#311688#311688

#311688 is a dark, vivid violet. Relative luminance 0.030; OKLCH L 33.1% C 0.171 H 282.6°. Best body text is #FFFFFF at 13.12:1 contrast (WCAG AA passes).

Color values

HEX	#311688
RGB	rgb(49, 22, 136)
HSL	hsl(254, 72%, 31%)
HSV	hsv(254, 84%, 53%)
CMYK	cmyk(64%, 83.8%, 0%, 46.7%)
CIE-LAB	lab(20.06, 43.61, -57.88)
CIE-LCH	lch(20.06, 72.48, 307.00°)
OKLab	oklab(33.07% 0.0373 -0.167)
OKLCH	oklch(33.07% 0.171 282.6)
XYZ	xyz(5.9961, 3.0039, 23.5516)
Luminance	0.0300 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311688 #6D8816

analogous

#163488 #311688 #6A1688

triadic

#311688 #883116 #168831

tetradic

#311688 #881634 #6D8816 #16886A

square

#311688 #881634 #6D8816 #16886A

split-complementary

#311688 #886A16 #348816

monochromatic

#0B051F #1E0D53 #311688 #441FBD #6139DF

Accessibility & contrast

On white

13.12

#311688 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#311688 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311688

13.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311688	#FFFFFF	#000000	##FFFFFF
##311688	1.00	13.12	1.60	13.12
#FFFFFF	13.12	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00348B

Deuteranopia (green-blind)

#002C86

Tritanopia (blue-blind)

#003950

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #311688;
/* rgb */ color: rgb(49, 22, 136);
/* oklch */ color: oklch(33.1% 0.171 282.6);

Tailwind

colors: {
  custom: {
    50: '#7658ac',
    500: '#311688',
    950: '#000000',
  },
}

SCSS

$custom: #311688;
$custom-light: #7658ac;
$custom-dark: #000000;

JSON

{
  "hex": "#311688",
  "rgb": {
    "r": 49,
    "g": 22,
    "b": 136
  },
  "hsl": {
    "h": 254.211,
    "s": 72.152,
    "l": 30.98
  },
  "oklch": {
    "l": 0.33068,
    "c": 0.17108,
    "h": 282.6
  },
  "luminance": 0.03004
}

Semantic roles & 50–950 ramp

primary

#311688

secondary

#9EBC3E

accent

#EF39C4

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #311688

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

Preview Lab → · Contrast checker → · Palette generator →