#311557#311557

#311557 is a dark, moderate violet. Relative luminance 0.019; OKLCH L 27.9% C 0.112 H 298.1°. Best body text is #FFFFFF at 15.27:1 contrast (WCAG AA passes).

Color values

HEX	#311557
RGB	rgb(49, 21, 87)
HSL	hsl(265, 61%, 21%)
HSV	hsv(265, 76%, 34%)
CMYK	cmyk(43.7%, 75.9%, 0%, 65.9%)
CIE-LAB	lab(14.83, 29.48, -34.63)
CIE-LCH	lch(14.83, 45.47, 310.41°)
OKLab	oklab(27.88% 0.0529 -0.0989)
OKLCH	oklch(27.88% 0.112 298.1)
XYZ	xyz(3.2546, 1.8774, 9.2059)
Luminance	0.0188 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311557 #3B5715

analogous

#151A57 #311557 #521557

triadic

#311557 #573115 #155731

tetradic

#311557 #57151A #3B5715 #155752

square

#311557 #57151A #3B5715 #155752

split-complementary

#311557 #575215 #1A5715

monochromatic

#0E0619 #150926 #311557 #4D2188 #692DBA

Accessibility & contrast

On white

15.27

#311557 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#311557 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311557

15.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311557	#FFFFFF	#000000	##FFFFFF
##311557	1.00	15.27	1.38	15.27
#FFFFFF	15.27	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002559

Deuteranopia (green-blind)

#002556

Tritanopia (blue-blind)

#282534

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #311557;
/* rgb */ color: rgb(49, 21, 87);
/* oklch */ color: oklch(27.9% 0.112 298.1);

Tailwind

colors: {
  custom: {
    50: '#6d5587',
    500: '#311557',
    950: '#000000',
  },
}

SCSS

$custom: #311557;
$custom-light: #6d5587;
$custom-dark: #000000;

JSON

{
  "hex": "#311557",
  "rgb": {
    "r": 49,
    "g": 21,
    "b": 87
  },
  "hsl": {
    "h": 265.455,
    "s": 61.111,
    "l": 21.176
  },
  "oklch": {
    "l": 0.27883,
    "c": 0.11212,
    "h": 298.1
  },
  "luminance": 0.01877
}

Semantic roles & 50–950 ramp

primary

#311557

secondary

#6A8F39

accent

#E444A0

background

#F6F5F8

surface

#ECE9EF

border

#C7C5CA

text

#07030B

muted

#7A787C

Preview Lab

Preview with #311557

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

Preview Lab → · Contrast checker → · Palette generator →