#6B1529#6B1529

#6B1529 is a dark, moderate red. Relative luminance 0.038; OKLCH L 35.2% C 0.119 H 12.9°. Best body text is #FFFFFF at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#6B1529
RGB	rgb(107, 21, 41)
HSL	hsl(346, 67%, 25%)
HSV	hsv(346, 80%, 42%)
CMYK	cmyk(0%, 80.4%, 61.7%, 58%)
CIE-LAB	lab(23.08, 38.44, 10.68)
CIE-LCH	lch(23.08, 39.89, 15.52°)
OKLab	oklab(35.2% 0.1159 0.0265)
OKLCH	oklch(35.2% 0.119 12.9)
XYZ	xyz(6.7325, 3.8232, 2.4808)
Luminance	0.0382 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B1529 #156B57

analogous

#6B1554 #6B1529 #6B2C15

triadic

#6B1529 #296B15 #15296B

tetradic

#6B1529 #546B15 #156B57 #2C156B

square

#6B1529 #546B15 #156B57 #2C156B

split-complementary

#6B1529 #156B2C #15546B

monochromatic

#1A050A #380B15 #6B1529 #9E1F3D #D12950

Accessibility & contrast

On white

11.90

#6B1529 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#6B1529 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6B1529

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B1529	#FFFFFF	#000000	##FFFFFF
##6B1529	1.00	11.90	1.76	11.90
#FFFFFF	11.90	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2C29

Deuteranopia (green-blind)

#433D27

Tritanopia (blue-blind)

#76001D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #6b1529;
/* rgb */ color: rgb(107, 21, 41);
/* oklch */ color: oklch(35.2% 0.119 12.9);

Tailwind

colors: {
  custom: {
    50: '#9b5b62',
    500: '#6b1529',
    950: '#000000',
  },
}

SCSS

$custom: #6b1529;
$custom-light: #9b5b62;
$custom-dark: #000000;

JSON

{
  "hex": "#6b1529",
  "rgb": {
    "r": 107,
    "g": 21,
    "b": 41
  },
  "hsl": {
    "h": 346.047,
    "s": 67.188,
    "l": 25.098
  },
  "oklch": {
    "l": 0.352,
    "c": 0.11889,
    "h": 12.9
  },
  "luminance": 0.03822
}

Semantic roles & 50–950 ramp

primary

#6B1529

secondary

#3AA28A

accent

#EAC23E

background

#FAF5F5

surface

#F3E9EA

border

#CDC5C6

text

#0F0405

muted

#7F7979

Preview Lab

Preview with #6B1529

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

Preview Lab → · Contrast checker → · Palette generator →