#330507#330507

#330507 is a very dark, moderate red. Relative luminance 0.008; OKLCH L 21.1% C 0.073 H 23.5°. Best body text is #FFFFFF at 18.02:1 contrast (WCAG AA passes).

Color values

HEX	#330507
RGB	rgb(51, 5, 7)
HSL	hsl(357, 82%, 11%)
HSV	hsv(357, 90%, 20%)
CMYK	cmyk(0%, 90.2%, 86.3%, 80%)
CIE-LAB	lab(7.48, 23.03, 8.83)
CIE-LCH	lch(7.48, 24.67, 20.98°)
OKLab	oklab(21.13% 0.0673 0.0293)
OKLCH	oklch(21.13% 0.073 23.5)
XYZ	xyz(1.4580, 0.8279, 0.2840)
Luminance	0.0083 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#330507 #053331

analogous

#33051E #330507 #331A05

triadic

#330507 #073305 #050733

tetradic

#330507 #1E3305 #053331 #1A0533

square

#330507 #1E3305 #053331 #1A0533

split-complementary

#330507 #05331A #051E33

monochromatic

#1C0304 #1C0304 #330507 #6B0A0F #A21016

Accessibility & contrast

On white

18.02

#330507 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#330507 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #330507

18.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##330507	#FFFFFF	#000000	##FFFFFF
##330507	1.00	18.02	1.17	18.02
#FFFFFF	18.02	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	18.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#121007

Deuteranopia (green-blind)

#1E1A06

Tritanopia (blue-blind)

#390006

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #330507;
/* rgb */ color: rgb(51, 5, 7);
/* oklch */ color: oklch(21.1% 0.073 23.5);

Tailwind

colors: {
  custom: {
    50: '#6f494a',
    500: '#330507',
    950: '#000000',
  },
}

SCSS

$custom: #330507;
$custom-light: #6f494a;
$custom-dark: #000000;

JSON

{
  "hex": "#330507",
  "rgb": {
    "r": 51,
    "g": 5,
    "b": 7
  },
  "hsl": {
    "h": 357.391,
    "s": 82.143,
    "l": 10.98
  },
  "oklch": {
    "l": 0.21125,
    "c": 0.07339,
    "h": 23.5
  },
  "luminance": 0.00828
}

Semantic roles & 50–950 ramp

primary

#330507

secondary

#1F7471

accent

#F8F02F

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080101

muted

#7B7777

Preview Lab

Preview with #330507

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

Preview Lab → · Contrast checker → · Palette generator →