#A33B29#A33B29
#A33B29 is a mid, vivid red. Relative luminance 0.111; OKLCH L 49.6% C 0.141 H 32.1°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).
Color values
| HEX | #A33B29 |
|---|---|
| RGB | rgb(163, 59, 41) |
| HSL | hsl(9, 60%, 40%) |
| HSV | hsv(9, 75%, 64%) |
| CMYK | cmyk(0%, 63.8%, 74.8%, 36.1%) |
| CIE-LAB | lab(39.71, 41.97, 33.47) |
| CIE-LCH | lch(39.71, 53.68, 38.57°) |
| OKLab | oklab(49.62% 0.1198 0.0751) |
| OKLCH | oklch(49.62% 0.141 32.1) |
| XYZ | xyz(17.0703, 11.0770, 3.3366) |
| Luminance | 0.1108 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brick
#A03623
ΔE00 1.43
Brownish Red
#9E3623
ΔE00 1.66
Firebrick
#B22222
ΔE00 4.72
Brown
#A52A2A
ΔE00 4.77
Rusty Red
#AF2F0D
ΔE00 5.29
Rust Red
#AA2704
ΔE00 5.91
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A33B29 #2991A3
analogous
#A32954 #A33B29 #A37829
triadic
#A33B29 #29A33B #3B29A3
tetradic
#A33B29 #54A329 #2991A3 #7829A3
square
#A33B29 #54A329 #2991A3 #7829A3
split-complementary
#A33B29 #29A378 #2954A3
monochromatic
#411810 #72291D #A33B29 #CE513B #DA7C6C
Accessibility & contrast
On white
6.53
#A33B29 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.22
#A33B29 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #A33B29
6.53:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A33B29 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##A33B29 | 1.00 | 6.53 | 3.22 | 6.53 |
| #FFFFFF | 6.53 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.22 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.53 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#584F26
Deuteranopia (green-blind)
#726626
Tritanopia (blue-blind)
#B32137
Achromatopsia (no color)
#5E5E5E
Design tokens & code
CSS
--color: #a33b29; /* rgb */ color: rgb(163, 59, 41); /* oklch */ color: oklch(49.6% 0.141 32.1);
Tailwind
colors: {
custom: {
50: '#c67664',
500: '#a33b29',
950: '#000000',
},
}SCSS
$custom: #a33b29; $custom-light: #c67664; $custom-dark: #000000;
JSON
{
"hex": "#a33b29",
"rgb": {
"r": 163,
"g": 59,
"b": 41
},
"hsl": {
"h": 8.852,
"s": 59.804,
"l": 40
},
"oklch": {
"l": 0.49624,
"c": 0.14144,
"h": 32.1
},
"luminance": 0.11075
}Semantic roles & 50–950 ramp
primary
#A33B29
secondary
#67B4C1
accent
#CCE345
background
#FDF7F6
surface
#FAEDEB
border
#D3C8C6
text
#140905
muted
#837B7A