#403333#403333

#403333 is a dark, near-neutral red. Relative luminance 0.037; OKLCH L 33.5% C 0.019 H 18.1°. Best body text is #FFFFFF at 12.07:1 contrast (WCAG AA passes).

Color values

HEX	#403333
RGB	rgb(64, 51, 51)
HSL	hsl(0, 11%, 23%)
HSV	hsv(0, 20%, 25%)
CMYK	cmyk(0%, 20.3%, 20.3%, 74.9%)
CIE-LAB	lab(22.64, 5.83, 2.20)
CIE-LCH	lch(22.64, 6.23, 20.66°)
OKLab	oklab(33.53% 0.0179 0.0058)
OKLCH	oklch(33.53% 0.019 18.1)
XYZ	xyz(3.8957, 3.6968, 3.6397)
Luminance	0.0370 (WCAG relative)
Temperature	neutral
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403333 #334040

analogous

#403339 #403333 #403933

triadic

#403333 #334033 #333340

tetradic

#403333 #394033 #334040 #393340

square

#403333 #394033 #334040 #393340

split-complementary

#403333 #334039 #333940

monochromatic

#110E0E #1E1818 #403333 #624E4E #846969

Accessibility & contrast

On white

12.07

#403333 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#403333 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403333

12.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403333	#FFFFFF	#000000	##FFFFFF
##403333	1.00	12.07	1.74	12.07
#FFFFFF	12.07	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353533

Deuteranopia (green-blind)

#383733

Tritanopia (blue-blind)

#433233

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #403333;
/* rgb */ color: rgb(64, 51, 51);
/* oklch */ color: oklch(33.5% 0.019 18.1);

Tailwind

colors: {
  custom: {
    50: '#756a6a',
    500: '#403333',
    950: '#000000',
  },
}

SCSS

$custom: #403333;
$custom-light: #756a6a;
$custom-dark: #000000;

JSON

{
  "hex": "#403333",
  "rgb": {
    "r": 64,
    "g": 51,
    "b": 51
  },
  "hsl": {
    "h": 0,
    "s": 11.304,
    "l": 22.549
  },
  "oklch": {
    "l": 0.33534,
    "c": 0.01878,
    "h": 18.1
  },
  "luminance": 0.03697
}

Semantic roles & 50–950 ramp

primary

#403333

secondary

#5F7070

accent

#B4B474

background

#F7F6F6

surface

#EDEBEB

border

#C8C6C6

text

#080606

muted

#7B7A7A

Preview Lab

Preview with #403333

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

Preview Lab → · Contrast checker → · Palette generator →