#311783#311783

#311783 is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.6% C 0.164 H 283.5°. Best body text is #FFFFFF at 13.28:1 contrast (WCAG AA passes).

Color values

HEX	#311783
RGB	rgb(49, 23, 131)
HSL	hsl(254, 70%, 30%)
HSV	hsv(254, 82%, 51%)
CMYK	cmyk(62.6%, 82.4%, 0%, 48.6%)
CIE-LAB	lab(19.66, 41.66, -55.40)
CIE-LCH	lch(19.66, 69.32, 306.94°)
OKLab	oklab(32.62% 0.0385 -0.1597)
OKLCH	oklch(32.62% 0.164 283.5)
XYZ	xyz(5.6685, 2.9041, 21.7302)
Luminance	0.0290 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311783 #698317

analogous

#173383 #311783 #671783

triadic

#311783 #833117 #178331

tetradic

#311783 #831733 #698317 #178367

square

#311783 #831733 #698317 #178367

split-complementary

#311783 #836717 #338317

monochromatic

#0A051B #1E0E4F #311783 #4420B7 #6038DC

Accessibility & contrast

On white

13.28

#311783 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#311783 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311783

13.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311783	#FFFFFF	#000000	##FFFFFF
##311783	1.00	13.28	1.58	13.28
#FFFFFF	13.28	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003386

Deuteranopia (green-blind)

#002C81

Tritanopia (blue-blind)

#00384D

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #311783;
/* rgb */ color: rgb(49, 23, 131);
/* oklch */ color: oklch(32.6% 0.164 283.5);

Tailwind

colors: {
  custom: {
    50: '#7559a8',
    500: '#311783',
    950: '#000000',
  },
}

SCSS

$custom: #311783;
$custom-light: #7559a8;
$custom-dark: #000000;

JSON

{
  "hex": "#311783",
  "rgb": {
    "r": 49,
    "g": 23,
    "b": 131
  },
  "hsl": {
    "h": 254.444,
    "s": 70.13,
    "l": 30.196
  },
  "oklch": {
    "l": 0.32623,
    "c": 0.1643,
    "h": 283.5
  },
  "luminance": 0.02904
}

Semantic roles & 50–950 ramp

primary

#311783

secondary

#9AB73F

accent

#ED3BC2

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #311783

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

Preview Lab → · Contrast checker → · Palette generator →