#311569#311569

#311569 is a dark, vivid violet. Relative luminance 0.022; OKLCH L 29.6% C 0.135 H 291.0°. Best body text is #FFFFFF at 14.57:1 contrast (WCAG AA passes).

Color values

HEX	#311569
RGB	rgb(49, 21, 105)
HSL	hsl(260, 67%, 25%)
HSV	hsv(260, 80%, 41%)
CMYK	cmyk(53.3%, 80%, 0%, 58.8%)
CIE-LAB	lab(16.55, 34.83, -43.79)
CIE-LCH	lch(16.55, 55.95, 308.50°)
OKLab	oklab(29.63% 0.0483 -0.1258)
OKLCH	oklch(29.63% 0.135 291)
XYZ	xyz(4.0839, 2.2091, 13.5731)
Luminance	0.0221 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 5.77

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311569 #4D6915

analogous

#152369 #311569 #5B1569

triadic

#311569 #693115 #156931

tetradic

#311569 #691523 #4D6915 #15695B

square

#311569 #691523 #4D6915 #15695B

split-complementary

#311569 #695B15 #236915

monochromatic

#0C051A #190B36 #311569 #491F9C #6129CF

Accessibility & contrast

On white

14.57

#311569 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#311569 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311569

14.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311569	#FFFFFF	#000000	##FFFFFF
##311569	1.00	14.57	1.44	14.57
#FFFFFF	14.57	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A6B

Deuteranopia (green-blind)

#002767

Tritanopia (blue-blind)

#1E2C3E

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #311569;
/* rgb */ color: rgb(49, 21, 105);
/* oklch */ color: oklch(29.6% 0.135 291.0);

Tailwind

colors: {
  custom: {
    50: '#705695',
    500: '#311569',
    950: '#000000',
  },
}

SCSS

$custom: #311569;
$custom-light: #705695;
$custom-dark: #000000;

JSON

{
  "hex": "#311569",
  "rgb": {
    "r": 49,
    "g": 21,
    "b": 105
  },
  "hsl": {
    "h": 260,
    "s": 66.667,
    "l": 24.706
  },
  "oklch": {
    "l": 0.29626,
    "c": 0.13472,
    "h": 291
  },
  "luminance": 0.02209
}

Semantic roles & 50–950 ramp

primary

#311569

secondary

#7EA03A

accent

#EA3EB0

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08030D

muted

#7B787E

Preview Lab

Preview with #311569

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

Preview Lab → · Contrast checker → · Palette generator →