#6F181F#6F181F

#6F181F is a dark, vivid red. Relative luminance 0.041; OKLCH L 36.0% C 0.120 H 21.6°. Best body text is #FFFFFF at 11.50:1 contrast (WCAG AA passes).

Color values

HEX	#6F181F
RGB	rgb(111, 24, 31)
HSL	hsl(355, 64%, 26%)
HSV	hsv(355, 78%, 44%)
CMYK	cmyk(0%, 78.4%, 72.1%, 56.5%)
CIE-LAB	lab(24.11, 38.01, 18.98)
CIE-LCH	lch(24.11, 42.48, 26.54°)
OKLab	oklab(36.05% 0.1118 0.0443)
OKLCH	oklch(36.05% 0.12 21.6)
XYZ	xyz(7.1303, 4.1328, 1.7183)
Luminance	0.0413 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6F181F #186F68

analogous

#6F184B #6F181F #6F3D18

triadic

#6F181F #1F6F18 #181F6F

tetradic

#6F181F #4B6F18 #186F68 #3D186F

square

#6F181F #4B6F18 #186F68 #3D186F

split-complementary

#6F181F #186F3D #184B6F

monochromatic

#190507 #3D0D11 #6F181F #A1232D #D22F3C

Accessibility & contrast

On white

11.50

#6F181F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#6F181F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6F181F

11.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6F181F	#FFFFFF	#000000	##FFFFFF
##6F181F	1.00	11.50	1.83	11.50
#FFFFFF	11.50	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312D1F

Deuteranopia (green-blind)

#47401C

Tritanopia (blue-blind)

#7B001B

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #6f181f;
/* rgb */ color: rgb(111, 24, 31);
/* oklch */ color: oklch(36.0% 0.120 21.6);

Tailwind

colors: {
  custom: {
    50: '#9f5d5a',
    500: '#6f181f',
    950: '#000000',
  },
}

SCSS

$custom: #6f181f;
$custom-light: #9f5d5a;
$custom-dark: #000000;

JSON

{
  "hex": "#6f181f",
  "rgb": {
    "r": 111,
    "g": 24,
    "b": 31
  },
  "hsl": {
    "h": 355.172,
    "s": 64.444,
    "l": 26.471
  },
  "oklch": {
    "l": 0.36049,
    "c": 0.12021,
    "h": 21.6
  },
  "luminance": 0.04132
}

Semantic roles & 50–950 ramp

primary

#6F181F

secondary

#3EA59C

accent

#E7DA40

background

#FAF5F5

surface

#F4E9E9

border

#CEC5C5

text

#100503

muted

#7F7978

Preview Lab

Preview with #6F181F

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

Preview Lab → · Contrast checker → · Palette generator →