#A43333#A43333
#A43333 is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.0% C 0.149 H 24.5°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).
Color values
| HEX | #A43333 |
|---|---|
| RGB | rgb(164, 51, 51) |
| HSL | hsl(0, 53%, 42%) |
| HSV | hsv(0, 69%, 64%) |
| CMYK | cmyk(0%, 68.9%, 68.9%, 35.7%) |
| CIE-LAB | lab(38.73, 46.33, 26.47) |
| CIE-LCH | lch(38.73, 53.36, 29.74°) |
| OKLab | oklab(48.97% 0.1355 0.0617) |
| OKLCH | oklch(48.97% 0.149 24.5) |
| XYZ | xyz(17.0930, 10.5016, 4.2583) |
| Luminance | 0.1050 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brown
#A52A2A
ΔE00 2.05
Firebrick
#B22222
ΔE00 4.59
Brick
#A03623
ΔE00 5.65
Brownish Red
#9E3623
ΔE00 5.68
Dull Red
#BB3F3F
ΔE00 5.69
Lipstick Red
#C0022F
ΔE00 5.70
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A43333 #33A4A4
analogous
#A4336C #A43333 #A46C33
triadic
#A43333 #33A433 #3333A4
tetradic
#A43333 #6CA433 #33A4A4 #6C33A4
square
#A43333 #6CA433 #33A4A4 #6C33A4
split-complementary
#A43333 #33A46C #336CA4
monochromatic
#471616 #752424 #A43333 #C84D4D #D67B7B
Accessibility & contrast
On white
6.77
#A43333 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.10
#A43333 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #A43333
6.77:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A43333 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##A43333 | 1.00 | 6.77 | 3.10 | 6.77 |
| #FFFFFF | 6.77 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.10 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.77 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#524C32
Deuteranopia (green-blind)
#6E6430
Tritanopia (blue-blind)
#B41334
Achromatopsia (no color)
#5B5B5B
Design tokens & code
CSS
--color: #a43333; /* rgb */ color: rgb(164, 51, 51); /* oklch */ color: oklch(49.0% 0.149 24.5);
Tailwind
colors: {
custom: {
50: '#c6726a',
500: '#a43333',
950: '#000000',
},
}SCSS
$custom: #a43333; $custom-light: #c6726a; $custom-dark: #000000;
JSON
{
"hex": "#a43333",
"rgb": {
"r": 164,
"g": 51,
"b": 51
},
"hsl": {
"h": 0,
"s": 52.558,
"l": 42.157
},
"oklch": {
"l": 0.48965,
"c": 0.14887,
"h": 24.5
},
"luminance": 0.10499
}Semantic roles & 50–950 ramp
primary
#A43333
secondary
#74BFBF
accent
#DCDC4C
background
#FDF7F6
surface
#FAEDEB
border
#D3C8C6
text
#140806
muted
#837B7A