#6B151A#6B151A

#6B151A is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.9% C 0.119 H 23.2°. Best body text is #FFFFFF at 12.02:1 contrast (WCAG AA passes).

Color values

HEX	#6B151A
RGB	rgb(107, 21, 26)
HSL	hsl(357, 67%, 25%)
HSV	hsv(357, 80%, 42%)
CMYK	cmyk(0%, 80.4%, 75.7%, 58%)
CIE-LAB	lab(22.78, 37.49, 20.52)
CIE-LCH	lch(22.78, 42.74, 28.69°)
OKLab	oklab(34.89% 0.1095 0.0469)
OKLCH	oklch(34.89% 0.119 23.2)
XYZ	xyz(6.5188, 3.7377, 1.3553)
Luminance	0.0374 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B151A #156B66

analogous

#6B1545 #6B151A #6B3B15

triadic

#6B151A #1A6B15 #151A6B

tetradic

#6B151A #456B15 #156B66 #3B156B

square

#6B151A #456B15 #156B66 #3B156B

split-complementary

#6B151A #156B3B #15456B

monochromatic

#1A0506 #380B0E #6B151A #9E1F26 #D12933

Accessibility & contrast

On white

12.02

#6B151A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#6B151A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6B151A

12.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B151A	#FFFFFF	#000000	##FFFFFF
##6B151A	1.00	12.02	1.75	12.02
#FFFFFF	12.02	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2B19

Deuteranopia (green-blind)

#443D17

Tritanopia (blue-blind)

#760018

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #6b151a;
/* rgb */ color: rgb(107, 21, 26);
/* oklch */ color: oklch(34.9% 0.119 23.2);

Tailwind

colors: {
  custom: {
    50: '#9c5b56',
    500: '#6b151a',
    950: '#000000',
  },
}

SCSS

$custom: #6b151a;
$custom-light: #9c5b56;
$custom-dark: #000000;

JSON

{
  "hex": "#6b151a",
  "rgb": {
    "r": 107,
    "g": 21,
    "b": 26
  },
  "hsl": {
    "h": 356.512,
    "s": 67.188,
    "l": 25.098
  },
  "oklch": {
    "l": 0.34888,
    "c": 0.11912,
    "h": 23.2
  },
  "luminance": 0.03737
}

Semantic roles & 50–950 ramp

primary

#6B151A

secondary

#3AA29C

accent

#EAE03E

background

#FAF5F5

surface

#F4E9E9

border

#CEC5C5

text

#0F0403

muted

#7F7978

Preview Lab

Preview with #6B151A

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

Preview Lab → · Contrast checker → · Palette generator →