#310B2A#310B2A

#310B2A is a very dark, moderate pink. Relative luminance 0.011; OKLCH L 23.0% C 0.075 H 335.8°. Best body text is #FFFFFF at 17.33:1 contrast (WCAG AA passes).

Color values

HEX	#310B2A
RGB	rgb(49, 11, 42)
HSL	hsl(311, 63%, 12%)
HSV	hsv(311, 78%, 19%)
CMYK	cmyk(0%, 77.6%, 14.3%, 80.8%)
CIE-LAB	lab(9.48, 23.56, -11.35)
CIE-LCH	lch(9.48, 26.15, 334.27°)
OKLab	oklab(22.95% 0.0688 -0.0309)
OKLCH	oklch(22.95% 0.075 335.8)
XYZ	xyz(1.8042, 1.0596, 2.2995)
Luminance	0.0106 (WCAG relative)
Temperature	neutral
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310B2A #0B3112

analogous

#250B31 #310B2A #310B17

triadic

#310B2A #2A310B #0B2A31

tetradic

#310B2A #31250B #0B3112 #0B1731

square

#310B2A #31250B #0B3112 #0B1731

split-complementary

#310B2A #17310B #0B3125

monochromatic

#190615 #190615 #310B2A #631655 #952180

Accessibility & contrast

On white

17.33

#310B2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#310B2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310B2A

17.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310B2A	#FFFFFF	#000000	##FFFFFF
##310B2A	1.00	17.33	1.21	17.33
#FFFFFF	17.33	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B172B

Deuteranopia (green-blind)

#181D29

Tritanopia (blue-blind)

#340D19

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #310b2a;
/* rgb */ color: rgb(49, 11, 42);
/* oklch */ color: oklch(23.0% 0.075 335.8);

Tailwind

colors: {
  custom: {
    50: '#6b4d63',
    500: '#310b2a',
    950: '#000000',
  },
}

SCSS

$custom: #310b2a;
$custom-light: #6b4d63;
$custom-dark: #000000;

JSON

{
  "hex": "#310b2a",
  "rgb": {
    "r": 49,
    "g": 11,
    "b": 42
  },
  "hsl": {
    "h": 311.053,
    "s": 63.333,
    "l": 11.765
  },
  "oklch": {
    "l": 0.22951,
    "c": 0.07541,
    "h": 335.8
  },
  "luminance": 0.01059
}

Semantic roles & 50–950 ramp

primary

#310B2A

secondary

#2A6E37

accent

#E66041

background

#F6F4F5

surface

#EBE7EA

border

#C6C3C6

text

#070105

muted

#7A7779

Preview Lab

Preview with #310B2A

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

Preview Lab → · Contrast checker → · Palette generator →