#6F181B#6F181B

#6F181B is a dark, vivid red. Relative luminance 0.041; OKLCH L 36.0% C 0.121 H 24.0°. Best body text is #FFFFFF at 11.52:1 contrast (WCAG AA passes).

Color values

HEX	#6F181B
RGB	rgb(111, 24, 27)
HSL	hsl(358, 64%, 26%)
HSV	hsv(358, 78%, 44%)
CMYK	cmyk(0%, 78.4%, 75.7%, 56.5%)
CIE-LAB	lab(24.04, 37.79, 21.55)
CIE-LCH	lch(24.04, 43.50, 29.69°)
OKLab	oklab(35.98% 0.1101 0.0491)
OKLCH	oklch(35.98% 0.121 24)
XYZ	xyz(7.0808, 4.1130, 1.4577)
Luminance	0.0411 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6F181B #186F6C

analogous

#6F1847 #6F181B #6F4118

triadic

#6F181B #1B6F18 #181B6F

tetradic

#6F181B #476F18 #186F6C #41186F

square

#6F181B #476F18 #186F6C #41186F

split-complementary

#6F181B #186F41 #18476F

monochromatic

#190506 #3D0D0F #6F181B #A12327 #D22F35

Accessibility & contrast

On white

11.52

#6F181B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#6F181B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6F181B

11.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6F181B	#FFFFFF	#000000	##FFFFFF
##6F181B	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)

#322D1A

Deuteranopia (green-blind)

#474018

Tritanopia (blue-blind)

#7B001A

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #6f181b;
/* rgb */ color: rgb(111, 24, 27);
/* oklch */ color: oklch(36.0% 0.121 24.0);

Tailwind

colors: {
  custom: {
    50: '#9f5d57',
    500: '#6f181b',
    950: '#000000',
  },
}

SCSS

$custom: #6f181b;
$custom-light: #9f5d57;
$custom-dark: #000000;

JSON

{
  "hex": "#6f181b",
  "rgb": {
    "r": 111,
    "g": 24,
    "b": 27
  },
  "hsl": {
    "h": 357.931,
    "s": 64.444,
    "l": 26.471
  },
  "oklch": {
    "l": 0.35981,
    "c": 0.1206,
    "h": 24
  },
  "luminance": 0.04112
}

Semantic roles & 50–950 ramp

primary

#6F181B

secondary

#3EA5A1

accent

#E7E240

background

#FAF5F5

surface

#F4E9E9

border

#CEC5C5

text

#100403

muted

#7F7978

Preview Lab

Preview with #6F181B

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

Preview Lab → · Contrast checker → · Palette generator →