#331C65#331C65

#331C65 is a dark, vivid violet. Relative luminance 0.025; OKLCH L 30.5% C 0.121 H 292.1°. Best body text is #FFFFFF at 14.05:1 contrast (WCAG AA passes).

Color values

HEX	#331C65
RGB	rgb(51, 28, 101)
HSL	hsl(259, 57%, 25%)
HSV	hsv(259, 72%, 40%)
CMYK	cmyk(49.5%, 72.3%, 0%, 60.4%)
CIE-LAB	lab(17.80, 30.08, -39.11)
CIE-LCH	lch(17.80, 49.34, 307.56°)
OKLab	oklab(30.45% 0.0455 -0.112)
OKLCH	oklch(30.45% 0.121 292.1)
XYZ	xyz(4.1288, 2.4738, 12.5693)
Luminance	0.0247 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331C65 #4E651C

analogous

#1C2A65 #331C65 #571C65

triadic

#331C65 #65331C #1C6533

tetradic

#331C65 #651C2A #4E651C #1C6557

square

#331C65 #651C2A #4E651C #1C6557

split-complementary

#331C65 #65571C #2A651C

monochromatic

#0C0718 #1B0F35 #331C65 #4B2995 #6337C5

Accessibility & contrast

On white

14.05

#331C65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#331C65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331C65

14.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331C65	#FFFFFF	#000000	##FFFFFF
##331C65	1.00	14.05	1.49	14.05
#FFFFFF	14.05	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D67

Deuteranopia (green-blind)

#002A64

Tritanopia (blue-blind)

#242E3E

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #331c65;
/* rgb */ color: rgb(51, 28, 101);
/* oklch */ color: oklch(30.5% 0.121 292.1);

Tailwind

colors: {
  custom: {
    50: '#705a92',
    500: '#331c65',
    950: '#000000',
  },
}

SCSS

$custom: #331c65;
$custom-light: #705a92;
$custom-dark: #000000;

JSON

{
  "hex": "#331c65",
  "rgb": {
    "r": 51,
    "g": 28,
    "b": 101
  },
  "hsl": {
    "h": 258.904,
    "s": 56.589,
    "l": 25.294
  },
  "oklch": {
    "l": 0.30452,
    "c": 0.1209,
    "h": 292.1
  },
  "luminance": 0.02474
}

Semantic roles & 50–950 ramp

primary

#331C65

secondary

#7F9A43

accent

#E048B0

background

#F7F5F9

surface

#EDE9F1

border

#C8C5CB

text

#08040D

muted

#7B797E

Preview Lab

Preview with #331C65

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

Preview Lab → · Contrast checker → · Palette generator →