
XYZ	xyz(10.8865, 5.5533, 43.6694)
Luminance	0.0555 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F23B4 #98B423

analogous

#2350B4 #3F23B4 #8723B4

triadic

#3F23B4 #B43F23 #23B43F

tetradic

#3F23B4 #B42350 #98B423 #23B487

square

#3F23B4 #B42350 #98B423 #23B487

split-complementary

#3F23B4 #B48723 #50B423

monochromatic

#1B0F4E #2D1981 #3F23B4 #5A3BD9 #856EE3

Accessibility & contrast

On white

9.95

#3F23B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#3F23B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F23B4

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F23B4	#FFFFFF	#000000	##FFFFFF
##3F23B4	1.00	9.95	2.11	9.95
#FFFFFF	9.95	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B8

Deuteranopia (green-blind)

#003DB1

Tritanopia (blue-blind)

#004F6C

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3f23b4;
/* rgb */ color: rgb(63, 35, 180);
/* oklch */ color: oklch(40.5% 0.209 280.4);

Tailwind

colors: {
  custom: {
    50: '#8463cc',
    500: '#3f23b4',
    950: '#000000',
  },
}

SCSS

$custom: #3f23b4;
$custom-light: #8463cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3f23b4",
  "rgb": {
    "r": 63,
    "g": 35,
    "b": 180
  },
  "hsl": {
    "h": 251.586,
    "s": 67.442,
    "l": 42.157
  },
  "oklch": {
    "l": 0.40494,
    "c": 0.20895,
    "h": 280.4
  },
  "luminance": 0.05554
}

Semantic roles & 50–950 ramp

primary

#3F23B4

secondary

#B7C969

accent

#EA3DC9

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3F23B4

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

Preview Lab → · Contrast checker → · Palette generator →