#40050F#40050F

#40050F is a very dark, moderate red. Relative luminance 0.012; OKLCH L 24.2% C 0.088 H 17.9°. Best body text is #FFFFFF at 16.85:1 contrast (WCAG AA passes).

Color values

HEX	#40050F
RGB	rgb(64, 5, 15)
HSL	hsl(350, 86%, 14%)
HSV	hsv(350, 92%, 25%)
CMYK	cmyk(0%, 92.2%, 76.6%, 74.9%)
CIE-LAB	lab(10.80, 28.15, 10.45)
CIE-LCH	lch(10.80, 30.03, 20.37°)
OKLab	oklab(24.21% 0.0836 0.027)
OKLCH	oklch(24.21% 0.088 17.9)
XYZ	xyz(2.2551, 1.2334, 0.5712)
Luminance	0.0123 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40050F #054036

analogous

#40052C #40050F #401805

triadic

#40050F #0F4005 #050F40

tetradic

#40050F #2C4005 #054036 #180540

square

#40050F #2C4005 #054036 #180540

split-complementary

#40050F #054018 #052C40

monochromatic

#1C0207 #1C0207 #40050F #79091C #B20E2A

Accessibility & contrast

On white

16.85

#40050F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#40050F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40050F

16.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40050F	#FFFFFF	#000000	##FFFFFF
##40050F	1.00	16.85	1.25	16.85
#FFFFFF	16.85	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17150F

Deuteranopia (green-blind)

#26220D

Tritanopia (blue-blind)

#470009

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #40050f;
/* rgb */ color: rgb(64, 5, 15);
/* oklch */ color: oklch(24.2% 0.088 17.9);

Tailwind

colors: {
  custom: {
    50: '#7a4c4d',
    500: '#40050f',
    950: '#000000',
  },
}

SCSS

$custom: #40050f;
$custom-light: #7a4c4d;
$custom-dark: #000000;

JSON

{
  "hex": "#40050f",
  "rgb": {
    "r": 64,
    "g": 5,
    "b": 15
  },
  "hsl": {
    "h": 349.831,
    "s": 85.507,
    "l": 13.529
  },
  "oklch": {
    "l": 0.24207,
    "c": 0.08784,
    "h": 17.9
  },
  "luminance": 0.01233
}

Semantic roles & 50–950 ramp

primary

#40050F

secondary

#208170

accent

#FCD92C

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0101

muted

#7C7777

Preview Lab

Preview with #40050F

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

Preview Lab → · Contrast checker → · Palette generator →