#6B3333#6B3333

#6B3333 is a dark, moderate red. Relative luminance 0.057; OKLCH L 39.5% C 0.080 H 21.4°. Best body text is #FFFFFF at 9.78:1 contrast (WCAG AA passes).

Color values

HEX	#6B3333
RGB	rgb(107, 51, 51)
HSL	hsl(0, 35%, 31%)
HSV	hsv(0, 52%, 42%)
CMYK	cmyk(0%, 52.3%, 52.3%, 58%)
CIE-LAB	lab(28.73, 24.90, 11.62)
CIE-LCH	lch(28.73, 27.48, 25.01°)
OKLab	oklab(39.51% 0.0746 0.0292)
OKLCH	oklch(39.51% 0.08 21.4)
XYZ	xyz(7.8453, 5.7333, 3.8248)
Luminance	0.0573 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B3333 #336B6B

analogous

#6B334F #6B3333 #6B4F33

triadic

#6B3333 #336B33 #33336B

tetradic

#6B3333 #4F6B33 #336B6B #4F336B

square

#6B3333 #4F6B33 #336B6B #4F336B

split-complementary

#6B3333 #336B4F #334F6B

monochromatic

#180B0B #421F1F #6B3333 #944747 #B56464

Accessibility & contrast

On white

9.78

#6B3333 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#6B3333 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6B3333

9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B3333	#FFFFFF	#000000	##FFFFFF
##6B3333	1.00	9.78	2.15	9.78
#FFFFFF	9.78	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3D33

Deuteranopia (green-blind)

#4D4832

Tritanopia (blue-blind)

#742B33

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #6b3333;
/* rgb */ color: rgb(107, 51, 51);
/* oklch */ color: oklch(39.5% 0.080 21.4);

Tailwind

colors: {
  custom: {
    50: '#996c6a',
    500: '#6b3333',
    950: '#000000',
  },
}

SCSS

$custom: #6b3333;
$custom-light: #996c6a;
$custom-dark: #000000;

JSON

{
  "hex": "#6b3333",
  "rgb": {
    "r": 107,
    "g": 51,
    "b": 51
  },
  "hsl": {
    "h": 0,
    "s": 35.443,
    "l": 30.98
  },
  "oklch": {
    "l": 0.39514,
    "c": 0.08011,
    "h": 21.4
  },
  "luminance": 0.05732
}

Semantic roles & 50–950 ramp

primary

#6B3333

secondary

#5E9C9C

accent

#CBCB5C

background

#F9F6F6

surface

#F2EBEB

border

#CCC6C6

text

#0E0706

muted

#7E7A7A

Preview Lab

Preview with #6B3333

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

Preview Lab → · Contrast checker → · Palette generator →