#40040A#40040A
#40040A is a very dark, moderate red. Relative luminance 0.012; OKLCH L 24.0% C 0.089 H 22.0°. Best body text is #FFFFFF at 16.94:1 contrast (WCAG AA passes).
Color values
| HEX | #40040A |
|---|---|
| RGB | rgb(64, 4, 10) |
| HSL | hsl(354, 88%, 13%) |
| HSV | hsv(354, 94%, 25%) |
| CMYK | cmyk(0%, 93.8%, 84.4%, 74.9%) |
| CIE-LAB | lab(10.55, 28.33, 12.44) |
| CIE-LCH | lch(10.55, 30.94, 23.71°) |
| OKLab | oklab(23.99% 0.0828 0.0335) |
| OKLCH | oklch(23.99% 0.089 22) |
| XYZ | xyz(2.2128, 1.1991, 0.4020) |
| Luminance | 0.0120 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dark Maroon
#3C0008
ΔE00 1.70
Deep Brown
#410200
ΔE00 2.34
Mahogany
#4A0100
ΔE00 4.26
Dried Blood
#4B0101
ΔE00 4.31
Burgundy (survey)
#610023
ΔE00 8.29
Maroon (survey)
#650021
ΔE00 8.33
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#40040A #04403A
analogous
#400428 #40040A #401C04
triadic
#40040A #0A4004 #040A40
tetradic
#40040A #284004 #04403A #1C0440
square
#40040A #284004 #04403A #1C0440
split-complementary
#40040A #04401C #042840
monochromatic
#1D0205 #1D0205 #40040A #7A0813 #B30B1C
Accessibility & contrast
On white
16.94
#40040A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.24
#40040A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #40040A
16.94:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##40040A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##40040A | 1.00 | 16.94 | 1.24 | 16.94 |
| #FFFFFF | 16.94 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.24 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.94 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#17140A
Deuteranopia (green-blind)
#262108
Tritanopia (blue-blind)
#470007
Achromatopsia (no color)
#1D1D1D
Design tokens & code
CSS
--color: #40040a; /* rgb */ color: rgb(64, 4, 10); /* oklch */ color: oklch(24.0% 0.089 22.0);
Tailwind
colors: {
custom: {
50: '#7a4b4b',
500: '#40040a',
950: '#000000',
},
}SCSS
$custom: #40040a; $custom-light: #7a4b4b; $custom-dark: #000000;
JSON
{
"hex": "#40040a",
"rgb": {
"r": 64,
"g": 4,
"b": 10
},
"hsl": {
"h": 354,
"s": 88.235,
"l": 13.333
},
"oklch": {
"l": 0.23992,
"c": 0.08929,
"h": 22
},
"luminance": 0.01199
}Semantic roles & 50–950 ramp
primary
#40040A
secondary
#1F8177
accent
#FEE929
background
#F7F4F4
surface
#EEE7E7
border
#C9C3C3
text
#0A0101
muted
#7C7777