#330505#330505

#330505 is a very dark, moderate red. Relative luminance 0.008; OKLCH L 21.1% C 0.074 H 26.3°. Best body text is #FFFFFF at 18.03:1 contrast (WCAG AA passes).

Color values

HEX	#330505
RGB	rgb(51, 5, 5)
HSL	hsl(0, 82%, 11%)
HSV	hsv(0, 90%, 20%)
CMYK	cmyk(0%, 90.2%, 90.2%, 80%)
CIE-LAB	lab(7.44, 22.90, 9.59)
CIE-LCH	lch(7.44, 24.82, 22.72°)
OKLab	oklab(21.08% 0.0661 0.0327)
OKLCH	oklch(21.08% 0.074 26.3)
XYZ	xyz(1.4471, 0.8235, 0.2263)
Luminance	0.0082 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#330505 #053333

analogous

#33051C #330505 #331C05

triadic

#330505 #053305 #050533

tetradic

#330505 #1C3305 #053333 #1C0533

square

#330505 #1C3305 #053333 #1C0533

split-complementary

#330505 #05331C #051C33

monochromatic

#1C0303 #1C0303 #330505 #6B0A0A #A21010

Accessibility & contrast

On white

18.03

#330505 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#330505 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #330505

18.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##330505	#FFFFFF	#000000	##FFFFFF
##330505	1.00	18.03	1.16	18.03
#FFFFFF	18.03	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#131005

Deuteranopia (green-blind)

#1E1A04

Tritanopia (blue-blind)

#390005

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #330505;
/* rgb */ color: rgb(51, 5, 5);
/* oklch */ color: oklch(21.1% 0.074 26.3);

Tailwind

colors: {
  custom: {
    50: '#6f4949',
    500: '#330505',
    950: '#000000',
  },
}

SCSS

$custom: #330505;
$custom-light: #6f4949;
$custom-dark: #000000;

JSON

{
  "hex": "#330505",
  "rgb": {
    "r": 51,
    "g": 5,
    "b": 5
  },
  "hsl": {
    "h": 0,
    "s": 82.143,
    "l": 10.98
  },
  "oklch": {
    "l": 0.21081,
    "c": 0.07375,
    "h": 26.3
  },
  "luminance": 0.00823
}

Semantic roles & 50–950 ramp

primary

#330505

secondary

#1F7474

accent

#F8F82F

background

#F7F4F4

surface

#EDE7E6

border

#C8C3C2

text

#080100

muted

#7B7777

Preview Lab

Preview with #330505

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

Preview Lab → · Contrast checker → · Palette generator →