#311684#311684

#311684 is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.6% C 0.166 H 283.5°. Best body text is #FFFFFF at 13.30:1 contrast (WCAG AA passes).

Color values

HEX	#311684
RGB	rgb(49, 22, 132)
HSL	hsl(255, 71%, 30%)
HSV	hsv(255, 83%, 52%)
CMYK	cmyk(62.9%, 83.3%, 0%, 48.2%)
CIE-LAB	lab(19.61, 42.43, -56.11)
CIE-LCH	lch(19.61, 70.35, 307.09°)
OKLab	oklab(32.62% 0.0387 -0.1618)
OKLCH	oklch(32.62% 0.166 283.5)
XYZ	xyz(5.7171, 2.8923, 22.0823)
Luminance	0.0289 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311684 #698416

analogous

#163284 #311684 #681684

triadic

#311684 #843116 #168431

tetradic

#311684 #841632 #698416 #168468

square

#311684 #841632 #698416 #168468

split-complementary

#311684 #846816 #328416

monochromatic

#0A051B #1E0D50 #311684 #441FB8 #6037DE

Accessibility & contrast

On white

13.30

#311684 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#311684 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311684

13.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311684	#FFFFFF	#000000	##FFFFFF
##311684	1.00	13.30	1.58	13.30
#FFFFFF	13.30	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003387

Deuteranopia (green-blind)

#002C82

Tritanopia (blue-blind)

#00384E

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #311684;
/* rgb */ color: rgb(49, 22, 132);
/* oklch */ color: oklch(32.6% 0.166 283.5);

Tailwind

colors: {
  custom: {
    50: '#7558a9',
    500: '#311684',
    950: '#000000',
  },
}

SCSS

$custom: #311684;
$custom-light: #7558a9;
$custom-dark: #000000;

JSON

{
  "hex": "#311684",
  "rgb": {
    "r": 49,
    "g": 22,
    "b": 132
  },
  "hsl": {
    "h": 254.727,
    "s": 71.429,
    "l": 30.196
  },
  "oklch": {
    "l": 0.32622,
    "c": 0.16636,
    "h": 283.5
  },
  "luminance": 0.02893
}

Semantic roles & 50–950 ramp

primary

#311684

secondary

#9AB83D

accent

#EE3AC2

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #311684

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

Preview Lab → · Contrast checker → · Palette generator →