#330A05#330A05

#330A05 is a very dark, moderate red. Relative luminance 0.009; OKLCH L 21.8% C 0.067 H 31.2°. Best body text is #FFFFFF at 17.70:1 contrast (WCAG AA passes).

Color values

HEX	#330A05
RGB	rgb(51, 10, 5)
HSL	hsl(7, 82%, 11%)
HSV	hsv(7, 90%, 20%)
CMYK	cmyk(0%, 80.4%, 90.2%, 80%)
CIE-LAB	lab(8.41, 20.23, 11.01)
CIE-LCH	lch(8.41, 23.03, 28.56°)
OKLab	oklab(21.82% 0.0576 0.0349)
OKLCH	oklch(21.82% 0.067 31.2)
XYZ	xyz(1.5013, 0.9321, 0.2444)
Luminance	0.0093 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#330A05 #052E33

analogous

#330517 #330A05 #332105

triadic

#330A05 #05330A #0A0533

tetradic

#330A05 #173305 #052E33 #210533

square

#330A05 #173305 #052E33 #210533

split-complementary

#330A05 #053321 #051733

monochromatic

#1C0503 #1C0503 #330A05 #6B150A #A22010

Accessibility & contrast

On white

17.70

#330A05 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#330A05 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #330A05

17.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##330A05	#FFFFFF	#000000	##FFFFFF
##330A05	1.00	17.70	1.19	17.70
#FFFFFF	17.70	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#161304

Deuteranopia (green-blind)

#201C04

Tritanopia (blue-blind)

#390109

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #330a05;
/* rgb */ color: rgb(51, 10, 5);
/* oklch */ color: oklch(21.8% 0.067 31.2);

Tailwind

colors: {
  custom: {
    50: '#6e4c49',
    500: '#330a05',
    950: '#000000',
  },
}

SCSS

$custom: #330a05;
$custom-light: #6e4c49;
$custom-dark: #000000;

JSON

{
  "hex": "#330a05",
  "rgb": {
    "r": 51,
    "g": 10,
    "b": 5
  },
  "hsl": {
    "h": 6.522,
    "s": 82.143,
    "l": 10.98
  },
  "oklch": {
    "l": 0.21818,
    "c": 0.06734,
    "h": 31.2
  },
  "luminance": 0.00932
}

Semantic roles & 50–950 ramp

primary

#330A05

secondary

#1F6B74

accent

#E3F82F

background

#F6F4F4

surface

#ECE7E6

border

#C7C3C2

text

#080100

muted

#7B7777

Preview Lab

Preview with #330A05

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

Preview Lab → · Contrast checker → · Palette generator →