#310D4E#310D4E

#310D4E is a dark, moderate violet. Relative luminance 0.015; OKLCH L 26.0% C 0.112 H 304.8°. Best body text is #FFFFFF at 16.18:1 contrast (WCAG AA passes).

Color values

HEX	#310D4E
RGB	rgb(49, 13, 78)
HSL	hsl(273, 71%, 18%)
HSV	hsv(273, 83%, 31%)
CMYK	cmyk(37.2%, 83.3%, 0%, 69.4%)
CIE-LAB	lab(12.55, 31.09, -32.20)
CIE-LCH	lch(12.55, 44.76, 314.00°)
OKLab	oklab(26.02% 0.0637 -0.0917)
OKLCH	oklch(26.02% 0.112 304.8)
XYZ	xyz(2.7854, 1.4909, 7.3473)
Luminance	0.0149 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310D4E #2A4E0D

analogous

#100D4E #310D4E #4E0D4A

triadic

#310D4E #4E310D #0D4E31

tetradic

#310D4E #4E100D #2A4E0D #0D4A4E

square

#310D4E #4E100D #2A4E0D #0D4A4E

split-complementary

#310D4E #4A4E0D #0D4E10

monochromatic

#10041A #10041A #310D4E #521682 #731EB7

Accessibility & contrast

On white

16.18

#310D4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#310D4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310D4E

16.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310D4E	#FFFFFF	#000000	##FFFFFF
##310D4E	1.00	16.18	1.30	16.18
#FFFFFF	16.18	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002050

Deuteranopia (green-blind)

#00214D

Tritanopia (blue-blind)

#2B1D2D

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #310d4e;
/* rgb */ color: rgb(49, 13, 78);
/* oklch */ color: oklch(26.0% 0.112 304.8);

Tailwind

colors: {
  custom: {
    50: '#6d5080',
    500: '#310d4e',
    950: '#000000',
  },
}

SCSS

$custom: #310d4e;
$custom-light: #6d5080;
$custom-dark: #000000;

JSON

{
  "hex": "#310d4e",
  "rgb": {
    "r": 49,
    "g": 13,
    "b": 78
  },
  "hsl": {
    "h": 273.231,
    "s": 71.429,
    "l": 17.843
  },
  "oklch": {
    "l": 0.26015,
    "c": 0.11166,
    "h": 304.8
  },
  "luminance": 0.01491
}

Semantic roles & 50–950 ramp

primary

#310D4E

secondary

#56892E

accent

#EE3A8A

background

#F6F4F7

surface

#ECE7EE

border

#C7C3C9

text

#07020A

muted

#7A787C

Preview Lab

Preview with #310D4E

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

Preview Lab → · Contrast checker → · Palette generator →