#AF3437#AF3437
#AF3437 is a mid, vivid red. Relative luminance 0.118; OKLCH L 51.0% C 0.159 H 23.5°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).
Color values
| HEX | #AF3437 |
|---|---|
| RGB | rgb(175, 52, 55) |
| HSL | hsl(359, 54%, 45%) |
| HSV | hsv(359, 70%, 69%) |
| CMYK | cmyk(0%, 70.3%, 68.6%, 31.4%) |
| CIE-LAB | lab(40.97, 49.81, 27.24) |
| CIE-LCH | lch(40.97, 56.78, 28.68°) |
| OKLab | oklab(51.04% 0.146 0.0636) |
| OKLCH | oklch(51.04% 0.159 23.5) |
| XYZ | xyz(19.5989, 11.8486, 4.8687) |
| Luminance | 0.1185 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brown
#A52A2A
ΔE00 3.49
Dull Red
#BB3F3F
ΔE00 3.63
Cardinal
#C41E3A
ΔE00 4.42
Lipstick Red
#C0022F
ΔE00 4.43
Firebrick
#B22222
ΔE00 4.61
Reddish
#C44240
ΔE00 5.74
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#AF3437 #34AFAC
analogous
#AF3474 #AF3437 #AF6F34
triadic
#AF3437 #37AF34 #3437AF
tetradic
#AF3437 #74AF34 #34AFAC #6F34AF
square
#AF3437 #74AF34 #34AFAC #6F34AF
split-complementary
#AF3437 #34AF6F #3474AF
monochromatic
#511819 #802628 #AF3437 #CC5457 #DA8385
Accessibility & contrast
On white
6.23
#AF3437 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.37
#AF3437 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #AF3437
6.23:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##AF3437 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##AF3437 | 1.00 | 6.23 | 3.37 | 6.23 |
| #FFFFFF | 6.23 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.37 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.23 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#565036
Deuteranopia (green-blind)
#756A33
Tritanopia (blue-blind)
#C00D36
Achromatopsia (no color)
#616161
Design tokens & code
CSS
--color: #af3437; /* rgb */ color: rgb(175, 52, 55); /* oklch */ color: oklch(51.0% 0.159 23.5);
Tailwind
colors: {
custom: {
50: '#ce746e',
500: '#af3437',
950: '#000000',
},
}SCSS
$custom: #af3437; $custom-light: #ce746e; $custom-dark: #000000;
JSON
{
"hex": "#af3437",
"rgb": {
"r": 175,
"g": 52,
"b": 55
},
"hsl": {
"h": 358.537,
"s": 54.185,
"l": 44.51
},
"oklch": {
"l": 0.5104,
"c": 0.1592,
"h": 23.5
},
"luminance": 0.11846
}Semantic roles & 50–950 ramp
primary
#AF3437
secondary
#7BC4C2
accent
#DEDA4A
background
#FDF7F6
surface
#FBEDEB
border
#D4C8C6
text
#150907
muted
#837B7A