#A33F34#A33F34
#A33F34 is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.3% C 0.135 H 29.0°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).
Color values
| HEX | #A33F34 |
|---|---|
| RGB | rgb(163, 63, 52) |
| HSL | hsl(6, 52%, 42%) |
| HSV | hsv(6, 68%, 64%) |
| CMYK | cmyk(0%, 61.3%, 68.1%, 36.1%) |
| CIE-LAB | lab(40.56, 40.67, 28.04) |
| CIE-LCH | lch(40.56, 49.40, 34.58°) |
| OKLab | oklab(50.31% 0.118 0.0654) |
| OKLCH | oklch(50.31% 0.135 29) |
| XYZ | xyz(17.5033, 11.5918, 4.5639) |
| Luminance | 0.1159 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brick
#A03623
ΔE00 3.83
Brownish Red
#9E3623
ΔE00 3.92
Brown
#A52A2A
ΔE00 4.09
Firebrick
#B22222
ΔE00 5.14
Dull Red
#BB3F3F
ΔE00 5.52
Reddish
#C44240
ΔE00 7.13
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A33F34 #3498A3
analogous
#A33461 #A33F34 #A37734
triadic
#A33F34 #34A33F #3F34A3
tetradic
#A33F34 #61A334 #3498A3 #7734A3
square
#A33F34 #61A334 #3498A3 #7734A3
split-complementary
#A33F34 #34A377 #3461A3
monochromatic
#461B16 #752D25 #A33F34 #C65A4E #D5857C
Accessibility & contrast
On white
6.33
#A33F34 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.32
#A33F34 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #A33F34
6.33:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A33F34 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##A33F34 | 1.00 | 6.33 | 3.32 | 6.33 |
| #FFFFFF | 6.33 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.32 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.33 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#595232
Deuteranopia (green-blind)
#726831
Tritanopia (blue-blind)
#B3293D
Achromatopsia (no color)
#606060
Design tokens & code
CSS
--color: #a33f34; /* rgb */ color: rgb(163, 63, 52); /* oklch */ color: oklch(50.3% 0.135 29.0);
Tailwind
colors: {
custom: {
50: '#c5786c',
500: '#a33f34',
950: '#000000',
},
}SCSS
$custom: #a33f34; $custom-light: #c5786c; $custom-dark: #000000;
JSON
{
"hex": "#a33f34",
"rgb": {
"r": 163,
"g": 63,
"b": 52
},
"hsl": {
"h": 5.946,
"s": 51.628,
"l": 42.157
},
"oklch": {
"l": 0.50311,
"c": 0.13491,
"h": 29
},
"luminance": 0.11589
}Semantic roles & 50–950 ramp
primary
#A33F34
secondary
#75B7BE
accent
#CDDB4D
background
#FCF7F6
surface
#F9EDEB
border
#D2C8C6
text
#140907
muted
#827B7A