#300B37#300B37

#300B37 is a very dark, moderate purple. Relative luminance 0.011; OKLCH L 23.7% C 0.088 H 320.9°. Best body text is #FFFFFF at 17.09:1 contrast (WCAG AA passes).

Color values

HEX	#300B37
RGB	rgb(48, 11, 55)
HSL	hsl(290, 67%, 13%)
HSV	hsv(290, 80%, 22%)
CMYK	cmyk(12.7%, 80%, 0%, 78.4%)
CIE-LAB	lab(10.14, 26.03, -19.88)
CIE-LCH	lch(10.14, 32.75, 322.63°)
OKLab	oklab(23.66% 0.0683 -0.0556)
OKLCH	oklch(23.66% 0.088 320.9)
XYZ	xyz(2.0281, 1.1437, 3.7276)
Luminance	0.0114 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#300B37 #12370B

analogous

#1A0B37 #300B37 #370B28

triadic

#300B37 #37300B #0B3730

tetradic

#300B37 #371A0B #12370B #0B2837

square

#300B37 #371A0B #12370B #0B2837

split-complementary

#300B37 #28370B #0B371A

monochromatic

#16051A #16051A #300B37 #5D156A #891F9D

Accessibility & contrast

On white

17.09

#300B37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#300B37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #300B37

17.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##300B37	#FFFFFF	#000000	##FFFFFF
##300B37	1.00	17.09	1.23	17.09
#FFFFFF	17.09	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#011938

Deuteranopia (green-blind)

#101D36

Tritanopia (blue-blind)

#30131F

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #300b37;
/* rgb */ color: rgb(48, 11, 55);
/* oklch */ color: oklch(23.7% 0.088 320.9);

Tailwind

colors: {
  custom: {
    50: '#6a4e6e',
    500: '#300b37',
    950: '#000000',
  },
}

SCSS

$custom: #300b37;
$custom-light: #6a4e6e;
$custom-dark: #000000;

JSON

{
  "hex": "#300b37",
  "rgb": {
    "r": 48,
    "g": 11,
    "b": 55
  },
  "hsl": {
    "h": 290.455,
    "s": 66.667,
    "l": 12.941
  },
  "oklch": {
    "l": 0.23663,
    "c": 0.08803,
    "h": 320.9
  },
  "luminance": 0.01144
}

Semantic roles & 50–950 ramp

primary

#300B37

secondary

#36742A

accent

#EA3E59

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#070107

muted

#7A777A

Preview Lab

Preview with #300B37

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

Preview Lab → · Contrast checker → · Palette generator →