#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
RGB	rgb(64, 5, 10)
HSL	hsl(355, 86%, 14%)
HSV	hsv(355, 92%, 25%)
CMYK	cmyk(0%, 92.2%, 84.4%, 74.9%)
CIE-LAB	lab(10.71, 27.88, 12.66)
CIE-LCH	lch(10.71, 30.62, 24.43°)
OKLab	oklab(24.11% 0.0813 0.0339)
OKLCH	oklch(24.11% 0.088 22.6)
XYZ	xyz(2.2237, 1.2208, 0.4057)
Luminance	0.0122 (WCAG relative)
Temperature	warm
Family	red

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
##40050A	1.00	16.88	1.24	16.88
#FFFFFF	16.88	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.88	1.00	21.00	1.00

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 →