#310D52#310D52

#310D52 is a dark, moderate violet. Relative luminance 0.015; OKLCH L 26.4% C 0.116 H 302.6°. Best body text is #FFFFFF at 16.03:1 contrast (WCAG AA passes).

Color values

HEX	#310D52
RGB	rgb(49, 13, 82)
HSL	hsl(271, 73%, 19%)
HSV	hsv(271, 84%, 32%)
CMYK	cmyk(40.2%, 84.1%, 0%, 67.8%)
CIE-LAB	lab(12.92, 32.17, -34.34)
CIE-LCH	lch(12.92, 47.05, 313.13°)
OKLab	oklab(26.39% 0.0626 -0.098)
OKLCH	oklch(26.39% 0.116 302.6)
XYZ	xyz(2.9332, 1.5500, 8.1257)
Luminance	0.0155 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.46

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310D52 #2E520D

analogous

#0E0D52 #310D52 #520D50

triadic

#310D52 #52310D #0D5231

tetradic

#310D52 #520E0D #2E520D #0D5052

square

#310D52 #520E0D #2E520D #0D5052

split-complementary

#310D52 #50520D #0D520E

monochromatic

#10041A #11051D #310D52 #511587 #701EBC

Accessibility & contrast

On white

16.03

#310D52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#310D52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310D52

16.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310D52	#FFFFFF	#000000	##FFFFFF
##310D52	1.00	16.03	1.31	16.03
#FFFFFF	16.03	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002154

Deuteranopia (green-blind)

#002151

Tritanopia (blue-blind)

#2A1F2F

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #310d52;
/* rgb */ color: rgb(49, 13, 82);
/* oklch */ color: oklch(26.4% 0.116 302.6);

Tailwind

colors: {
  custom: {
    50: '#6d5083',
    500: '#310d52',
    950: '#000000',
  },
}

SCSS

$custom: #310d52;
$custom-light: #6d5083;
$custom-dark: #000000;

JSON

{
  "hex": "#310d52",
  "rgb": {
    "r": 49,
    "g": 13,
    "b": 82
  },
  "hsl": {
    "h": 271.304,
    "s": 72.632,
    "l": 18.627
  },
  "oklch": {
    "l": 0.26392,
    "c": 0.11627,
    "h": 302.6
  },
  "luminance": 0.0155
}

Semantic roles & 50–950 ramp

primary

#310D52

secondary

#5B8D2E

accent

#EF3890

background

#F6F4F8

surface

#ECE7EF

border

#C7C3CA

text

#07020B

muted

#7A787C

Preview Lab

Preview with #310D52

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

Preview Lab → · Contrast checker → · Palette generator →