#6F181C#6F181C

#6F181C is a dark, vivid red. Relative luminance 0.041; OKLCH L 36.0% C 0.120 H 23.5°. Best body text is #FFFFFF at 11.52:1 contrast (WCAG AA passes).

Color values

HEX	#6F181C
RGB	rgb(111, 24, 28)
HSL	hsl(357, 64%, 26%)
HSV	hsv(357, 78%, 44%)
CMYK	cmyk(0%, 78.4%, 74.8%, 56.5%)
CIE-LAB	lab(24.06, 37.84, 20.91)
CIE-LCH	lch(24.06, 43.24, 28.92°)
OKLab	oklab(36% 0.1105 0.048)
OKLCH	oklch(36% 0.12 23.5)
XYZ	xyz(7.0926, 4.1177, 1.5197)
Luminance	0.0412 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6F181C #186F6B

analogous

#6F1848 #6F181C #6F4018

triadic

#6F181C #1C6F18 #181C6F

tetradic

#6F181C #486F18 #186F6B #40186F

square

#6F181C #486F18 #186F6B #40186F

split-complementary

#6F181C #186F40 #18486F

monochromatic

#190506 #3D0D0F #6F181C #A12329 #D22F37

Accessibility & contrast

On white

11.52

#6F181C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#6F181C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6F181C

11.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6F181C	#FFFFFF	#000000	##FFFFFF
##6F181C	1.00	11.52	1.82	11.52
#FFFFFF	11.52	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#322D1B

Deuteranopia (green-blind)

#474019

Tritanopia (blue-blind)

#7B001A

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #6f181c;
/* rgb */ color: rgb(111, 24, 28);
/* oklch */ color: oklch(36.0% 0.120 23.5);

Tailwind

colors: {
  custom: {
    50: '#9f5d58',
    500: '#6f181c',
    950: '#000000',
  },
}

SCSS

$custom: #6f181c;
$custom-light: #9f5d58;
$custom-dark: #000000;

JSON

{
  "hex": "#6f181c",
  "rgb": {
    "r": 111,
    "g": 24,
    "b": 28
  },
  "hsl": {
    "h": 357.241,
    "s": 64.444,
    "l": 26.471
  },
  "oklch": {
    "l": 0.35997,
    "c": 0.12049,
    "h": 23.5
  },
  "luminance": 0.04117
}

Semantic roles & 50–950 ramp

primary

#6F181C

secondary

#3EA5A0

accent

#E7E040

background

#FAF5F5

surface

#F4E9E9

border

#CEC5C5

text

#100503

muted

#7F7978

Preview Lab

Preview with #6F181C

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

Preview Lab → · Contrast checker → · Palette generator →