#40050D#40050D

#40050D is a very dark, moderate red. Relative luminance 0.012; OKLCH L 24.2% C 0.088 H 19.9°. Best body text is #FFFFFF at 16.86:1 contrast (WCAG AA passes).

Color values

HEX	#40050D
RGB	rgb(64, 5, 13)
HSL	hsl(352, 86%, 14%)
HSV	hsv(352, 92%, 25%)
CMYK	cmyk(0%, 92.2%, 79.7%, 74.9%)
CIE-LAB	lab(10.76, 28.03, 11.41)
CIE-LCH	lch(10.76, 30.27, 22.14°)
OKLab	oklab(24.17% 0.0827 0.0299)
OKLCH	oklch(24.17% 0.088 19.9)
XYZ	xyz(2.2415, 1.2279, 0.4997)
Luminance	0.0123 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40050D #054038

analogous

#40052A #40050D #401A05

triadic

#40050D #0D4005 #050D40

tetradic

#40050D #2A4005 #054038 #1A0540

square

#40050D #2A4005 #054038 #1A0540

split-complementary

#40050D #05401A #052A40

monochromatic

#1C0206 #1C0206 #40050D #790919 #B20E24

Accessibility & contrast

On white

16.86

#40050D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#40050D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40050D

16.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40050D	#FFFFFF	#000000	##FFFFFF
##40050D	1.00	16.86	1.25	16.86
#FFFFFF	16.86	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17150D

Deuteranopia (green-blind)

#26210B

Tritanopia (blue-blind)

#470008

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #40050d;
/* rgb */ color: rgb(64, 5, 13);
/* oklch */ color: oklch(24.2% 0.088 19.9);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#40050d",
  "rgb": {
    "r": 64,
    "g": 5,
    "b": 13
  },
  "hsl": {
    "h": 351.864,
    "s": 85.507,
    "l": 13.529
  },
  "oklch": {
    "l": 0.24165,
    "c": 0.0879,
    "h": 19.9
  },
  "luminance": 0.01228
}

Semantic roles & 50–950 ramp

primary

#40050D

secondary

#208173

accent

#FCE02C

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0101

muted

#7C7777

Preview Lab

Preview with #40050D

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

Preview Lab → · Contrast checker → · Palette generator →