#6D131B#6D131B

#6D131B is a dark, vivid red. Relative luminance 0.038; OKLCH L 35.1% C 0.123 H 22.1°. Best body text is #FFFFFF at 11.94:1 contrast (WCAG AA passes).

Color values

HEX	#6D131B
RGB	rgb(109, 19, 27)
HSL	hsl(355, 70%, 25%)
HSV	hsv(355, 83%, 43%)
CMYK	cmyk(0%, 82.6%, 75.2%, 57.3%)
CIE-LAB	lab(22.99, 38.88, 20.20)
CIE-LCH	lch(22.99, 43.82, 27.46°)
OKLab	oklab(35.12% 0.1139 0.0463)
OKLCH	oklch(35.12% 0.123 22.1)
XYZ	xyz(6.7382, 3.7971, 1.4148)
Luminance	0.0380 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6D131B #136D65

analogous

#6D1348 #6D131B #6D3813

triadic

#6D131B #1B6D13 #131B6D

tetradic

#6D131B #486D13 #136D65 #38136D

square

#6D131B #486D13 #136D65 #38136D

split-complementary

#6D131B #136D38 #13486D

monochromatic

#1A0506 #390A0E #6D131B #A11C28 #D52535

Accessibility & contrast

On white

11.94

#6D131B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#6D131B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6D131B

11.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6D131B	#FFFFFF	#000000	##FFFFFF
##6D131B	1.00	11.94	1.76	11.94
#FFFFFF	11.94	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2B1A

Deuteranopia (green-blind)

#453E18

Tritanopia (blue-blind)

#790017

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #6d131b;
/* rgb */ color: rgb(109, 19, 27);
/* oklch */ color: oklch(35.1% 0.123 22.1);

Tailwind

colors: {
  custom: {
    50: '#9e5a57',
    500: '#6d131b',
    950: '#000000',
  },
}

SCSS

$custom: #6d131b;
$custom-light: #9e5a57;
$custom-dark: #000000;

JSON

{
  "hex": "#6d131b",
  "rgb": {
    "r": 109,
    "g": 19,
    "b": 27
  },
  "hsl": {
    "h": 354.667,
    "s": 70.313,
    "l": 25.098
  },
  "oklch": {
    "l": 0.35122,
    "c": 0.12293,
    "h": 22.1
  },
  "luminance": 0.03796
}

Semantic roles & 50–950 ramp

primary

#6D131B

secondary

#38A49A

accent

#EDDD3B

background

#FAF5F5

surface

#F4E9E9

border

#CEC5C5

text

#100403

muted

#7F7978

Preview Lab

Preview with #6D131B

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

Preview Lab → · Contrast checker → · Palette generator →