#403133#403133

#403133 is a dark, muted red. Relative luminance 0.035; OKLCH L 33.1% C 0.022 H 9.4°. Best body text is #FFFFFF at 12.32:1 contrast (WCAG AA passes).

Color values

HEX	#403133
RGB	rgb(64, 49, 51)
HSL	hsl(352, 13%, 22%)
HSV	hsv(352, 23%, 25%)
CMYK	cmyk(0%, 23.4%, 20.3%, 74.9%)
CIE-LAB	lab(22.04, 7.17, 1.32)
CIE-LCH	lch(22.04, 7.29, 10.46°)
OKLab	oklab(33.06% 0.0217 0.0036)
OKLCH	oklch(33.06% 0.022 9.4)
XYZ	xyz(3.8102, 3.5258, 3.6112)
Luminance	0.0353 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403133 #31403E

analogous

#40313B #403133 #403731

triadic

#403133 #334031 #313340

tetradic

#403133 #3B4031 #31403E #373140

square

#403133 #3B4031 #31403E #373140

split-complementary

#403133 #314037 #313B40

monochromatic

#110D0E #1D1617 #403133 #634C4F #85666A

Accessibility & contrast

On white

12.32

#403133 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#403133 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403133

12.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403133	#FFFFFF	#000000	##FFFFFF
##403133	1.00	12.32	1.71	12.32
#FFFFFF	12.32	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333333

Deuteranopia (green-blind)

#373633

Tritanopia (blue-blind)

#433032

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #403133;
/* rgb */ color: rgb(64, 49, 51);
/* oklch */ color: oklch(33.1% 0.022 9.4);

Tailwind

colors: {
  custom: {
    50: '#75696a',
    500: '#403133',
    950: '#000000',
  },
}

SCSS

$custom: #403133;
$custom-light: #75696a;
$custom-dark: #000000;

JSON

{
  "hex": "#403133",
  "rgb": {
    "r": 64,
    "g": 49,
    "b": 51
  },
  "hsl": {
    "h": 352,
    "s": 13.274,
    "l": 22.157
  },
  "oklch": {
    "l": 0.33064,
    "c": 0.022,
    "h": 9.4
  },
  "luminance": 0.03526
}

Semantic roles & 50–950 ramp

primary

#403133

secondary

#5D706D

accent

#B6AD72

background

#F7F6F6

surface

#EDEBEB

border

#C8C6C6

text

#080606

muted

#7B7A7A

Preview Lab

Preview with #403133

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

Preview Lab → · Contrast checker → · Palette generator →