#311357#311357

#311357 is a dark, moderate violet. Relative luminance 0.018; OKLCH L 27.6% C 0.115 H 298.7°. Best body text is #FFFFFF at 15.43:1 contrast (WCAG AA passes).

Color values

HEX	#311357
RGB	rgb(49, 19, 87)
HSL	hsl(266, 64%, 21%)
HSV	hsv(266, 78%, 34%)
CMYK	cmyk(43.7%, 78.2%, 0%, 65.9%)
CIE-LAB	lab(14.44, 30.57, -35.26)
CIE-LCH	lch(14.44, 46.67, 310.93°)
OKLab	oklab(27.61% 0.0551 -0.1007)
OKLCH	oklch(27.61% 0.115 298.7)
XYZ	xyz(3.2194, 1.8068, 9.1941)
Luminance	0.0181 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311357 #395713

analogous

#131757 #311357 #531357

triadic

#311357 #573113 #135731

tetradic

#311357 #571317 #395713 #135753

square

#311357 #571317 #395713 #135753

split-complementary

#311357 #575313 #175713

monochromatic

#0E0519 #150825 #311357 #4D1E89 #6A29BB

Accessibility & contrast

On white

15.43

#311357 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#311357 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311357

15.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311357	#FFFFFF	#000000	##FFFFFF
##311357	1.00	15.43	1.36	15.43
#FFFFFF	15.43	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002559

Deuteranopia (green-blind)

#002456

Tritanopia (blue-blind)

#282433

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #311357;
/* rgb */ color: rgb(49, 19, 87);
/* oklch */ color: oklch(27.6% 0.115 298.7);

Tailwind

colors: {
  custom: {
    50: '#6d5487',
    500: '#311357',
    950: '#000000',
  },
}

SCSS

$custom: #311357;
$custom-light: #6d5487;
$custom-dark: #000000;

JSON

{
  "hex": "#311357",
  "rgb": {
    "r": 49,
    "g": 19,
    "b": 87
  },
  "hsl": {
    "h": 266.471,
    "s": 64.151,
    "l": 20.784
  },
  "oklch": {
    "l": 0.27605,
    "c": 0.11482,
    "h": 298.7
  },
  "luminance": 0.01807
}

Semantic roles & 50–950 ramp

primary

#311357

secondary

#688F36

accent

#E7419E

background

#F6F4F8

surface

#ECE7EF

border

#C7C3CA

text

#07030B

muted

#7A787C

Preview Lab

Preview with #311357

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

Preview Lab → · Contrast checker → · Palette generator →