#311553#311553

#311553 is a dark, moderate violet. Relative luminance 0.018; OKLCH L 27.5% C 0.107 H 300.1°. Best body text is #FFFFFF at 15.41:1 contrast (WCAG AA passes).

Color values

HEX	#311553
RGB	rgb(49, 21, 83)
HSL	hsl(267, 60%, 20%)
HSV	hsv(267, 75%, 33%)
CMYK	cmyk(41%, 74.7%, 0%, 67.5%)
CIE-LAB	lab(14.48, 28.31, -32.49)
CIE-LCH	lch(14.48, 43.09, 311.07°)
OKLab	oklab(27.52% 0.0536 -0.0926)
OKLCH	oklch(27.52% 0.107 300.1)
XYZ	xyz(3.0957, 1.8138, 8.3689)
Luminance	0.0181 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311553 #375315

analogous

#151853 #311553 #501553

triadic

#311553 #533115 #155331

tetradic

#311553 #531518 #375315 #155350

square

#311553 #531518 #375315 #155350

split-complementary

#311553 #535015 #185315

monochromatic

#0E0618 #140922 #311553 #4E2184 #6B2EB5

Accessibility & contrast

On white

15.41

#311553 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#311553 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311553

15.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311553	#FFFFFF	#000000	##FFFFFF
##311553	1.00	15.41	1.36	15.41
#FFFFFF	15.41	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002455

Deuteranopia (green-blind)

#002452

Tritanopia (blue-blind)

#292432

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #311553;
/* rgb */ color: rgb(49, 21, 83);
/* oklch */ color: oklch(27.5% 0.107 300.1);

Tailwind

colors: {
  custom: {
    50: '#6d5584',
    500: '#311553',
    950: '#000000',
  },
}

SCSS

$custom: #311553;
$custom-light: #6d5584;
$custom-dark: #000000;

JSON

{
  "hex": "#311553",
  "rgb": {
    "r": 49,
    "g": 21,
    "b": 83
  },
  "hsl": {
    "h": 267.097,
    "s": 59.615,
    "l": 20.392
  },
  "oklch": {
    "l": 0.27521,
    "c": 0.10699,
    "h": 300.1
  },
  "luminance": 0.01814
}

Semantic roles & 50–950 ramp

primary

#311553

secondary

#668B39

accent

#E3459C

background

#F6F5F8

surface

#ECE9EF

border

#C7C5CA

text

#07030B

muted

#7A787C

Preview Lab

Preview with #311553

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

Preview Lab → · Contrast checker → · Palette generator →