#311780#311780

#311780 is a dark, vivid violet. Relative luminance 0.028; OKLCH L 32.3% C 0.161 H 284.2°. Best body text is #FFFFFF at 13.42:1 contrast (WCAG AA passes).

Color values

HEX	#311780
RGB	rgb(49, 23, 128)
HSL	hsl(255, 70%, 30%)
HSV	hsv(255, 82%, 50%)
CMYK	cmyk(61.7%, 82%, 0%, 49.8%)
CIE-LAB	lab(19.32, 40.76, -54.05)
CIE-LCH	lch(19.32, 67.70, 307.02°)
OKLab	oklab(32.3% 0.0395 -0.1558)
OKLCH	oklch(32.3% 0.161 284.2)
XYZ	xyz(5.4681, 2.8239, 20.6748)
Luminance	0.0282 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311780 #668017

analogous

#173280 #311780 #661780

triadic

#311780 #803117 #178031

tetradic

#311780 #801732 #668017 #178066

square

#311780 #801732 #668017 #178066

split-complementary

#311780 #806617 #328017

monochromatic

#0A051A #1D0E4C #311780 #4520B4 #5F36DB

Accessibility & contrast

On white

13.42

#311780 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#311780 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311780

13.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311780	#FFFFFF	#000000	##FFFFFF
##311780	1.00	13.42	1.56	13.42
#FFFFFF	13.42	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003283

Deuteranopia (green-blind)

#002B7E

Tritanopia (blue-blind)

#00364C

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #311780;
/* rgb */ color: rgb(49, 23, 128);
/* oklch */ color: oklch(32.3% 0.161 284.2);

Tailwind

colors: {
  custom: {
    50: '#7458a6',
    500: '#311780',
    950: '#000000',
  },
}

SCSS

$custom: #311780;
$custom-light: #7458a6;
$custom-dark: #000000;

JSON

{
  "hex": "#311780",
  "rgb": {
    "r": 49,
    "g": 23,
    "b": 128
  },
  "hsl": {
    "h": 254.857,
    "s": 69.536,
    "l": 29.608
  },
  "oklch": {
    "l": 0.32295,
    "c": 0.16072,
    "h": 284.2
  },
  "luminance": 0.02824
}

Semantic roles & 50–950 ramp

primary

#311780

secondary

#97B43E

accent

#EC3BC1

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #311780

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

Preview Lab → · Contrast checker → · Palette generator →