#A33D30#A33D30
#A33D30 is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.0% C 0.138 H 30.0°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).
Color values
| HEX | #A33D30 |
|---|---|
| RGB | rgb(163, 61, 48) |
| HSL | hsl(7, 55%, 41%) |
| HSV | hsv(7, 71%, 64%) |
| CMYK | cmyk(0%, 62.6%, 70.6%, 36.1%) |
| CIE-LAB | lab(40.15, 41.39, 29.92) |
| CIE-LCH | lch(40.15, 51.07, 35.86°) |
| OKLab | oklab(49.98% 0.1195 0.0688) |
| OKLCH | oklch(49.98% 0.138 30) |
| XYZ | xyz(17.3083, 11.3398, 4.0731) |
| Luminance | 0.1134 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brick
#A03623
ΔE00 2.90
Brownish Red
#9E3623
ΔE00 3.02
Brown
#A52A2A
ΔE00 3.98
Firebrick
#B22222
ΔE00 4.70
Dull Red
#BB3F3F
ΔE00 6.07
Rusty Red
#AF2F0D
ΔE00 6.95
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A33D30 #3096A3
analogous
#A3305D #A33D30 #A37730
triadic
#A33D30 #30A33D #3D30A3
tetradic
#A33D30 #5DA330 #3096A3 #7730A3
square
#A33D30 #5DA330 #3096A3 #7730A3
split-complementary
#A33D30 #30A377 #305DA3
monochromatic
#441A14 #742B22 #A33D30 #C95647 #D78177
Accessibility & contrast
On white
6.43
#A33D30 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.27
#A33D30 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #A33D30
6.43:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A33D30 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##A33D30 | 1.00 | 6.43 | 3.27 | 6.43 |
| #FFFFFF | 6.43 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.27 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.43 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#59512E
Deuteranopia (green-blind)
#72672D
Tritanopia (blue-blind)
#B3263A
Achromatopsia (no color)
#5F5F5F
Design tokens & code
CSS
--color: #a33d30; /* rgb */ color: rgb(163, 61, 48); /* oklch */ color: oklch(50.0% 0.138 30.0);
Tailwind
colors: {
custom: {
50: '#c57769',
500: '#a33d30',
950: '#000000',
},
}SCSS
$custom: #a33d30; $custom-light: #c57769; $custom-dark: #000000;
JSON
{
"hex": "#a33d30",
"rgb": {
"r": 163,
"g": 61,
"b": 48
},
"hsl": {
"h": 6.783,
"s": 54.502,
"l": 41.373
},
"oklch": {
"l": 0.49982,
"c": 0.13788,
"h": 30
},
"luminance": 0.11337
}Semantic roles & 50–950 ramp
primary
#A33D30
secondary
#70B6BF
accent
#CDDE4A
background
#FDF7F6
surface
#FAEDEB
border
#D3C8C6
text
#140906
muted
#837B7A