#6B1723#6B1723

#6B1723 is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.3% C 0.117 H 17.9°. Best body text is #FFFFFF at 11.85:1 contrast (WCAG AA passes).

Color values

HEX	#6B1723
RGB	rgb(107, 23, 35)
HSL	hsl(351, 65%, 25%)
HSV	hsv(351, 79%, 42%)
CMYK	cmyk(0%, 78.5%, 67.3%, 58%)
CIE-LAB	lab(23.21, 37.28, 14.97)
CIE-LCH	lch(23.21, 40.18, 21.88°)
OKLab	oklab(35.25% 0.111 0.0359)
OKLCH	oklch(35.25% 0.117 17.9)
XYZ	xyz(6.6739, 3.8609, 1.9836)
Luminance	0.0386 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B1723 #176B5F

analogous

#6B174D #6B1723 #6B3517

triadic

#6B1723 #236B17 #17236B

tetradic

#6B1723 #4D6B17 #176B5F #35176B

square

#6B1723 #4D6B17 #176B5F #35176B

split-complementary

#6B1723 #176B35 #174D6B

monochromatic

#190508 #390C13 #6B1723 #9D2233 #D02D44

Accessibility & contrast

On white

11.85

#6B1723 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#6B1723 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6B1723

11.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B1723	#FFFFFF	#000000	##FFFFFF
##6B1723	1.00	11.85	1.77	11.85
#FFFFFF	11.85	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2C23

Deuteranopia (green-blind)

#443E21

Tritanopia (blue-blind)

#76001C

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #6b1723;
/* rgb */ color: rgb(107, 23, 35);
/* oklch */ color: oklch(35.3% 0.117 17.9);

Tailwind

colors: {
  custom: {
    50: '#9b5c5d',
    500: '#6b1723',
    950: '#000000',
  },
}

SCSS

$custom: #6b1723;
$custom-light: #9b5c5d;
$custom-dark: #000000;

JSON

{
  "hex": "#6b1723",
  "rgb": {
    "r": 107,
    "g": 23,
    "b": 35
  },
  "hsl": {
    "h": 351.429,
    "s": 64.615,
    "l": 25.49
  },
  "oklch": {
    "l": 0.35253,
    "c": 0.11664,
    "h": 17.9
  },
  "luminance": 0.0386
}

Semantic roles & 50–950 ramp

primary

#6B1723

secondary

#3DA193

accent

#E8D040

background

#FAF5F5

surface

#F4E9E9

border

#CEC5C5

text

#0F0404

muted

#7F7979

Preview Lab

Preview with #6B1723

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

Preview Lab → · Contrast checker → · Palette generator →