#311017#311017

#311017 is a very dark, muted red. Relative luminance 0.011; OKLCH L 22.8% C 0.054 H 9.2°. Best body text is #FFFFFF at 17.26:1 contrast (WCAG AA passes).

Color values

HEX	#311017
RGB	rgb(49, 16, 23)
HSL	hsl(347, 51%, 13%)
HSV	hsv(347, 67%, 19%)
CMYK	cmyk(0%, 67.3%, 53.1%, 80.8%)
CIE-LAB	lab(9.69, 17.61, 3.32)
CIE-LCH	lch(9.69, 17.92, 10.67°)
OKLab	oklab(22.83% 0.0535 0.0087)
OKLCH	oklch(22.83% 0.054 9.2)
XYZ	xyz(1.6067, 1.0856, 0.9354)
Luminance	0.0109 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311017 #10312A

analogous

#311027 #311017 #311910

triadic

#311017 #173110 #101731

tetradic

#311017 #273110 #10312A #191031

square

#311017 #273110 #10312A #191031

split-complementary

#311017 #103119 #102731

monochromatic

#17080B #17080B #311017 #5F1F2D #8D2E42

Accessibility & contrast

On white

17.26

#311017 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#311017 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311017

17.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311017	#FFFFFF	#000000	##FFFFFF
##311017	1.00	17.26	1.22	17.26
#FFFFFF	17.26	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171717

Deuteranopia (green-blind)

#1F1D16

Tritanopia (blue-blind)

#360C13

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #311017;
/* rgb */ color: rgb(49, 16, 23);
/* oklch */ color: oklch(22.8% 0.054 9.2);

Tailwind

colors: {
  custom: {
    50: '#6b4f53',
    500: '#311017',
    950: '#000000',
  },
}

SCSS

$custom: #311017;
$custom-light: #6b4f53;
$custom-dark: #000000;

JSON

{
  "hex": "#311017",
  "rgb": {
    "r": 49,
    "g": 16,
    "b": 23
  },
  "hsl": {
    "h": 347.273,
    "s": 50.769,
    "l": 12.745
  },
  "oklch": {
    "l": 0.2283,
    "c": 0.05416,
    "h": 9.2
  },
  "luminance": 0.01085
}

Semantic roles & 50–950 ramp

primary

#311017

secondary

#336A5E

accent

#DABC4E

background

#F6F4F4

surface

#EBE7E7

border

#C6C3C3

text

#070202

muted

#7A7878

Preview Lab

Preview with #311017

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

Preview Lab → · Contrast checker → · Palette generator →