#311683#311683

#311683 is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.5% C 0.165 H 283.7°. Best body text is #FFFFFF at 13.35:1 contrast (WCAG AA passes).

Color values

HEX	#311683
RGB	rgb(49, 22, 131)
HSL	hsl(255, 71%, 30%)
HSV	hsv(255, 83%, 51%)
CMYK	cmyk(62.6%, 83.2%, 0%, 48.6%)
CIE-LAB	lab(19.50, 42.13, -55.67)
CIE-LCH	lch(19.50, 69.81, 307.12°)
OKLab	oklab(32.51% 0.039 -0.1605)
OKLCH	oklch(32.51% 0.165 283.7)
XYZ	xyz(5.6490, 2.8651, 21.7237)
Luminance	0.0286 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311683 #688316

analogous

#163283 #311683 #671683

triadic

#311683 #833116 #168331

tetradic

#311683 #831632 #688316 #168367

square

#311683 #831632 #688316 #168367

split-complementary

#311683 #836716 #328316

monochromatic

#0A041A #1D0D4F #311683 #451FB7 #6036DD

Accessibility & contrast

On white

13.35

#311683 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#311683 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311683

13.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311683	#FFFFFF	#000000	##FFFFFF
##311683	1.00	13.35	1.57	13.35
#FFFFFF	13.35	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003286

Deuteranopia (green-blind)

#002C81

Tritanopia (blue-blind)

#00374D

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #311683;
/* rgb */ color: rgb(49, 22, 131);
/* oklch */ color: oklch(32.5% 0.165 283.7);

Tailwind

colors: {
  custom: {
    50: '#7558a8',
    500: '#311683',
    950: '#000000',
  },
}

SCSS

$custom: #311683;
$custom-light: #7558a8;
$custom-dark: #000000;

JSON

{
  "hex": "#311683",
  "rgb": {
    "r": 49,
    "g": 22,
    "b": 131
  },
  "hsl": {
    "h": 254.862,
    "s": 71.242,
    "l": 30
  },
  "oklch": {
    "l": 0.32512,
    "c": 0.16518,
    "h": 283.7
  },
  "luminance": 0.02865
}

Semantic roles & 50–950 ramp

primary

#311683

secondary

#99B73D

accent

#EE3AC1

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #311683

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

Preview Lab → · Contrast checker → · Palette generator →