#A83037#A83037
#A83037 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.4% C 0.156 H 21.9°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).
Color values
| HEX | #A83037 |
|---|---|
| RGB | rgb(168, 48, 55) |
| HSL | hsl(357, 56%, 42%) |
| HSV | hsv(357, 71%, 66%) |
| CMYK | cmyk(0%, 71.4%, 67.3%, 34.1%) |
| CIE-LAB | lab(39.10, 49.08, 24.64) |
| CIE-LCH | lch(39.10, 54.92, 26.66°) |
| OKLab | oklab(49.4% 0.1445 0.0581) |
| OKLCH | oklch(49.4% 0.156 21.9) |
| XYZ | xyz(17.8969, 10.7172, 4.7399) |
| Luminance | 0.1071 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brown
#A52A2A
ΔE00 3.31
Lipstick Red
#C0022F
ΔE00 4.78
Rouge
#AB1239
ΔE00 5.04
Cardinal
#C41E3A
ΔE00 5.12
Dull Red
#BB3F3F
ΔE00 5.49
Firebrick
#B22222
ΔE00 5.56
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A83037 #30A8A1
analogous
#A83073 #A83037 #A86530
triadic
#A83037 #37A830 #3037A8
tetradic
#A83037 #73A830 #30A8A1 #6530A8
square
#A83037 #73A830 #30A8A1 #6530A8
split-complementary
#A83037 #30A865 #3073A8
monochromatic
#491518 #782227 #A83037 #CB4A51 #D97A7F
Accessibility & contrast
On white
6.68
#A83037 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.14
#A83037 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #A83037
6.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A83037 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##A83037 | 1.00 | 6.68 | 3.14 | 6.68 |
| #FFFFFF | 6.68 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.14 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.68 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#514C36
Deuteranopia (green-blind)
#706533
Tritanopia (blue-blind)
#B90834
Achromatopsia (no color)
#5C5C5C
Design tokens & code
CSS
--color: #a83037; /* rgb */ color: rgb(168, 48, 55); /* oklch */ color: oklch(49.4% 0.156 21.9);
Tailwind
colors: {
custom: {
50: '#c9716d',
500: '#a83037',
950: '#000000',
},
}SCSS
$custom: #a83037; $custom-light: #c9716d; $custom-dark: #000000;
JSON
{
"hex": "#a83037",
"rgb": {
"r": 168,
"g": 48,
"b": 55
},
"hsl": {
"h": 356.5,
"s": 55.556,
"l": 42.353
},
"oklch": {
"l": 0.494,
"c": 0.15576,
"h": 21.9
},
"luminance": 0.10715
}Semantic roles & 50–950 ramp
primary
#A83037
secondary
#73C1BD
accent
#DFD649
background
#FDF7F6
surface
#FAEDEB
border
#D3C8C6
text
#150807
muted
#837B7A