#300B40#300B40

#300B40 is a very dark, moderate purple. Relative luminance 0.012; OKLCH L 24.4% C 0.098 H 313.4°. Best body text is #FFFFFF at 16.83:1 contrast (WCAG AA passes).

Color values

HEX	#300B40
RGB	rgb(48, 11, 64)
HSL	hsl(282, 71%, 15%)
HSV	hsv(282, 83%, 25%)
CMYK	cmyk(25%, 82.8%, 0%, 74.9%)
CIE-LAB	lab(10.83, 28.19, -25.21)
CIE-LCH	lch(10.83, 37.82, 318.20°)
OKLab	oklab(24.39% 0.0673 -0.0712)
OKLCH	oklch(24.39% 0.098 313.4)
XYZ	xyz(2.2638, 1.2380, 4.9692)
Luminance	0.0124 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#300B40 #1B400B

analogous

#160B40 #300B40 #400B36

triadic

#300B40 #40300B #0B4030

tetradic

#300B40 #40160B #1B400B #0B3640

square

#300B40 #40160B #1B400B #0B3640

split-complementary

#300B40 #36400B #0B4016

monochromatic

#14041A #14041A #300B40 #571474 #7E1DA8

Accessibility & contrast

On white

16.83

#300B40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#300B40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #300B40

16.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##300B40	#FFFFFF	#000000	##FFFFFF
##300B40	1.00	16.83	1.25	16.83
#FFFFFF	16.83	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B41

Deuteranopia (green-blind)

#071E3F

Tritanopia (blue-blind)

#2E1724

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #300b40;
/* rgb */ color: rgb(48, 11, 64);
/* oklch */ color: oklch(24.4% 0.098 313.4);

Tailwind

colors: {
  custom: {
    50: '#6b4e75',
    500: '#300b40',
    950: '#000000',
  },
}

SCSS

$custom: #300b40;
$custom-light: #6b4e75;
$custom-dark: #000000;

JSON

{
  "hex": "#300b40",
  "rgb": {
    "r": 48,
    "g": 11,
    "b": 64
  },
  "hsl": {
    "h": 281.887,
    "s": 70.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.24385,
    "c": 0.09798,
    "h": 313.4
  },
  "luminance": 0.01238
}

Semantic roles & 50–950 ramp

primary

#300B40

secondary

#437D2A

accent

#ED3A70

background

#F6F4F7

surface

#EBE7ED

border

#C6C3C8

text

#070208

muted

#7A787B

Preview Lab

Preview with #300B40

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

Preview Lab → · Contrast checker → · Palette generator →