#A03237#A03237
#A03237 is a mid, vivid red. Relative luminance 0.100; OKLCH L 48.2% C 0.145 H 22.0°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).
Color values
| HEX | #A03237 |
|---|---|
| RGB | rgb(160, 50, 55) |
| HSL | hsl(357, 52%, 41%) |
| HSV | hsv(357, 69%, 63%) |
| CMYK | cmyk(0%, 68.8%, 65.6%, 37.3%) |
| CIE-LAB | lab(37.90, 45.62, 22.82) |
| CIE-LCH | lch(37.90, 51.01, 26.58°) |
| OKLab | oklab(48.23% 0.1346 0.0543) |
| OKLCH | oklch(48.23% 0.145 22) |
| XYZ | xyz(16.3291, 10.0329, 4.6904) |
| Luminance | 0.1003 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brown
#A52A2A
ΔE00 3.56
Rouge
#AB1239
ΔE00 5.19
Lipstick Red
#C0022F
ΔE00 6.16
Firebrick
#B22222
ΔE00 6.36
Cardinal
#C41E3A
ΔE00 6.60
Rose Red
#BE013C
ΔE00 6.61
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A03237 #32A09B
analogous
#A0326E #A03237 #A06432
triadic
#A03237 #37A032 #3237A0
tetradic
#A03237 #6EA032 #32A09B #6432A0
square
#A03237 #6EA032 #32A09B #6432A0
split-complementary
#A03237 #32A064 #326EA0
monochromatic
#431517 #712327 #A03237 #C6494F #D5787C
Accessibility & contrast
On white
6.99
#A03237 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.01
#A03237 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #A03237
6.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A03237 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##A03237 | 1.00 | 6.99 | 3.01 | 6.99 |
| #FFFFFF | 6.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.01 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#504A36
Deuteranopia (green-blind)
#6B6234
Tritanopia (blue-blind)
#B01635
Achromatopsia (no color)
#595959
Design tokens & code
CSS
--color: #a03237; /* rgb */ color: rgb(160, 50, 55); /* oklch */ color: oklch(48.2% 0.145 22.0);
Tailwind
colors: {
custom: {
50: '#c3716d',
500: '#a03237',
950: '#000000',
},
}SCSS
$custom: #a03237; $custom-light: #c3716d; $custom-dark: #000000;
JSON
{
"hex": "#a03237",
"rgb": {
"r": 160,
"g": 50,
"b": 55
},
"hsl": {
"h": 357.273,
"s": 52.381,
"l": 41.176
},
"oklch": {
"l": 0.4823,
"c": 0.1451,
"h": 22
},
"luminance": 0.10031
}Semantic roles & 50–950 ramp
primary
#A03237
secondary
#71BDBA
accent
#DCD54C
background
#FCF7F6
surface
#F9EDEB
border
#D2C8C6
text
#140807
muted
#827B7A