#A33825#A33825
#A33825 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.2% C 0.145 H 32.3°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).
Color values
| HEX | #A33825 |
|---|---|
| RGB | rgb(163, 56, 37) |
| HSL | hsl(9, 63%, 39%) |
| HSV | hsv(9, 77%, 64%) |
| CMYK | cmyk(0%, 65.6%, 77.3%, 36.1%) |
| CIE-LAB | lab(39.16, 43.16, 35.11) |
| CIE-LCH | lch(39.16, 55.64, 39.13°) |
| OKLab | oklab(49.2% 0.1227 0.0777) |
| OKLCH | oklch(49.2% 0.145 32.3) |
| XYZ | xyz(16.8542, 10.7509, 2.9376) |
| Luminance | 0.1075 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brick
#A03623
ΔE00 0.78
Brownish Red
#9E3623
ΔE00 1.14
Firebrick
#B22222
ΔE00 4.54
Rusty Red
#AF2F0D
ΔE00 4.69
Brown
#A52A2A
ΔE00 4.84
Rust Red
#AA2704
ΔE00 5.16
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A33825 #2590A3
analogous
#A32551 #A33825 #A37725
triadic
#A33825 #25A338 #3825A3
tetradic
#A33825 #51A325 #2590A3 #7725A3
square
#A33825 #51A325 #2590A3 #7725A3
split-complementary
#A33825 #25A377 #2551A3
monochromatic
#3F160E #71271A #A33825 #D14C34 #DC7866
Accessibility & contrast
On white
6.67
#A33825 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.15
#A33825 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #A33825
6.67:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A33825 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##A33825 | 1.00 | 6.67 | 3.15 | 6.67 |
| #FFFFFF | 6.67 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.15 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.67 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#564D22
Deuteranopia (green-blind)
#716521
Tritanopia (blue-blind)
#B31B34
Achromatopsia (no color)
#5C5C5C
Design tokens & code
CSS
--color: #a33825; /* rgb */ color: rgb(163, 56, 37); /* oklch */ color: oklch(49.2% 0.145 32.3);
Tailwind
colors: {
custom: {
50: '#c67461',
500: '#a33825',
950: '#000000',
},
}SCSS
$custom: #a33825; $custom-light: #c67461; $custom-dark: #000000;
JSON
{
"hex": "#a33825",
"rgb": {
"r": 163,
"g": 56,
"b": 37
},
"hsl": {
"h": 9.048,
"s": 63,
"l": 39.216
},
"oklch": {
"l": 0.49195,
"c": 0.14525,
"h": 32.3
},
"luminance": 0.10748
}Semantic roles & 50–950 ramp
primary
#A33825
secondary
#62B4C2
accent
#CDE642
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#140805
muted
#837B79