#3F23A9#3F23A9

#3F23A9 is a dark, vivid violet. Relative luminance 0.051; OKLCH L 39.3% C 0.196 H 282.1°. Best body text is #FFFFFF at 10.37:1 contrast (WCAG AA passes).

Color values

HEX	#3F23A9
RGB	rgb(63, 35, 169)
HSL	hsl(253, 66%, 40%)
HSV	hsv(253, 79%, 66%)
CMYK	cmyk(62.7%, 79.3%, 0%, 33.7%)
CIE-LAB	lab(27.08, 48.84, -66.53)
CIE-LCH	lch(27.08, 82.54, 306.28°)
OKLab	oklab(39.33% 0.0412 -0.1919)
OKLCH	oklch(39.33% 0.196 282.1)
XYZ	xyz(9.8101, 5.1227, 38.0002)
Luminance	0.0512 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F23A9 #8DA923

analogous

#234AA9 #3F23A9 #8223A9

triadic

#3F23A9 #A93F23 #23A93F

tetradic

#3F23A9 #A9234A #8DA923 #23A982

square

#3F23A9 #A9234A #8DA923 #23A982

split-complementary

#3F23A9 #A98223 #4AA923

monochromatic

#190E44 #2C1976 #3F23A9 #5634D5 #8067DF

Accessibility & contrast

On white

10.37

#3F23A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#3F23A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F23A9

10.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F23A9	#FFFFFF	#000000	##FFFFFF
##3F23A9	1.00	10.37	2.02	10.37
#FFFFFF	10.37	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044AD

Deuteranopia (green-blind)

#003BA7

Tritanopia (blue-blind)

#004B66

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #3f23a9;
/* rgb */ color: rgb(63, 35, 169);
/* oklch */ color: oklch(39.3% 0.196 282.1);

Tailwind

colors: {
  custom: {
    50: '#8262c4',
    500: '#3f23a9',
    950: '#000000',
  },
}

SCSS

$custom: #3f23a9;
$custom-light: #8262c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3f23a9",
  "rgb": {
    "r": 63,
    "g": 35,
    "b": 169
  },
  "hsl": {
    "h": 252.537,
    "s": 65.686,
    "l": 40
  },
  "oklch": {
    "l": 0.3933,
    "c": 0.19629,
    "h": 282.1
  },
  "luminance": 0.05123
}

Semantic roles & 50–950 ramp

primary

#3F23A9

secondary

#B1C563

accent

#E93FC5

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0513

muted

#7D7A82

Preview Lab

Preview with #3F23A9

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

Preview Lab → · Contrast checker → · Palette generator →