#6D180F#6D180F

#6D180F is a dark, vivid red. Relative luminance 0.039; OKLCH L 35.4% C 0.120 H 30.1°. Best body text is #FFFFFF at 11.75:1 contrast (WCAG AA passes).

Color values

HEX	#6D180F
RGB	rgb(109, 24, 15)
HSL	hsl(6, 76%, 24%)
HSV	hsv(6, 86%, 43%)
CMYK	cmyk(0%, 78%, 86.2%, 57.3%)
CIE-LAB	lab(23.47, 36.62, 28.19)
CIE-LCH	lch(23.47, 46.21, 37.59°)
OKLab	oklab(35.43% 0.104 0.0602)
OKLCH	oklch(35.43% 0.12 30.1)
XYZ	xyz(6.7203, 3.9400, 0.8585)
Luminance	0.0394 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6D180F #0F646D

analogous

#6D0F35 #6D180F #6D470F

triadic

#6D180F #0F6D18 #180F6D

tetradic

#6D180F #356D0F #0F646D #470F6D

square

#6D180F #356D0F #0F646D #470F6D

split-complementary

#6D180F #0F6D47 #0F356D

monochromatic

#1B0604 #370C08 #6D180F #A32416 #D9301E

Accessibility & contrast

On white

11.75

#6D180F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#6D180F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6D180F

11.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6D180F	#FFFFFF	#000000	##FFFFFF
##6D180F	1.00	11.75	1.79	11.75
#FFFFFF	11.75	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#322C0D

Deuteranopia (green-blind)

#473F0B

Tritanopia (blue-blind)

#790017

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #6d180f;
/* rgb */ color: rgb(109, 24, 15);
/* oklch */ color: oklch(35.4% 0.120 30.1);

Tailwind

colors: {
  custom: {
    50: '#9f5c4e',
    500: '#6d180f',
    950: '#000000',
  },
}

SCSS

$custom: #6d180f;
$custom-light: #9f5c4e;
$custom-dark: #000000;

JSON

{
  "hex": "#6d180f",
  "rgb": {
    "r": 109,
    "g": 24,
    "b": 15
  },
  "hsl": {
    "h": 5.745,
    "s": 75.806,
    "l": 24.314
  },
  "oklch": {
    "l": 0.35433,
    "c": 0.12014,
    "h": 30.1
  },
  "luminance": 0.03939
}

Semantic roles & 50–950 ramp

primary

#6D180F

secondary

#339AA5

accent

#E0F235

background

#FAF5F4

surface

#F4E9E7

border

#CEC5C3

text

#100401

muted

#7F7977

Preview Lab

Preview with #6D180F

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

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