#311F52#311F52

#311F52 is a dark, moderate violet. Relative luminance 0.022; OKLCH L 29.1% C 0.090 H 296.7°. Best body text is #FFFFFF at 14.50:1 contrast (WCAG AA passes).

Color values

HEX	#311F52
RGB	rgb(49, 31, 82)
HSL	hsl(261, 45%, 22%)
HSV	hsv(261, 62%, 32%)
CMYK	cmyk(40.2%, 62.2%, 0%, 67.8%)
CIE-LAB	lab(16.71, 21.78, -28.20)
CIE-LCH	lch(16.71, 35.64, 307.68°)
OKLab	oklab(29.11% 0.0403 -0.08)
OKLCH	oklch(29.11% 0.09 296.7)
XYZ	xyz(3.2792, 2.2421, 8.2410)
Luminance	0.0224 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311F52 #40521F

analogous

#1F2752 #311F52 #4B1F52

triadic

#311F52 #52311F #1F5231

tetradic

#311F52 #521F27 #40521F #1F524B

square

#311F52 #521F27 #40521F #1F524B

split-complementary

#311F52 #524B1F #27521F

monochromatic

#0D0816 #160E26 #311F52 #4C307E #6641AB

Accessibility & contrast

On white

14.50

#311F52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#311F52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311F52

14.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311F52	#FFFFFF	#000000	##FFFFFF
##311F52	1.00	14.50	1.45	14.50
#FFFFFF	14.50	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#062A54

Deuteranopia (green-blind)

#0C2951

Tritanopia (blue-blind)

#292A35

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #311f52;
/* rgb */ color: rgb(49, 31, 82);
/* oklch */ color: oklch(29.1% 0.090 296.7);

Tailwind

colors: {
  custom: {
    50: '#6c5b83',
    500: '#311f52',
    950: '#000000',
  },
}

SCSS

$custom: #311f52;
$custom-light: #6c5b83;
$custom-dark: #000000;

JSON

{
  "hex": "#311f52",
  "rgb": {
    "r": 49,
    "g": 31,
    "b": 82
  },
  "hsl": {
    "h": 261.176,
    "s": 45.133,
    "l": 22.157
  },
  "oklch": {
    "l": 0.29114,
    "c": 0.0896,
    "h": 296.7
  },
  "luminance": 0.02242
}

Semantic roles & 50–950 ramp

primary

#311F52

secondary

#708746

accent

#D553A7

background

#F6F5F8

surface

#EBE9EF

border

#C6C5CA

text

#07040A

muted

#7A797C

Preview Lab

Preview with #311F52

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

Preview Lab → · Contrast checker → · Palette generator →