#381018#381018

#381018 is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.2% C 0.064 H 11.1°. Best body text is #FFFFFF at 16.73:1 contrast (WCAG AA passes).

Color values

HEX	#381018
RGB	rgb(56, 16, 24)
HSL	hsl(348, 56%, 14%)
HSV	hsv(348, 71%, 22%)
CMYK	cmyk(0%, 71.4%, 57.1%, 78%)
CIE-LAB	lab(11.12, 20.72, 4.78)
CIE-LCH	lch(11.12, 21.27, 13.00°)
OKLab	oklab(24.19% 0.0628 0.0123)
OKLCH	oklch(24.19% 0.064 11.1)
XYZ	xyz(1.9812, 1.2775, 1.0062)
Luminance	0.0128 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381018 #103830

analogous

#38102C #381018 #381C10

triadic

#381018 #183810 #101838

tetradic

#381018 #2C3810 #103830 #1C1038

square

#381018 #2C3810 #103830 #1C1038

split-complementary

#381018 #10381C #102C38

monochromatic

#18070A #18070A #381018 #681E2C #972B41

Accessibility & contrast

On white

16.73

#381018 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#381018 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381018

16.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381018	#FFFFFF	#000000	##FFFFFF
##381018	1.00	16.73	1.26	16.73
#FFFFFF	16.73	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#191918

Deuteranopia (green-blind)

#232117

Tritanopia (blue-blind)

#3E0A13

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #381018;
/* rgb */ color: rgb(56, 16, 24);
/* oklch */ color: oklch(24.2% 0.064 11.1);

Tailwind

colors: {
  custom: {
    50: '#715054',
    500: '#381018',
    950: '#000000',
  },
}

SCSS

$custom: #381018;
$custom-light: #715054;
$custom-dark: #000000;

JSON

{
  "hex": "#381018",
  "rgb": {
    "r": 56,
    "g": 16,
    "b": 24
  },
  "hsl": {
    "h": 348,
    "s": 55.556,
    "l": 14.118
  },
  "oklch": {
    "l": 0.24187,
    "c": 0.06396,
    "h": 11.1
  },
  "luminance": 0.01277
}

Semantic roles & 50–950 ramp

primary

#381018

secondary

#327265

accent

#DFC149

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080202

muted

#7B7878

Preview Lab

Preview with #381018

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

Preview Lab → · Contrast checker → · Palette generator →