#A42D1F#A42D1F
#A42D1F is a mid, vivid red. Relative luminance 0.099; OKLCH L 48.0% C 0.158 H 30.4°. Best body text is #FFFFFF at 7.06:1 contrast (WCAG AA passes).
Color values
| HEX | #A42D1F |
|---|---|
| RGB | rgb(164, 45, 31) |
| HSL | hsl(6, 68%, 38%) |
| HSV | hsv(6, 81%, 64%) |
| CMYK | cmyk(0%, 72.6%, 81.1%, 35.7%) |
| CIE-LAB | lab(37.61, 47.83, 36.88) |
| CIE-LCH | lch(37.61, 60.40, 37.64°) |
| OKLab | oklab(48.05% 0.136 0.0797) |
| OKLCH | oklch(48.05% 0.158 30.4) |
| XYZ | xyz(16.4975, 9.8708, 2.3326) |
| Luminance | 0.0987 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brick
#A03623
ΔE00 1.82
Brownish Red
#9E3623
ΔE00 1.97
Firebrick
#B22222
ΔE00 3.27
Brown
#A52A2A
ΔE00 3.79
Darkish Red
#A90308
ΔE00 4.11
Burnt Red
#9F2305
ΔE00 4.58
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A42D1F #1F96A4
analogous
#A41F53 #A42D1F #A46F1F
triadic
#A42D1F #1FA42D #2D1FA4
tetradic
#A42D1F #53A41F #1F96A4 #6F1FA4
square
#A42D1F #53A41F #1F96A4 #6F1FA4
split-complementary
#A42D1F #1FA46F #1F53A4
monochromatic
#3D110C #711F15 #A42D1F #D73C2A #E06B5D
Accessibility & contrast
On white
7.06
#A42D1F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.97
#A42D1F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #A42D1F
7.06:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A42D1F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##A42D1F | 1.00 | 7.06 | 2.97 | 7.06 |
| #FFFFFF | 7.06 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.97 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.06 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#51481C
Deuteranopia (green-blind)
#6E6219
Tritanopia (blue-blind)
#B5002B
Achromatopsia (no color)
#585858
Design tokens & code
CSS
--color: #a42d1f; /* rgb */ color: rgb(164, 45, 31); /* oklch */ color: oklch(48.0% 0.158 30.4);
Tailwind
colors: {
custom: {
50: '#c86e5c',
500: '#a42d1f',
950: '#000000',
},
}SCSS
$custom: #a42d1f; $custom-light: #c86e5c; $custom-dark: #000000;
JSON
{
"hex": "#a42d1f",
"rgb": {
"r": 164,
"g": 45,
"b": 31
},
"hsl": {
"h": 6.316,
"s": 68.205,
"l": 38.235
},
"oklch": {
"l": 0.48049,
"c": 0.15761,
"h": 30.4
},
"luminance": 0.09868
}Semantic roles & 50–950 ramp
primary
#A42D1F
secondary
#5AB9C5
accent
#D9EB3D
background
#FDF6F5
surface
#FAECE9
border
#D3C7C5
text
#150804
muted
#837B79