#311666#311666

#311666 is a dark, vivid violet. Relative luminance 0.022; OKLCH L 29.5% C 0.130 H 291.8°. Best body text is #FFFFFF at 14.61:1 contrast (WCAG AA passes).

Color values

HEX	#311666
RGB	rgb(49, 22, 102)
HSL	hsl(260, 65%, 24%)
HSV	hsv(260, 78%, 40%)
CMYK	cmyk(52%, 78.4%, 0%, 60%)
CIE-LAB	lab(16.43, 33.40, -42.01)
CIE-LCH	lch(16.43, 53.67, 308.49°)
OKLab	oklab(29.46% 0.0482 -0.1206)
OKLCH	oklch(29.46% 0.13 291.8)
XYZ	xyz(3.9511, 2.1859, 12.7815)
Luminance	0.0219 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311666 #4B6616

analogous

#162366 #311666 #591666

triadic

#311666 #663116 #166631

tetradic

#311666 #661623 #4B6616 #166659

square

#311666 #661623 #4B6616 #166659

split-complementary

#311666 #665916 #236616

monochromatic

#0C0519 #190B34 #311666 #492198 #612CCB

Accessibility & contrast

On white

14.61

#311666 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#311666 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311666

14.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311666	#FFFFFF	#000000	##FFFFFF
##311666	1.00	14.61	1.44	14.61
#FFFFFF	14.61	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A68

Deuteranopia (green-blind)

#002764

Tritanopia (blue-blind)

#202C3D

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #311666;
/* rgb */ color: rgb(49, 22, 102);
/* oklch */ color: oklch(29.5% 0.130 291.8);

Tailwind

colors: {
  custom: {
    50: '#6f5692',
    500: '#311666',
    950: '#000000',
  },
}

SCSS

$custom: #311666;
$custom-light: #6f5692;
$custom-dark: #000000;

JSON

{
  "hex": "#311666",
  "rgb": {
    "r": 49,
    "g": 22,
    "b": 102
  },
  "hsl": {
    "h": 260.25,
    "s": 64.516,
    "l": 24.314
  },
  "oklch": {
    "l": 0.29455,
    "c": 0.12985,
    "h": 291.8
  },
  "luminance": 0.02186
}

Semantic roles & 50–950 ramp

primary

#311666

secondary

#7C9D3B

accent

#E840AF

background

#F7F5F9

surface

#EDE9F1

border

#C8C5CB

text

#08030D

muted

#7B787E

Preview Lab

Preview with #311666

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

Preview Lab → · Contrast checker → · Palette generator →