#330603#330603

#330603 is a very dark, moderate red. Relative luminance 0.008; OKLCH L 21.2% C 0.073 H 30.2°. Best body text is #FFFFFF at 17.98:1 contrast (WCAG AA passes).

Color values

HEX	#330603
RGB	rgb(51, 6, 3)
HSL	hsl(4, 89%, 11%)
HSV	hsv(4, 94%, 20%)
CMYK	cmyk(0%, 88.2%, 94.1%, 80%)
CIE-LAB	lab(7.60, 22.22, 10.63)
CIE-LCH	lch(7.60, 24.63, 25.58°)
OKLab	oklab(21.19% 0.0631 0.0367)
OKLCH	oklch(21.19% 0.073 30.2)
XYZ	xyz(1.4470, 0.8409, 0.1722)
Luminance	0.0084 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#330603 #033033

analogous

#330318 #330603 #331E03

triadic

#330603 #033306 #060333

tetradic

#330603 #183303 #033033 #1E0333

square

#330603 #183303 #033033 #1E0333

split-complementary

#330603 #03331E #031833

monochromatic

#1D0302 #1D0302 #330603 #6D0D06 #A7140A

Accessibility & contrast

On white

17.98

#330603 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#330603 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #330603

17.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##330603	#FFFFFF	#000000	##FFFFFF
##330603	1.00	17.98	1.17	17.98
#FFFFFF	17.98	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#141002

Deuteranopia (green-blind)

#1F1A02

Tritanopia (blue-blind)

#390006

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #330603;
/* rgb */ color: rgb(51, 6, 3);
/* oklch */ color: oklch(21.2% 0.073 30.2);

Tailwind

colors: {
  custom: {
    50: '#6f4a48',
    500: '#330603',
    950: '#000000',
  },
}

SCSS

$custom: #330603;
$custom-light: #6f4a48;
$custom-dark: #000000;

JSON

{
  "hex": "#330603",
  "rgb": {
    "r": 51,
    "g": 6,
    "b": 3
  },
  "hsl": {
    "h": 3.75,
    "s": 88.889,
    "l": 10.588
  },
  "oklch": {
    "l": 0.21189,
    "c": 0.07295,
    "h": 30.2
  },
  "luminance": 0.00841
}

Semantic roles & 50–950 ramp

primary

#330603

secondary

#1C7176

accent

#F2FF29

background

#F7F4F4

surface

#EDE7E6

border

#C8C3C2

text

#080100

muted

#7B7777

Preview Lab

Preview with #330603

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

Preview Lab → · Contrast checker → · Palette generator →