#310D45#310D45

#310D45 is a dark, moderate violet. Relative luminance 0.014; OKLCH L 25.2% C 0.101 H 310.4°. Best body text is #FFFFFF at 16.48:1 contrast (WCAG AA passes).

Color values

HEX	#310D45
RGB	rgb(49, 13, 69)
HSL	hsl(279, 68%, 16%)
HSV	hsv(279, 81%, 27%)
CMYK	cmyk(29%, 81.2%, 0%, 72.9%)
CIE-LAB	lab(11.76, 28.73, -27.23)
CIE-LCH	lch(11.76, 39.59, 316.54°)
OKLab	oklab(25.21% 0.0657 -0.0771)
OKLCH	oklch(25.21% 0.101 310.4)
XYZ	xyz(2.4845, 1.3705, 5.7627)
Luminance	0.0137 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310D45 #21450D

analogous

#150D45 #310D45 #450D3D

triadic

#310D45 #45310D #0D4531

tetradic

#310D45 #45150D #21450D #0D3D45

square

#310D45 #45150D #21450D #0D3D45

split-complementary

#310D45 #3D450D #0D4515

monochromatic

#12051A #12051A #310D45 #561778 #7A20AC

Accessibility & contrast

On white

16.48

#310D45 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#310D45 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310D45

16.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310D45	#FFFFFF	#000000	##FFFFFF
##310D45	1.00	16.48	1.27	16.48
#FFFFFF	16.48	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D47

Deuteranopia (green-blind)

#042044

Tritanopia (blue-blind)

#2E1A28

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #310d45;
/* rgb */ color: rgb(49, 13, 69);
/* oklch */ color: oklch(25.2% 0.101 310.4);

Tailwind

colors: {
  custom: {
    50: '#6c4f79',
    500: '#310d45',
    950: '#000000',
  },
}

SCSS

$custom: #310d45;
$custom-light: #6c4f79;
$custom-dark: #000000;

JSON

{
  "hex": "#310d45",
  "rgb": {
    "r": 49,
    "g": 13,
    "b": 69
  },
  "hsl": {
    "h": 278.571,
    "s": 68.293,
    "l": 16.078
  },
  "oklch": {
    "l": 0.25209,
    "c": 0.10128,
    "h": 310.4
  },
  "luminance": 0.0137
}

Semantic roles & 50–950 ramp

primary

#310D45

secondary

#4B802D

accent

#EB3D7B

background

#F6F4F7

surface

#EBE7ED

border

#C6C3C8

text

#070209

muted

#7A787B

Preview Lab

Preview with #310D45

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

Preview Lab → · Contrast checker → · Palette generator →