#40050A#40050A

#40050A is a very dark, moderate red. Relative luminance 0.012; OKLCH L 24.1% C 0.088 H 22.6°. Best body text is #FFFFFF at 16.88:1 contrast (WCAG AA passes).

Color values

HEX#40050A
RGBrgb(64, 5, 10)
HSLhsl(355, 86%, 14%)
HSVhsv(355, 92%, 25%)
CMYKcmyk(0%, 92.2%, 84.4%, 74.9%)
CIE-LABlab(10.71, 27.88, 12.66)
CIE-LCHlch(10.71, 30.62, 24.43°)
OKLaboklab(24.11% 0.0813 0.0339)
OKLCHoklch(24.11% 0.088 22.6)
XYZxyz(2.2237, 1.2208, 0.4057)
Luminance0.0122 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40050A #05403B
analogous
#400527 #40050A #401D05
triadic
#40050A #0A4005 #050A40
tetradic
#40050A #274005 #05403B #1D0540
square
#40050A #274005 #05403B #1D0540
split-complementary
#40050A #05401D #052740
monochromatic
#1C0204 #1C0204 #40050A #790913 #B20E1C

Accessibility & contrast

On white

16.88
#40050A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.24
#40050A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40050A
16.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40050A#FFFFFF#000000##FFFFFF
##40050A1.0016.881.2416.88
#FFFFFF16.881.0021.001.00
#0000001.2421.001.0021.00
##FFFFFF16.881.0021.001.00

Color blindness preview

Protanopia (red-blind)
#17150A
Deuteranopia (green-blind)
#262108
Tritanopia (blue-blind)
#470007
Achromatopsia (no color)
#1D1D1D

Design tokens & code

CSS
--color: #40050a;
/* rgb */ color: rgb(64, 5, 10);
/* oklch */ color: oklch(24.1% 0.088 22.6);
Tailwind
colors: {
  custom: {
    50: '#7a4c4b',
    500: '#40050a',
    950: '#000000',
  },
}
SCSS
$custom: #40050a;
$custom-light: #7a4c4b;
$custom-dark: #000000;
JSON
{
  "hex": "#40050a",
  "rgb": {
    "r": 64,
    "g": 5,
    "b": 10
  },
  "hsl": {
    "h": 354.915,
    "s": 85.507,
    "l": 13.529
  },
  "oklch": {
    "l": 0.2411,
    "c": 0.0881,
    "h": 22.6
  },
  "luminance": 0.0122
}

Semantic roles & 50–950 ramp

primary
#40050A
secondary
#208178
accent
#FCEA2C
background
#F7F4F4
surface
#EEE7E7
border
#C9C3C3
text
#0A0101
muted
#7C7777

Preview Lab

Preview with #40050A

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

Preview Lab → · Contrast checker → · Palette generator →

#40050A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva