#311790#311790

#311790 is a dark, vivid violet. Relative luminance 0.033; OKLCH L 34.1% C 0.180 H 280.9°. Best body text is #FFFFFF at 12.68:1 contrast (WCAG AA passes).

Color values

HEX	#311790
RGB	rgb(49, 23, 144)
HSL	hsl(253, 72%, 33%)
HSV	hsv(253, 84%, 56%)
CMYK	cmyk(66%, 84%, 0%, 43.5%)
CIE-LAB	lab(21.13, 45.54, -61.11)
CIE-LCH	lch(21.13, 76.21, 306.69°)
OKLab	oklab(34.07% 0.034 -0.1764)
OKLCH	oklch(34.07% 0.18 280.9)
XYZ	xyz(6.6055, 3.2789, 26.6649)
Luminance	0.0328 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311790 #769017

analogous

#173990 #311790 #6E1790

triadic

#311790 #903117 #179031

tetradic

#311790 #901739 #769017 #17906E

square

#311790 #901739 #769017 #17906E

split-complementary

#311790 #906E17 #399017

monochromatic

#0D0626 #1F0F5B #311790 #431FC5 #6341E1

Accessibility & contrast

On white

12.68

#311790 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#311790 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311790

12.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311790	#FFFFFF	#000000	##FFFFFF
##311790	1.00	12.68	1.66	12.68
#FFFFFF	12.68	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003793

Deuteranopia (green-blind)

#002E8E

Tritanopia (blue-blind)

#003D55

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #311790;
/* rgb */ color: rgb(49, 23, 144);
/* oklch */ color: oklch(34.1% 0.180 280.9);

Tailwind

colors: {
  custom: {
    50: '#775ab2',
    500: '#311790',
    950: '#000000',
  },
}

SCSS

$custom: #311790;
$custom-light: #775ab2;
$custom-dark: #000000;

JSON

{
  "hex": "#311790",
  "rgb": {
    "r": 49,
    "g": 23,
    "b": 144
  },
  "hsl": {
    "h": 252.893,
    "s": 72.455,
    "l": 32.745
  },
  "oklch": {
    "l": 0.34074,
    "c": 0.17963,
    "h": 280.9
  },
  "luminance": 0.03279
}

Semantic roles & 50–950 ramp

primary

#311790

secondary

#A6C142

accent

#EF39C8

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #311790

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

Preview Lab → · Contrast checker → · Palette generator →