#A72428#A72428
#A72428 is a mid, vivid red. Relative luminance 0.096; OKLCH L 47.9% C 0.167 H 24.9°. Best body text is #FFFFFF at 7.18:1 contrast (WCAG AA passes).
Color values
| HEX | #A72428 |
|---|---|
| RGB | rgb(167, 36, 40) |
| HSL | hsl(358, 65%, 40%) |
| HSV | hsv(358, 78%, 65%) |
| CMYK | cmyk(0%, 78.4%, 76%, 34.5%) |
| CIE-LAB | lab(37.18, 52.24, 31.45) |
| CIE-LCH | lch(37.18, 60.98, 31.05°) |
| OKLab | oklab(47.86% 0.1514 0.0703) |
| OKLCH | oklch(47.86% 0.167 24.9) |
| XYZ | xyz(16.9522, 9.6331, 2.9738) |
| Luminance | 0.0963 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brown
#A52A2A
ΔE00 0.84
Firebrick
#B22222
ΔE00 2.99
Carmine
#9D0216
ΔE00 4.37
Lipstick Red
#C0022F
ΔE00 5.08
Scarlet
#BE0119
ΔE00 5.10
Brick
#A03623
ΔE00 5.37
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A72428 #24A7A3
analogous
#A7246A #A72428 #A76224
triadic
#A72428 #28A724 #2428A7
tetradic
#A72428 #6AA724 #24A7A3 #6224A7
square
#A72428 #6AA724 #24A7A3 #6224A7
split-complementary
#A72428 #24A762 #246AA7
monochromatic
#420E10 #75191C #A72428 #D3353A #DE676B
Accessibility & contrast
On white
7.18
#A72428 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.93
#A72428 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #A72428
7.18:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A72428 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##A72428 | 1.00 | 7.18 | 2.93 | 7.18 |
| #FFFFFF | 7.18 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.93 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.18 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4C4527
Deuteranopia (green-blind)
#6D6223
Tritanopia (blue-blind)
#B80027
Achromatopsia (no color)
#575757
Design tokens & code
CSS
--color: #a72428; /* rgb */ color: rgb(167, 36, 40); /* oklch */ color: oklch(47.9% 0.167 24.9);
Tailwind
colors: {
custom: {
50: '#ca6b62',
500: '#a72428',
950: '#000000',
},
}SCSS
$custom: #a72428; $custom-light: #ca6b62; $custom-dark: #000000;
JSON
{
"hex": "#a72428",
"rgb": {
"r": 167,
"g": 36,
"b": 40
},
"hsl": {
"h": 358.168,
"s": 64.532,
"l": 39.804
},
"oklch": {
"l": 0.47863,
"c": 0.16691,
"h": 24.9
},
"luminance": 0.0963
}Semantic roles & 50–950 ramp
primary
#A72428
secondary
#63C4C1
accent
#E8E240
background
#FDF6F5
surface
#FBECEA
border
#D4C7C6
text
#150705
muted
#837A79