#311784#311784

#311784 is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.7% C 0.166 H 283.3°. Best body text is #FFFFFF at 13.24:1 contrast (WCAG AA passes).

Color values

HEX	#311784
RGB	rgb(49, 23, 132)
HSL	hsl(254, 70%, 30%)
HSV	hsv(254, 83%, 52%)
CMYK	cmyk(62.9%, 82.6%, 0%, 48.2%)
CIE-LAB	lab(19.77, 41.96, -55.85)
CIE-LCH	lch(19.77, 69.86, 306.92°)
OKLab	oklab(32.73% 0.0381 -0.161)
OKLCH	oklch(32.73% 0.166 283.3)
XYZ	xyz(5.7366, 2.9313, 22.0888)
Luminance	0.0293 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311784 #6A8417

analogous

#173384 #311784 #671784

triadic

#311784 #843117 #178431

tetradic

#311784 #841733 #6A8417 #178467

square

#311784 #841733 #6A8417 #178467

split-complementary

#311784 #846717 #338417

monochromatic

#0A051C #1E0E50 #311784 #4420B8 #6039DC

Accessibility & contrast

On white

13.24

#311784 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#311784 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311784

13.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311784	#FFFFFF	#000000	##FFFFFF
##311784	1.00	13.24	1.59	13.24
#FFFFFF	13.24	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003387

Deuteranopia (green-blind)

#002C82

Tritanopia (blue-blind)

#00384E

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #311784;
/* rgb */ color: rgb(49, 23, 132);
/* oklch */ color: oklch(32.7% 0.166 283.3);

Tailwind

colors: {
  custom: {
    50: '#7559a9',
    500: '#311784',
    950: '#000000',
  },
}

SCSS

$custom: #311784;
$custom-light: #7559a9;
$custom-dark: #000000;

JSON

{
  "hex": "#311784",
  "rgb": {
    "r": 49,
    "g": 23,
    "b": 132
  },
  "hsl": {
    "h": 254.312,
    "s": 70.323,
    "l": 30.392
  },
  "oklch": {
    "l": 0.32733,
    "c": 0.1655,
    "h": 283.3
  },
  "luminance": 0.02932
}

Semantic roles & 50–950 ramp

primary

#311784

secondary

#9BB83F

accent

#ED3BC3

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #311784

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

Preview Lab → · Contrast checker → · Palette generator →