#6F171B#6F171B

#6F171B is a dark, vivid red. Relative luminance 0.041; OKLCH L 35.9% C 0.122 H 23.7°. Best body text is #FFFFFF at 11.58:1 contrast (WCAG AA passes).

Color values

HEX	#6F171B
RGB	rgb(111, 23, 27)
HSL	hsl(357, 66%, 26%)
HSV	hsv(357, 79%, 44%)
CMYK	cmyk(0%, 79.3%, 75.7%, 56.5%)
CIE-LAB	lab(23.91, 38.16, 21.39)
CIE-LCH	lch(23.91, 43.75, 29.27°)
OKLab	oklab(35.88% 0.1113 0.0488)
OKLCH	oklch(35.88% 0.122 23.7)
XYZ	xyz(7.0606, 4.0725, 1.4510)
Luminance	0.0407 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6F171B #176F6B

analogous

#6F1747 #6F171B #6F3F17

triadic

#6F171B #1B6F17 #171B6F

tetradic

#6F171B #476F17 #176F6B #3F176F

square

#6F171B #476F17 #176F6B #3F176F

split-complementary

#6F171B #176F3F #17476F

monochromatic

#190506 #3C0C0F #6F171B #A22227 #D32D34

Accessibility & contrast

On white

11.58

#6F171B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#6F171B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6F171B

11.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6F171B	#FFFFFF	#000000	##FFFFFF
##6F171B	1.00	11.58	1.81	11.58
#FFFFFF	11.58	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312D1A

Deuteranopia (green-blind)

#474018

Tritanopia (blue-blind)

#7B0019

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #6f171b;
/* rgb */ color: rgb(111, 23, 27);
/* oklch */ color: oklch(35.9% 0.122 23.7);

Tailwind

colors: {
  custom: {
    50: '#9f5c57',
    500: '#6f171b',
    950: '#000000',
  },
}

SCSS

$custom: #6f171b;
$custom-light: #9f5c57;
$custom-dark: #000000;

JSON

{
  "hex": "#6f171b",
  "rgb": {
    "r": 111,
    "g": 23,
    "b": 27
  },
  "hsl": {
    "h": 357.273,
    "s": 65.672,
    "l": 26.275
  },
  "oklch": {
    "l": 0.35883,
    "c": 0.12153,
    "h": 23.7
  },
  "luminance": 0.04071
}

Semantic roles & 50–950 ramp

primary

#6F171B

secondary

#3DA5A0

accent

#E9E13F

background

#FAF5F5

surface

#F4E9E9

border

#CEC5C5

text

#100403

muted

#7F7978

Preview Lab

Preview with #6F171B

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

Preview Lab → · Contrast checker → · Palette generator →