#331018#331018

#331018 is a very dark, muted red. Relative luminance 0.011; OKLCH L 23.2% C 0.057 H 8.5°. Best body text is #FFFFFF at 17.10:1 contrast (WCAG AA passes).

Color values

HEX	#331018
RGB	rgb(51, 16, 24)
HSL	hsl(346, 52%, 13%)
HSV	hsv(346, 69%, 20%)
CMYK	cmyk(0%, 68.6%, 52.9%, 80%)
CIE-LAB	lab(10.11, 18.61, 3.22)
CIE-LCH	lch(10.11, 18.89, 9.82°)
OKLab	oklab(23.24% 0.0565 0.0084)
OKLCH	oklch(23.24% 0.057 8.5)
XYZ	xyz(1.7155, 1.1405, 0.9938)
Luminance	0.0114 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331018 #10332B

analogous

#331029 #331018 #331910

triadic

#331018 #183310 #101833

tetradic

#331018 #293310 #10332B #191033

square

#331018 #293310 #10332B #191033

split-complementary

#331018 #103319 #102933

monochromatic

#17070B #17070B #331018 #621F2E #902D44

Accessibility & contrast

On white

17.10

#331018 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#331018 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331018

17.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331018	#FFFFFF	#000000	##FFFFFF
##331018	1.00	17.10	1.23	17.10
#FFFFFF	17.10	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171718

Deuteranopia (green-blind)

#201E17

Tritanopia (blue-blind)

#380C13

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #331018;
/* rgb */ color: rgb(51, 16, 24);
/* oklch */ color: oklch(23.2% 0.057 8.5);

Tailwind

colors: {
  custom: {
    50: '#6d5054',
    500: '#331018',
    950: '#000000',
  },
}

SCSS

$custom: #331018;
$custom-light: #6d5054;
$custom-dark: #000000;

JSON

{
  "hex": "#331018",
  "rgb": {
    "r": 51,
    "g": 16,
    "b": 24
  },
  "hsl": {
    "h": 346.286,
    "s": 52.239,
    "l": 13.137
  },
  "oklch": {
    "l": 0.23237,
    "c": 0.05716,
    "h": 8.5
  },
  "luminance": 0.0114
}

Semantic roles & 50–950 ramp

primary

#331018

secondary

#326C5F

accent

#DCBB4C

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#070202

muted

#7A7878

Preview Lab

Preview with #331018

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

Preview Lab → · Contrast checker → · Palette generator →