#330503#330503

#330503 is a very dark, moderate red. Relative luminance 0.008; OKLCH L 21.0% C 0.074 H 29.2°. Best body text is #FFFFFF at 18.04:1 contrast (WCAG AA passes).

Color values

HEX	#330503
RGB	rgb(51, 5, 3)
HSL	hsl(3, 89%, 11%)
HSV	hsv(3, 94%, 20%)
CMYK	cmyk(0%, 90.2%, 94.1%, 80%)
CIE-LAB	lab(7.40, 22.75, 10.35)
CIE-LCH	lch(7.40, 24.99, 24.46°)
OKLab	oklab(21.04% 0.0648 0.0363)
OKLCH	oklch(21.04% 0.074 29.2)
XYZ	xyz(1.4361, 0.8192, 0.1686)
Luminance	0.0082 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#330503 #033133

analogous

#330319 #330503 #331D03

triadic

#330503 #033305 #050333

tetradic

#330503 #193303 #033133 #1D0333

square

#330503 #193303 #033133 #1D0333

split-complementary

#330503 #03331D #031933

monochromatic

#1D0302 #1D0302 #330503 #6D0B06 #A7100A

Accessibility & contrast

On white

18.04

#330503 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#330503 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #330503

18.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##330503	#FFFFFF	#000000	##FFFFFF
##330503	1.00	18.04	1.16	18.04
#FFFFFF	18.04	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#131002

Deuteranopia (green-blind)

#1E1A02

Tritanopia (blue-blind)

#390005

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #330503;
/* rgb */ color: rgb(51, 5, 3);
/* oklch */ color: oklch(21.0% 0.074 29.2);

Tailwind

colors: {
  custom: {
    50: '#6f4948',
    500: '#330503',
    950: '#000000',
  },
}

SCSS

$custom: #330503;
$custom-light: #6f4948;
$custom-dark: #000000;

JSON

{
  "hex": "#330503",
  "rgb": {
    "r": 51,
    "g": 5,
    "b": 3
  },
  "hsl": {
    "h": 2.5,
    "s": 88.889,
    "l": 10.588
  },
  "oklch": {
    "l": 0.21037,
    "c": 0.07429,
    "h": 29.2
  },
  "luminance": 0.00819
}

Semantic roles & 50–950 ramp

primary

#330503

secondary

#1C7276

accent

#F6FF29

background

#F7F4F4

surface

#EDE7E6

border

#C8C3C2

text

#080100

muted

#7B7777

Preview Lab

Preview with #330503

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

Preview Lab → · Contrast checker → · Palette generator →