#6B2018#6B2018

#6B2018 is a dark, moderate red. Relative luminance 0.042; OKLCH L 36.1% C 0.108 H 29.5°. Best body text is #FFFFFF at 11.38:1 contrast (WCAG AA passes).

Color values

HEX	#6B2018
RGB	rgb(107, 32, 24)
HSL	hsl(6, 63%, 26%)
HSV	hsv(6, 78%, 42%)
CMYK	cmyk(0%, 70.1%, 77.6%, 58%)
CIE-LAB	lab(24.40, 32.86, 23.67)
CIE-LCH	lch(24.40, 40.49, 35.77°)
OKLab	oklab(36.09% 0.0944 0.0533)
OKLCH	oklch(36.09% 0.108 29.5)
XYZ	xyz(6.7455, 4.2258, 1.3244)
Luminance	0.0423 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B2018 #18636B

analogous

#6B1839 #6B2018 #6B4918

triadic

#6B2018 #186B20 #20186B

tetradic

#6B2018 #396B18 #18636B #49186B

square

#6B2018 #396B18 #18636B #49186B

split-complementary

#6B2018 #186B49 #18396B

monochromatic

#190706 #39110D #6B2018 #9D2F23 #CF3E2E

Accessibility & contrast

On white

11.38

#6B2018 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#6B2018 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6B2018

11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B2018	#FFFFFF	#000000	##FFFFFF
##6B2018	1.00	11.38	1.85	11.38
#FFFFFF	11.38	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353017

Deuteranopia (green-blind)

#484015

Tritanopia (blue-blind)

#760B1F

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #6b2018;
/* rgb */ color: rgb(107, 32, 24);
/* oklch */ color: oklch(36.1% 0.108 29.5);

Tailwind

colors: {
  custom: {
    50: '#9c6055',
    500: '#6b2018',
    950: '#000000',
  },
}

SCSS

$custom: #6b2018;
$custom-light: #9c6055;
$custom-dark: #000000;

JSON

{
  "hex": "#6b2018",
  "rgb": {
    "r": 107,
    "g": 32,
    "b": 24
  },
  "hsl": {
    "h": 5.783,
    "s": 63.359,
    "l": 25.686
  },
  "oklch": {
    "l": 0.36089,
    "c": 0.10842,
    "h": 29.5
  },
  "luminance": 0.04225
}

Semantic roles & 50–950 ramp

primary

#6B2018

secondary

#3E97A1

accent

#D6E641

background

#FAF5F4

surface

#F4EAE8

border

#CEC6C4

text

#0F0503

muted

#7F7978

Preview Lab

Preview with #6B2018

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

Preview Lab → · Contrast checker → · Palette generator →