#3F237C#3F237C

#3F237C is a dark, vivid violet. Relative luminance 0.037; OKLCH L 34.9% C 0.142 H 291.8°. Best body text is #FFFFFF at 12.05:1 contrast (WCAG AA passes).

Color values

HEX	#3F237C
RGB	rgb(63, 35, 124)
HSL	hsl(259, 56%, 31%)
HSV	hsv(259, 72%, 49%)
CMYK	cmyk(49.2%, 71.8%, 0%, 51.4%)
CIE-LAB	lab(22.70, 35.40, -45.91)
CIE-LCH	lch(22.70, 57.98, 307.64°)
OKLab	oklab(34.92% 0.0526 -0.1316)
OKLCH	oklch(34.92% 0.142 291.8)
XYZ	xyz(6.2880, 3.7138, 19.4504)
Luminance	0.0371 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F237C #607C23

analogous

#23337C #3F237C #6B237C

triadic

#3F237C #7C3F23 #237C3F

tetradic

#3F237C #7C2333 #607C23 #237C6B

square

#3F237C #7C2333 #607C23 #237C6B

split-complementary

#3F237C #7C6B23 #337C23

monochromatic

#0F081D #27164C #3F237C #5730AC #754DCD

Accessibility & contrast

On white

12.05

#3F237C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#3F237C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F237C

12.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F237C	#FFFFFF	#000000	##FFFFFF
##3F237C	1.00	12.05	1.74	12.05
#FFFFFF	12.05	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00387F

Deuteranopia (green-blind)

#00347A

Tritanopia (blue-blind)

#2C394C

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #3f237c;
/* rgb */ color: rgb(63, 35, 124);
/* oklch */ color: oklch(34.9% 0.142 291.8);

Tailwind

colors: {
  custom: {
    50: '#7a60a3',
    500: '#3f237c',
    950: '#000000',
  },
}

SCSS

$custom: #3f237c;
$custom-light: #7a60a3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f237c",
  "rgb": {
    "r": 63,
    "g": 35,
    "b": 124
  },
  "hsl": {
    "h": 258.876,
    "s": 55.975,
    "l": 31.176
  },
  "oklch": {
    "l": 0.34917,
    "c": 0.14171,
    "h": 291.8
  },
  "luminance": 0.03714
}

Semantic roles & 50–950 ramp

primary

#3F237C

secondary

#90AF4C

accent

#DF49B0

background

#F7F5FA

surface

#EEEAF4

border

#C9C6CE

text

#0A050F

muted

#7C797F

Preview Lab

Preview with #3F237C

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

Preview Lab → · Contrast checker → · Palette generator →