#330306#330306

#330306 is a very dark, moderate red. Relative luminance 0.008; OKLCH L 20.8% C 0.077 H 23.0°. Best body text is #FFFFFF at 18.16:1 contrast (WCAG AA passes).

Color values

HEX	#330306
RGB	rgb(51, 3, 6)
HSL	hsl(356, 89%, 11%)
HSV	hsv(356, 94%, 20%)
CMYK	cmyk(0%, 94.1%, 88.2%, 80%)
CIE-LAB	lab(7.07, 24.03, 8.64)
CIE-LCH	lch(7.07, 25.54, 19.77°)
OKLab	oklab(20.79% 0.0705 0.0299)
OKLCH	oklch(20.79% 0.077 23)
XYZ	xyz(1.4308, 0.7823, 0.2479)
Luminance	0.0078 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#330306 #033330

analogous

#33031E #330306 #331803

triadic

#330306 #063303 #030633

tetradic

#330306 #1E3303 #033330 #180333

square

#330306 #1E3303 #033330 #180333

split-complementary

#330306 #033318 #031E33

monochromatic

#1D0203 #1D0203 #330306 #6D060D #A70A14

Accessibility & contrast

On white

18.16

#330306 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#330306 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #330306

18.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##330306	#FFFFFF	#000000	##FFFFFF
##330306	1.00	18.16	1.16	18.16
#FFFFFF	18.16	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#110F06

Deuteranopia (green-blind)

#1D1905

Tritanopia (blue-blind)

#390004

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #330306;
/* rgb */ color: rgb(51, 3, 6);
/* oklch */ color: oklch(20.8% 0.077 23.0);

Tailwind

colors: {
  custom: {
    50: '#6f4849',
    500: '#330306',
    950: '#000000',
  },
}

SCSS

$custom: #330306;
$custom-light: #6f4849;
$custom-dark: #000000;

JSON

{
  "hex": "#330306",
  "rgb": {
    "r": 51,
    "g": 3,
    "b": 6
  },
  "hsl": {
    "h": 356.25,
    "s": 88.889,
    "l": 10.588
  },
  "oklch": {
    "l": 0.20793,
    "c": 0.07657,
    "h": 23
  },
  "luminance": 0.00782
}

Semantic roles & 50–950 ramp

primary

#330306

secondary

#1C7671

accent

#FFF229

background

#F7F4F4

surface

#EDE6E6

border

#C8C2C2

text

#080000

muted

#7B7777

Preview Lab

Preview with #330306

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

Preview Lab → · Contrast checker → · Palette generator →