#311D4F#311D4F

#311D4F is a dark, moderate violet. Relative luminance 0.021; OKLCH L 28.5% C 0.089 H 299.1°. Best body text is #FFFFFF at 14.80:1 contrast (WCAG AA passes).

Color values

HEX	#311D4F
RGB	rgb(49, 29, 79)
HSL	hsl(264, 46%, 21%)
HSV	hsv(264, 63%, 31%)
CMYK	cmyk(38%, 63.3%, 0%, 69%)
CIE-LAB	lab(15.98, 22.18, -27.33)
CIE-LCH	lch(15.98, 35.20, 309.06°)
OKLab	oklab(28.51% 0.0432 -0.0775)
OKLCH	oklch(28.51% 0.089 299.1)
XYZ	xyz(3.1169, 2.0962, 7.6360)
Luminance	0.0210 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311D4F #3B4F1D

analogous

#1D224F #311D4F #4A1D4F

triadic

#311D4F #4F311D #1D4F31

tetradic

#311D4F #4F1D22 #3B4F1D #1D4F4A

square

#311D4F #4F1D22 #3B4F1D #1D4F4A

split-complementary

#311D4F #4F4A1D #224F1D

monochromatic

#0E0816 #150D22 #311D4F #4D2D7C #693EA9

Accessibility & contrast

On white

14.80

#311D4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#311D4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311D4F

14.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311D4F	#FFFFFF	#000000	##FFFFFF
##311D4F	1.00	14.80	1.42	14.80
#FFFFFF	14.80	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#052851

Deuteranopia (green-blind)

#0D274E

Tritanopia (blue-blind)

#2A2732

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #311d4f;
/* rgb */ color: rgb(49, 29, 79);
/* oklch */ color: oklch(28.5% 0.089 299.1);

Tailwind

colors: {
  custom: {
    50: '#6b5a81',
    500: '#311d4f',
    950: '#000000',
  },
}

SCSS

$custom: #311d4f;
$custom-light: #6b5a81;
$custom-dark: #000000;

JSON

{
  "hex": "#311d4f",
  "rgb": {
    "r": 49,
    "g": 29,
    "b": 79
  },
  "hsl": {
    "h": 264,
    "s": 46.296,
    "l": 21.176
  },
  "oklch": {
    "l": 0.2851,
    "c": 0.0887,
    "h": 299.1
  },
  "luminance": 0.02096
}

Semantic roles & 50–950 ramp

primary

#311D4F

secondary

#6A8444

accent

#D652A1

background

#F6F5F7

surface

#EBE9EE

border

#C6C5C9

text

#07030A

muted

#7A787C

Preview Lab

Preview with #311D4F

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

Preview Lab → · Contrast checker → · Palette generator →