#311D92#311D92

#311D92 is a dark, vivid violet. Relative luminance 0.036; OKLCH L 35.0% C 0.177 H 279.9°. Best body text is #FFFFFF at 12.20:1 contrast (WCAG AA passes).

Color values

HEX	#311D92
RGB	rgb(49, 29, 146)
HSL	hsl(250, 67%, 34%)
HSV	hsv(250, 80%, 57%)
CMYK	cmyk(66.4%, 80.1%, 0%, 42.7%)
CIE-LAB	lab(22.33, 43.31, -60.38)
CIE-LCH	lch(22.33, 74.30, 305.65°)
OKLab	oklab(34.97% 0.0303 -0.1743)
OKLCH	oklch(34.97% 0.177 279.9)
XYZ	xyz(6.8926, 3.6065, 27.5214)
Luminance	0.0361 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311D92 #7E921D

analogous

#1D4492 #311D92 #6C1D92

triadic

#311D92 #92311D #1D9231

tetradic

#311D92 #921D44 #7E921D #1D926C

square

#311D92 #921D44 #7E921D #1D926C

split-complementary

#311D92 #926C1D #44921D

monochromatic

#0F092C #20135F #311D92 #4227C5 #664EDC

Accessibility & contrast

On white

12.20

#311D92 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#311D92 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311D92

12.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311D92	#FFFFFF	#000000	##FFFFFF
##311D92	1.00	12.20	1.72	12.20
#FFFFFF	12.20	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A95

Deuteranopia (green-blind)

#003190

Tritanopia (blue-blind)

#004057

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #311d92;
/* rgb */ color: rgb(49, 29, 146);
/* oklch */ color: oklch(35.0% 0.177 279.9);

Tailwind

colors: {
  custom: {
    50: '#775db3',
    500: '#311d92',
    950: '#000000',
  },
}

SCSS

$custom: #311d92;
$custom-light: #775db3;
$custom-dark: #000000;

JSON

{
  "hex": "#311d92",
  "rgb": {
    "r": 49,
    "g": 29,
    "b": 146
  },
  "hsl": {
    "h": 250.256,
    "s": 66.857,
    "l": 34.314
  },
  "oklch": {
    "l": 0.3497,
    "c": 0.17692,
    "h": 279.9
  },
  "luminance": 0.03607
}

Semantic roles & 50–950 ramp

primary

#311D92

secondary

#ABBE4C

accent

#EA3ECC

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #311D92

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

Preview Lab → · Contrast checker → · Palette generator →