#40050C#40050C

#40050C is a very dark, moderate red. Relative luminance 0.012; OKLCH L 24.1% C 0.088 H 20.8°. Best body text is #FFFFFF at 16.87:1 contrast (WCAG AA passes).

Color values

HEX	#40050C
RGB	rgb(64, 5, 12)
HSL	hsl(353, 86%, 14%)
HSV	hsv(353, 92%, 25%)
CMYK	cmyk(0%, 92.2%, 81.2%, 74.9%)
CIE-LAB	lab(10.74, 27.98, 11.85)
CIE-LCH	lch(10.74, 30.38, 22.95°)
OKLab	oklab(24.15% 0.0822 0.0313)
OKLCH	oklch(24.15% 0.088 20.8)
XYZ	xyz(2.2352, 1.2254, 0.4666)
Luminance	0.0123 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40050C #054039

analogous

#400529 #40050C #401B05

triadic

#40050C #0C4005 #050C40

tetradic

#40050C #294005 #054039 #1B0540

square

#40050C #294005 #054039 #1B0540

split-complementary

#40050C #05401B #052940

monochromatic

#1C0205 #1C0205 #40050C #790917 #B20E21

Accessibility & contrast

On white

16.87

#40050C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#40050C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40050C

16.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40050C	#FFFFFF	#000000	##FFFFFF
##40050C	1.00	16.87	1.24	16.87
#FFFFFF	16.87	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17150C

Deuteranopia (green-blind)

#26210A

Tritanopia (blue-blind)

#470008

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #40050c;
/* rgb */ color: rgb(64, 5, 12);
/* oklch */ color: oklch(24.1% 0.088 20.8);

Tailwind

colors: {
  custom: {
    50: '#7a4c4c',
    500: '#40050c',
    950: '#000000',
  },
}

SCSS

$custom: #40050c;
$custom-light: #7a4c4c;
$custom-dark: #000000;

JSON

{
  "hex": "#40050c",
  "rgb": {
    "r": 64,
    "g": 5,
    "b": 12
  },
  "hsl": {
    "h": 352.881,
    "s": 85.507,
    "l": 13.529
  },
  "oklch": {
    "l": 0.24146,
    "c": 0.08794,
    "h": 20.8
  },
  "luminance": 0.01225
}

Semantic roles & 50–950 ramp

primary

#40050C

secondary

#208175

accent

#FCE32C

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0101

muted

#7C7777

Preview Lab

Preview with #40050C

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

Preview Lab → · Contrast checker → · Palette generator →