#6B1718#6B1718

#6B1718 is a dark, moderate red. Relative luminance 0.038; OKLCH L 35.1% C 0.117 H 25.1°. Best body text is #FFFFFF at 11.93:1 contrast (WCAG AA passes).

Color values

HEX	#6B1718
RGB	rgb(107, 23, 24)
HSL	hsl(359, 65%, 25%)
HSV	hsv(359, 79%, 42%)
CMYK	cmyk(0%, 78.5%, 77.6%, 58%)
CIE-LAB	lab(23.02, 36.66, 22.10)
CIE-LCH	lch(23.02, 42.81, 31.08°)
OKLab	oklab(35.05% 0.1064 0.0499)
OKLCH	oklch(35.05% 0.118 25.1)
XYZ	xyz(6.5354, 3.8055, 1.2544)
Luminance	0.0381 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B1718 #176B6A

analogous

#6B1742 #6B1718 #6B4017

triadic

#6B1718 #186B17 #17186B

tetradic

#6B1718 #426B17 #176B6A #40176B

square

#6B1718 #426B17 #176B6A #40176B

split-complementary

#6B1718 #176B40 #17426B

monochromatic

#190506 #390C0D #6B1718 #9D2223 #D02D2F

Accessibility & contrast

On white

11.93

#6B1718 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#6B1718 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6B1718

11.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B1718	#FFFFFF	#000000	##FFFFFF
##6B1718	1.00	11.93	1.76	11.93
#FFFFFF	11.93	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302B17

Deuteranopia (green-blind)

#453D15

Tritanopia (blue-blind)

#760018

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #6b1718;
/* rgb */ color: rgb(107, 23, 24);
/* oklch */ color: oklch(35.1% 0.117 25.1);

Tailwind

colors: {
  custom: {
    50: '#9c5c55',
    500: '#6b1718',
    950: '#000000',
  },
}

SCSS

$custom: #6b1718;
$custom-light: #9c5c55;
$custom-dark: #000000;

JSON

{
  "hex": "#6b1718",
  "rgb": {
    "r": 107,
    "g": 23,
    "b": 24
  },
  "hsl": {
    "h": 359.286,
    "s": 64.615,
    "l": 25.49
  },
  "oklch": {
    "l": 0.35052,
    "c": 0.1175,
    "h": 25.1
  },
  "luminance": 0.03805
}

Semantic roles & 50–950 ramp

primary

#6B1718

secondary

#3DA1A0

accent

#E8E640

background

#FAF5F4

surface

#F4E9E7

border

#CEC5C3

text

#0F0403

muted

#7F7978

Preview Lab

Preview with #6B1718

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

Preview Lab → · Contrast checker → · Palette generator →