#6B1828#6B1828

#6B1828 is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.5% C 0.116 H 14.6°. Best body text is #FFFFFF at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#6B1828
RGB	rgb(107, 24, 40)
HSL	hsl(348, 63%, 26%)
HSV	hsv(348, 78%, 42%)
CMYK	cmyk(0%, 77.6%, 62.6%, 58%)
CIE-LAB	lab(23.45, 37.26, 11.87)
CIE-LCH	lch(23.45, 39.10, 17.66°)
OKLab	oklab(35.47% 0.1119 0.0292)
OKLCH	oklch(35.47% 0.116 14.6)
XYZ	xyz(6.7737, 3.9332, 2.4096)
Luminance	0.0393 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B1828 #186B5B

analogous

#6B1851 #6B1828 #6B3118

triadic

#6B1828 #286B18 #18286B

tetradic

#6B1828 #516B18 #186B5B #31186B

square

#6B1828 #516B18 #186B5B #31186B

split-complementary

#6B1828 #186B31 #18516B

monochromatic

#190609 #390D15 #6B1828 #9D233B #CF2E4D

Accessibility & contrast

On white

11.76

#6B1828 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#6B1828 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6B1828

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B1828	#FFFFFF	#000000	##FFFFFF
##6B1828	1.00	11.76	1.79	11.76
#FFFFFF	11.76	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2D28

Deuteranopia (green-blind)

#443E26

Tritanopia (blue-blind)

#76001F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #6b1828;
/* rgb */ color: rgb(107, 24, 40);
/* oklch */ color: oklch(35.5% 0.116 14.6);

Tailwind

colors: {
  custom: {
    50: '#9b5d61',
    500: '#6b1828',
    950: '#000000',
  },
}

SCSS

$custom: #6b1828;
$custom-light: #9b5d61;
$custom-dark: #000000;

JSON

{
  "hex": "#6b1828",
  "rgb": {
    "r": 107,
    "g": 24,
    "b": 40
  },
  "hsl": {
    "h": 348.434,
    "s": 63.359,
    "l": 25.686
  },
  "oklch": {
    "l": 0.35468,
    "c": 0.11567,
    "h": 14.6
  },
  "luminance": 0.03932
}

Semantic roles & 50–950 ramp

primary

#6B1828

secondary

#3EA18E

accent

#E6C741

background

#FAF5F5

surface

#F3E9E9

border

#CDC5C5

text

#0F0405

muted

#7F7979

Preview Lab

Preview with #6B1828

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

Preview Lab → · Contrast checker → · Palette generator →