#311155#311155

#311155 is a dark, moderate violet. Relative luminance 0.017; OKLCH L 27.2% C 0.115 H 300.1°. Best body text is #FFFFFF at 15.65:1 contrast (WCAG AA passes).

Color values

HEX	#311155
RGB	rgb(49, 17, 85)
HSL	hsl(268, 67%, 20%)
HSV	hsv(268, 80%, 33%)
CMYK	cmyk(42.4%, 80%, 0%, 66.7%)
CIE-LAB	lab(13.88, 31.05, -34.81)
CIE-LCH	lch(13.88, 46.65, 311.73°)
OKLab	oklab(27.16% 0.0577 -0.0994)
OKLCH	oklch(27.16% 0.115 300.1)
XYZ	xyz(3.1064, 1.7097, 8.7589)
Luminance	0.0171 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.50

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311155 #355511

analogous

#111355 #311155 #531155

triadic

#311155 #553111 #115531

tetradic

#311155 #551113 #355511 #115553

square

#311155 #551113 #355511 #115553

split-complementary

#311155 #555311 #135511

monochromatic

#0F051A #140722 #311155 #4E1B88 #6C25BB

Accessibility & contrast

On white

15.65

#311155 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#311155 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311155

15.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311155	#FFFFFF	#000000	##FFFFFF
##311155	1.00	15.65	1.34	15.65
#FFFFFF	15.65	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002357

Deuteranopia (green-blind)

#002354

Tritanopia (blue-blind)

#292232

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #311155;
/* rgb */ color: rgb(49, 17, 85);
/* oklch */ color: oklch(27.2% 0.115 300.1);

Tailwind

colors: {
  custom: {
    50: '#6d5285',
    500: '#311155',
    950: '#000000',
  },
}

SCSS

$custom: #311155;
$custom-light: #6d5285;
$custom-dark: #000000;

JSON

{
  "hex": "#311155",
  "rgb": {
    "r": 49,
    "g": 17,
    "b": 85
  },
  "hsl": {
    "h": 268.235,
    "s": 66.667,
    "l": 20
  },
  "oklch": {
    "l": 0.27155,
    "c": 0.11495,
    "h": 300.1
  },
  "luminance": 0.0171
}

Semantic roles & 50–950 ramp

primary

#311155

secondary

#648E34

accent

#EA3E99

background

#F6F4F8

surface

#ECE7EF

border

#C7C3CA

text

#07020B

muted

#7A787C

Preview Lab

Preview with #311155

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

Preview Lab → · Contrast checker → · Palette generator →