#381010#381010

#381010 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 24.0% C 0.064 H 23.2°. Best body text is #FFFFFF at 16.80:1 contrast (WCAG AA passes).

Color values

HEX	#381010
RGB	rgb(56, 16, 16)
HSL	hsl(0, 56%, 14%)
HSV	hsv(0, 71%, 22%)
CMYK	cmyk(0%, 71.4%, 71.4%, 78%)
CIE-LAB	lab(10.91, 19.93, 9.80)
CIE-LCH	lch(10.91, 22.20, 26.18°)
OKLab	oklab(23.97% 0.0589 0.0253)
OKLCH	oklch(23.97% 0.064 23.2)
XYZ	xyz(1.9099, 1.2490, 0.6306)
Luminance	0.0125 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381010 #103838

analogous

#381024 #381010 #382410

triadic

#381010 #103810 #101038

tetradic

#381010 #243810 #103838 #241038

square

#381010 #243810 #103838 #241038

split-complementary

#381010 #103824 #102438

monochromatic

#180707 #180707 #381010 #681E1E #972B2B

Accessibility & contrast

On white

16.80

#381010 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#381010 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381010

16.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381010	#FFFFFF	#000000	##FFFFFF
##381010	1.00	16.80	1.25	16.80
#FFFFFF	16.80	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A1810

Deuteranopia (green-blind)

#24200F

Tritanopia (blue-blind)

#3E0810

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #381010;
/* rgb */ color: rgb(56, 16, 16);
/* oklch */ color: oklch(24.0% 0.064 23.2);

Tailwind

colors: {
  custom: {
    50: '#72504e',
    500: '#381010',
    950: '#000000',
  },
}

SCSS

$custom: #381010;
$custom-light: #72504e;
$custom-dark: #000000;

JSON

{
  "hex": "#381010",
  "rgb": {
    "r": 56,
    "g": 16,
    "b": 16
  },
  "hsl": {
    "h": 0,
    "s": 55.556,
    "l": 14.118
  },
  "oklch": {
    "l": 0.23968,
    "c": 0.06404,
    "h": 23.2
  },
  "luminance": 0.01249
}

Semantic roles & 50–950 ramp

primary

#381010

secondary

#327272

accent

#DFDF49

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080201

muted

#7B7877

Preview Lab

Preview with #381010

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

Preview Lab → · Contrast checker → · Palette generator →