#300B42#300B42

#300B42 is a very dark, moderate purple. Relative luminance 0.013; OKLCH L 24.6% C 0.100 H 311.9°. Best body text is #FFFFFF at 16.77:1 contrast (WCAG AA passes).

Color values

HEX	#300B42
RGB	rgb(48, 11, 66)
HSL	hsl(280, 71%, 15%)
HSV	hsv(280, 83%, 26%)
CMYK	cmyk(27.3%, 83.3%, 0%, 74.1%)
CIE-LAB	lab(11.00, 28.69, -26.35)
CIE-LCH	lch(11.00, 38.96, 317.44°)
OKLab	oklab(24.56% 0.067 -0.0745)
OKLCH	oklch(24.56% 0.1 311.9)
XYZ	xyz(2.3218, 1.2611, 5.2743)
Luminance	0.0126 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#300B42 #1D420B

analogous

#150B42 #300B42 #420B38

triadic

#300B42 #42300B #0B4230

tetradic

#300B42 #42150B #1D420B #0B3842

square

#300B42 #42150B #1D420B #0B3842

split-complementary

#300B42 #38420B #0B4215

monochromatic

#13041A #13041A #300B42 #561476 #7C1CAB

Accessibility & contrast

On white

16.77

#300B42 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#300B42 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #300B42

16.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##300B42	#FFFFFF	#000000	##FFFFFF
##300B42	1.00	16.77	1.25	16.77
#FFFFFF	16.77	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C44

Deuteranopia (green-blind)

#041E41

Tritanopia (blue-blind)

#2E1726

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #300b42;
/* rgb */ color: rgb(48, 11, 66);
/* oklch */ color: oklch(24.6% 0.100 311.9);

Tailwind

colors: {
  custom: {
    50: '#6b4e77',
    500: '#300b42',
    950: '#000000',
  },
}

SCSS

$custom: #300b42;
$custom-light: #6b4e77;
$custom-dark: #000000;

JSON

{
  "hex": "#300b42",
  "rgb": {
    "r": 48,
    "g": 11,
    "b": 66
  },
  "hsl": {
    "h": 280.364,
    "s": 71.429,
    "l": 15.098
  },
  "oklch": {
    "l": 0.24556,
    "c": 0.10022,
    "h": 311.9
  },
  "luminance": 0.01261
}

Semantic roles & 50–950 ramp

primary

#300B42

secondary

#467F2A

accent

#EE3A75

background

#F6F4F7

surface

#EBE7ED

border

#C6C3C8

text

#070208

muted

#7A787B

Preview Lab

Preview with #300B42

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

Preview Lab → · Contrast checker → · Palette generator →