#6F181D#6F181D

#6F181D is a dark, vivid red. Relative luminance 0.041; OKLCH L 36.0% C 0.120 H 22.8°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#6F181D
RGB	rgb(111, 24, 29)
HSL	hsl(357, 64%, 26%)
HSV	hsv(357, 78%, 44%)
CMYK	cmyk(0%, 78.4%, 73.9%, 56.5%)
CIE-LAB	lab(24.07, 37.90, 20.27)
CIE-LCH	lch(24.07, 42.98, 28.14°)
OKLab	oklab(36.01% 0.1109 0.0467)
OKLCH	oklch(36.01% 0.12 22.8)
XYZ	xyz(7.1047, 4.1226, 1.5838)
Luminance	0.0412 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6F181D #186F6A

analogous

#6F1849 #6F181D #6F3F18

triadic

#6F181D #1D6F18 #181D6F

tetradic

#6F181D #496F18 #186F6A #3F186F

square

#6F181D #496F18 #186F6A #3F186F

split-complementary

#6F181D #186F3F #18496F

monochromatic

#190507 #3D0D10 #6F181D #A1232A #D22F39

Accessibility & contrast

On white

11.51

#6F181D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#6F181D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6F181D

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6F181D	#FFFFFF	#000000	##FFFFFF
##6F181D	1.00	11.51	1.82	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#322D1C

Deuteranopia (green-blind)

#47401A

Tritanopia (blue-blind)

#7B001B

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #6f181d;
/* rgb */ color: rgb(111, 24, 29);
/* oklch */ color: oklch(36.0% 0.120 22.8);

Tailwind

colors: {
  custom: {
    50: '#9f5d59',
    500: '#6f181d',
    950: '#000000',
  },
}

SCSS

$custom: #6f181d;
$custom-light: #9f5d59;
$custom-dark: #000000;

JSON

{
  "hex": "#6f181d",
  "rgb": {
    "r": 111,
    "g": 24,
    "b": 29
  },
  "hsl": {
    "h": 356.552,
    "s": 64.444,
    "l": 26.471
  },
  "oklch": {
    "l": 0.36014,
    "c": 0.12038,
    "h": 22.8
  },
  "luminance": 0.04121
}

Semantic roles & 50–950 ramp

primary

#6F181D

secondary

#3EA59F

accent

#E7DE40

background

#FAF5F5

surface

#F4E9E9

border

#CEC5C5

text

#100503

muted

#7F7978

Preview Lab

Preview with #6F181D

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

Preview Lab → · Contrast checker → · Palette generator →