#310F40#310F40

#310F40 is a dark, moderate purple. Relative luminance 0.014; OKLCH L 25.1% C 0.093 H 313.6°. Best body text is #FFFFFF at 16.50:1 contrast (WCAG AA passes).

Color values

HEX	#310F40
RGB	rgb(49, 15, 64)
HSL	hsl(282, 62%, 15%)
HSV	hsv(282, 77%, 25%)
CMYK	cmyk(23.4%, 76.6%, 0%, 74.9%)
CIE-LAB	lab(11.72, 26.43, -23.77)
CIE-LCH	lch(11.72, 35.55, 318.04°)
OKLab	oklab(25.05% 0.0639 -0.0669)
OKLCH	oklch(25.05% 0.093 313.6)
XYZ	xyz(2.3627, 1.3649, 4.9885)
Luminance	0.0137 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310F40 #1E400F

analogous

#190F40 #310F40 #400F36

triadic

#310F40 #40310F #0F4031

tetradic

#310F40 #40190F #1E400F #0F3640

square

#310F40 #40190F #1E400F #0F3640

split-complementary

#310F40 #36400F #0F4019

monochromatic

#130619 #130619 #310F40 #571B72 #7D26A3

Accessibility & contrast

On white

16.50

#310F40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#310F40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310F40

16.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310F40	#FFFFFF	#000000	##FFFFFF
##310F40	1.00	16.50	1.27	16.50
#FFFFFF	16.50	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D41

Deuteranopia (green-blind)

#0C203F

Tritanopia (blue-blind)

#301926

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #310f40;
/* rgb */ color: rgb(49, 15, 64);
/* oklch */ color: oklch(25.1% 0.093 313.6);

Tailwind

colors: {
  custom: {
    50: '#6b5075',
    500: '#310f40',
    950: '#000000',
  },
}

SCSS

$custom: #310f40;
$custom-light: #6b5075;
$custom-dark: #000000;

JSON

{
  "hex": "#310f40",
  "rgb": {
    "r": 49,
    "g": 15,
    "b": 64
  },
  "hsl": {
    "h": 281.633,
    "s": 62.025,
    "l": 15.49
  },
  "oklch": {
    "l": 0.25054,
    "c": 0.09251,
    "h": 313.6
  },
  "luminance": 0.01365
}

Semantic roles & 50–950 ramp

primary

#310F40

secondary

#477A30

accent

#E54374

background

#F6F4F7

surface

#EBE7ED

border

#C6C3C8

text

#070208

muted

#7A787B

Preview Lab

Preview with #310F40

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

Preview Lab → · Contrast checker → · Palette generator →