#311561#311561

#311561 is a dark, vivid violet. Relative luminance 0.021; OKLCH L 28.8% C 0.125 H 293.9°. Best body text is #FFFFFF at 14.89:1 contrast (WCAG AA passes).

Color values

HEX	#311561
RGB	rgb(49, 21, 97)
HSL	hsl(262, 64%, 23%)
HSV	hsv(262, 78%, 38%)
CMYK	cmyk(49.5%, 78.4%, 0%, 62%)
CIE-LAB	lab(15.76, 32.44, -39.80)
CIE-LCH	lch(15.76, 51.35, 309.18°)
OKLab	oklab(28.83% 0.0505 -0.1141)
OKLCH	oklch(28.83% 0.125 293.9)
XYZ	xyz(3.6919, 2.0523, 11.5085)
Luminance	0.0205 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311561 #456115

analogous

#151F61 #311561 #571561

triadic

#311561 #613115 #156131

tetradic

#311561 #61151F #456115 #156157

square

#311561 #61151F #456115 #156157

split-complementary

#311561 #615715 #1F6115

monochromatic

#0D0519 #180A2F #311561 #4A2093 #642BC6

Accessibility & contrast

On white

14.89

#311561 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#311561 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311561

14.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311561	#FFFFFF	#000000	##FFFFFF
##311561	1.00	14.89	1.41	14.89
#FFFFFF	14.89	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002863

Deuteranopia (green-blind)

#002660

Tritanopia (blue-blind)

#23293A

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #311561;
/* rgb */ color: rgb(49, 21, 97);
/* oklch */ color: oklch(28.8% 0.125 293.9);

Tailwind

colors: {
  custom: {
    50: '#6f558f',
    500: '#311561',
    950: '#000000',
  },
}

SCSS

$custom: #311561;
$custom-light: #6f558f;
$custom-dark: #000000;

JSON

{
  "hex": "#311561",
  "rgb": {
    "r": 49,
    "g": 21,
    "b": 97
  },
  "hsl": {
    "h": 262.105,
    "s": 64.407,
    "l": 23.137
  },
  "oklch": {
    "l": 0.28829,
    "c": 0.12477,
    "h": 293.9
  },
  "luminance": 0.02052
}

Semantic roles & 50–950 ramp

primary

#311561

secondary

#75983A

accent

#E740AA

background

#F6F5F8

surface

#ECE9F0

border

#C7C5CB

text

#08030C

muted

#7B787D

Preview Lab

Preview with #311561

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

Preview Lab → · Contrast checker → · Palette generator →