#310740#310740

#310740 is a very dark, moderate purple. Relative luminance 0.012; OKLCH L 24.1% C 0.104 H 315.1°. Best body text is #FFFFFF at 17.00:1 contrast (WCAG AA passes).

Color values

HEX	#310740
RGB	rgb(49, 7, 64)
HSL	hsl(284, 80%, 14%)
HSV	hsv(284, 89%, 25%)
CMYK	cmyk(23.4%, 89.1%, 0%, 74.9%)
CIE-LAB	lab(10.37, 30.27, -25.94)
CIE-LCH	lch(10.37, 39.86, 319.40°)
OKLab	oklab(24.1% 0.0735 -0.0733)
OKLCH	oklch(24.1% 0.104 315.1)
XYZ	xyz(2.2679, 1.1752, 4.9569)
Luminance	0.0118 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310740 #164007

analogous

#150740 #310740 #400733

triadic

#310740 #403107 #074031

tetradic

#310740 #401507 #164007 #073340

square

#310740 #401507 #164007 #073340

split-complementary

#310740 #334007 #074015

monochromatic

#15031C #15031C #310740 #5B0D77 #8513AE

Accessibility & contrast

On white

17.00

#310740 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#310740 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310740

17.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310740	#FFFFFF	#000000	##FFFFFF
##310740	1.00	17.00	1.23	17.00
#FFFFFF	17.00	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A42

Deuteranopia (green-blind)

#051D3F

Tritanopia (blue-blind)

#301423

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #310740;
/* rgb */ color: rgb(49, 7, 64);
/* oklch */ color: oklch(24.1% 0.104 315.1);

Tailwind

colors: {
  custom: {
    50: '#6c4c75',
    500: '#310740',
    950: '#000000',
  },
}

SCSS

$custom: #310740;
$custom-light: #6c4c75;
$custom-dark: #000000;

JSON

{
  "hex": "#310740",
  "rgb": {
    "r": 49,
    "g": 7,
    "b": 64
  },
  "hsl": {
    "h": 284.211,
    "s": 80.282,
    "l": 13.922
  },
  "oklch": {
    "l": 0.24096,
    "c": 0.10375,
    "h": 315.1
  },
  "luminance": 0.01175
}

Semantic roles & 50–950 ramp

primary

#310740

secondary

#3C7F24

accent

#F73165

background

#F6F4F7

surface

#ECE7ED

border

#C7C3C8

text

#070108

muted

#7A777B

Preview Lab

Preview with #310740

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

Preview Lab → · Contrast checker → · Palette generator →