#311D50#311D50

#311D50 is a dark, moderate violet. Relative luminance 0.021; OKLCH L 28.6% C 0.090 H 298.6°. Best body text is #FFFFFF at 14.77:1 contrast (WCAG AA passes).

Color values

HEX	#311D50
RGB	rgb(49, 29, 80)
HSL	hsl(264, 47%, 21%)
HSV	hsv(264, 64%, 31%)
CMYK	cmyk(38.8%, 63.7%, 0%, 68.6%)
CIE-LAB	lab(16.06, 22.48, -27.89)
CIE-LCH	lch(16.06, 35.83, 308.87°)
OKLab	oklab(28.59% 0.0432 -0.0791)
OKLCH	oklch(28.59% 0.09 298.6)
XYZ	xyz(3.1536, 2.1108, 7.8291)
Luminance	0.0211 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311D50 #3C501D

analogous

#1D2350 #311D50 #4B1D50

triadic

#311D50 #50311D #1D5031

tetradic

#311D50 #501D23 #3C501D #1D504B

square

#311D50 #501D23 #3C501D #1D504B

split-complementary

#311D50 #504B1D #23501D

monochromatic

#0E0816 #150D23 #311D50 #4D2D7D #683EAA

Accessibility & contrast

On white

14.77

#311D50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#311D50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311D50

14.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311D50	#FFFFFF	#000000	##FFFFFF
##311D50	1.00	14.77	1.42	14.77
#FFFFFF	14.77	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#042852

Deuteranopia (green-blind)

#0C274F

Tritanopia (blue-blind)

#2A2833

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #311d50;
/* rgb */ color: rgb(49, 29, 80);
/* oklch */ color: oklch(28.6% 0.090 298.6);

Tailwind

colors: {
  custom: {
    50: '#6c5a81',
    500: '#311d50',
    950: '#000000',
  },
}

SCSS

$custom: #311d50;
$custom-light: #6c5a81;
$custom-dark: #000000;

JSON

{
  "hex": "#311d50",
  "rgb": {
    "r": 49,
    "g": 29,
    "b": 80
  },
  "hsl": {
    "h": 263.529,
    "s": 46.789,
    "l": 21.373
  },
  "oklch": {
    "l": 0.28589,
    "c": 0.09013,
    "h": 298.6
  },
  "luminance": 0.02111
}

Semantic roles & 50–950 ramp

primary

#311D50

secondary

#6B8544

accent

#D651A2

background

#F6F5F7

surface

#EBE9EE

border

#C6C5C9

text

#07030A

muted

#7A787C

Preview Lab

Preview with #311D50

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

Preview Lab → · Contrast checker → · Palette generator →