#311356#311356

#311356 is a dark, moderate violet. Relative luminance 0.018; OKLCH L 27.5% C 0.114 H 299.1°. Best body text is #FFFFFF at 15.46:1 contrast (WCAG AA passes).

Color values

HEX	#311356
RGB	rgb(49, 19, 86)
HSL	hsl(267, 64%, 21%)
HSV	hsv(267, 78%, 34%)
CMYK	cmyk(43%, 77.9%, 0%, 66.3%)
CIE-LAB	lab(14.35, 30.29, -34.73)
CIE-LCH	lch(14.35, 46.08, 311.09°)
OKLab	oklab(27.51% 0.0553 -0.0992)
OKLCH	oklch(27.51% 0.114 299.1)
XYZ	xyz(3.1788, 1.7906, 8.9804)
Luminance	0.0179 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311356 #385613

analogous

#131656 #311356 #521356

triadic

#311356 #563113 #135631

tetradic

#311356 #561316 #385613 #135652

square

#311356 #561316 #385613 #135652

split-complementary

#311356 #565213 #165613

monochromatic

#0E0619 #140824 #311356 #4E1E88 #6A29BA

Accessibility & contrast

On white

15.46

#311356 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#311356 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311356

15.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311356	#FFFFFF	#000000	##FFFFFF
##311356	1.00	15.46	1.36	15.46
#FFFFFF	15.46	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002458

Deuteranopia (green-blind)

#002455

Tritanopia (blue-blind)

#282433

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #311356;
/* rgb */ color: rgb(49, 19, 86);
/* oklch */ color: oklch(27.5% 0.114 299.1);

Tailwind

colors: {
  custom: {
    50: '#6d5486',
    500: '#311356',
    950: '#000000',
  },
}

SCSS

$custom: #311356;
$custom-light: #6d5486;
$custom-dark: #000000;

JSON

{
  "hex": "#311356",
  "rgb": {
    "r": 49,
    "g": 19,
    "b": 86
  },
  "hsl": {
    "h": 266.866,
    "s": 63.81,
    "l": 20.588
  },
  "oklch": {
    "l": 0.27511,
    "c": 0.11357,
    "h": 299.1
  },
  "luminance": 0.01791
}

Semantic roles & 50–950 ramp

primary

#311356

secondary

#678E36

accent

#E7419D

background

#F6F4F8

surface

#ECE7EF

border

#C7C3CA

text

#07030B

muted

#7A787C

Preview Lab

Preview with #311356

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

Preview Lab → · Contrast checker → · Palette generator →