#6B1F2F#6B1F2F

#6B1F2F is a dark, moderate red. Relative luminance 0.043; OKLCH L 36.4% C 0.108 H 11.8°. Best body text is #FFFFFF at 11.28:1 contrast (WCAG AA passes).

Color values

HEX	#6B1F2F
RGB	rgb(107, 31, 47)
HSL	hsl(347, 55%, 27%)
HSV	hsv(347, 71%, 42%)
CMYK	cmyk(0%, 71%, 56.1%, 58%)
CIE-LAB	lab(24.68, 34.92, 8.74)
CIE-LCH	lch(24.68, 36.00, 14.06°)
OKLab	oklab(36.44% 0.1056 0.0221)
OKLCH	oklch(36.44% 0.108 11.8)
XYZ	xyz(7.0671, 4.3119, 3.1489)
Luminance	0.0431 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B1F2F #1F6B5B

analogous

#6B1F55 #6B1F2F #6B351F

triadic

#6B1F2F #2F6B1F #1F2F6B

tetradic

#6B1F2F #556B1F #1F6B5B #351F6B

square

#6B1F2F #556B1F #1F6B5B #351F6B

split-complementary

#6B1F2F #1F6B35 #1F556B

monochromatic

#18070A #3C111A #6B1F2F #9A2D44 #C73D5A

Accessibility & contrast

On white

11.28

#6B1F2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#6B1F2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6B1F2F

11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B1F2F	#FFFFFF	#000000	##FFFFFF
##6B1F2F	1.00	11.28	1.86	11.28
#FFFFFF	11.28	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#31312F

Deuteranopia (green-blind)

#45402D

Tritanopia (blue-blind)

#751125

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #6b1f2f;
/* rgb */ color: rgb(107, 31, 47);
/* oklch */ color: oklch(36.4% 0.108 11.8);

Tailwind

colors: {
  custom: {
    50: '#9a6067',
    500: '#6b1f2f',
    950: '#000000',
  },
}

SCSS

$custom: #6b1f2f;
$custom-light: #9a6067;
$custom-dark: #000000;

JSON

{
  "hex": "#6b1f2f",
  "rgb": {
    "r": 107,
    "g": 31,
    "b": 47
  },
  "hsl": {
    "h": 347.368,
    "s": 55.072,
    "l": 27.059
  },
  "oklch": {
    "l": 0.36435,
    "c": 0.10791,
    "h": 11.8
  },
  "luminance": 0.04311
}

Semantic roles & 50–950 ramp

primary

#6B1F2F

secondary

#479F8D

accent

#DEBF49

background

#F9F5F6

surface

#F2EAEB

border

#CCC6C6

text

#0F0506

muted

#7E797A

Preview Lab

Preview with #6B1F2F

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

Preview Lab → · Contrast checker → · Palette generator →