#6B172A#6B172A

#6B172A is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.4% C 0.117 H 12.7°. Best body text is #FFFFFF at 11.79:1 contrast (WCAG AA passes).

Color values

HEX	#6B172A
RGB	rgb(107, 23, 42)
HSL	hsl(346, 65%, 25%)
HSV	hsv(346, 79%, 42%)
CMYK	cmyk(0%, 78.5%, 60.7%, 58%)
CIE-LAB	lab(23.36, 37.79, 10.37)
CIE-LCH	lch(23.36, 39.19, 15.34°)
OKLab	oklab(35.42% 0.114 0.0258)
OKLCH	oklch(35.42% 0.117 12.7)
XYZ	xyz(6.7884, 3.9067, 2.5867)
Luminance	0.0391 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B172A #176B58

analogous

#6B1754 #6B172A #6B2E17

triadic

#6B172A #2A6B17 #172A6B

tetradic

#6B172A #546B17 #176B58 #2E176B

square

#6B172A #546B17 #176B58 #2E176B

split-complementary

#6B172A #176B2E #17546B

monochromatic

#19050A #390C16 #6B172A #9D223E #D02D52

Accessibility & contrast

On white

11.79

#6B172A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#6B172A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6B172A

11.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B172A	#FFFFFF	#000000	##FFFFFF
##6B172A	1.00	11.79	1.78	11.79
#FFFFFF	11.79	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2D2A

Deuteranopia (green-blind)

#433E28

Tritanopia (blue-blind)

#76001F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #6b172a;
/* rgb */ color: rgb(107, 23, 42);
/* oklch */ color: oklch(35.4% 0.117 12.7);

Tailwind

colors: {
  custom: {
    50: '#9b5c63',
    500: '#6b172a',
    950: '#000000',
  },
}

SCSS

$custom: #6b172a;
$custom-light: #9b5c63;
$custom-dark: #000000;

JSON

{
  "hex": "#6b172a",
  "rgb": {
    "r": 107,
    "g": 23,
    "b": 42
  },
  "hsl": {
    "h": 346.429,
    "s": 64.615,
    "l": 25.49
  },
  "oklch": {
    "l": 0.35417,
    "c": 0.11689,
    "h": 12.7
  },
  "luminance": 0.03906
}

Semantic roles & 50–950 ramp

primary

#6B172A

secondary

#3DA18A

accent

#E8C240

background

#FAF5F5

surface

#F3E9EA

border

#CDC5C6

text

#0F0405

muted

#7F7979

Preview Lab

Preview with #6B172A

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

Preview Lab → · Contrast checker → · Palette generator →