#310F3B#310F3B

#310F3B is a very dark, moderate purple. Relative luminance 0.013; OKLCH L 24.7% C 0.087 H 317.7°. Best body text is #FFFFFF at 16.64:1 contrast (WCAG AA passes).

Color values

HEX	#310F3B
RGB	rgb(49, 15, 59)
HSL	hsl(286, 59%, 15%)
HSV	hsv(286, 75%, 23%)
CMYK	cmyk(16.9%, 74.6%, 0%, 76.9%)
CIE-LAB	lab(11.35, 25.19, -20.81)
CIE-LCH	lch(11.35, 32.67, 320.44°)
OKLab	oklab(24.67% 0.0641 -0.0583)
OKLCH	oklch(24.67% 0.087 317.7)
XYZ	xyz(2.2268, 1.3105, 4.2725)
Luminance	0.0131 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310F3B #193B0F

analogous

#1B0F3B #310F3B #3B0F2F

triadic

#310F3B #3B310F #0F3B31

tetradic

#310F3B #3B1B0F #193B0F #0F2F3B

square

#310F3B #3B1B0F #193B0F #0F2F3B

split-complementary

#310F3B #2F3B0F #0F3B1B

monochromatic

#140618 #140618 #310F3B #5A1B6C #82289D

Accessibility & contrast

On white

16.64

#310F3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#310F3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310F3B

16.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310F3B	#FFFFFF	#000000	##FFFFFF
##310F3B	1.00	16.64	1.26	16.64
#FFFFFF	16.64	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#021C3C

Deuteranopia (green-blind)

#111F3A

Tritanopia (blue-blind)

#311723

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #310f3b;
/* rgb */ color: rgb(49, 15, 59);
/* oklch */ color: oklch(24.7% 0.087 317.7);

Tailwind

colors: {
  custom: {
    50: '#6b5071',
    500: '#310f3b',
    950: '#000000',
  },
}

SCSS

$custom: #310f3b;
$custom-light: #6b5071;
$custom-dark: #000000;

JSON

{
  "hex": "#310f3b",
  "rgb": {
    "r": 49,
    "g": 15,
    "b": 59
  },
  "hsl": {
    "h": 286.364,
    "s": 59.459,
    "l": 14.51
  },
  "oklch": {
    "l": 0.24666,
    "c": 0.08665,
    "h": 317.7
  },
  "luminance": 0.0131
}

Semantic roles & 50–950 ramp

primary

#310F3B

secondary

#407530

accent

#E34569

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#070207

muted

#7A787A

Preview Lab

Preview with #310F3B

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

Preview Lab → · Contrast checker → · Palette generator →