#AD3741#AD3741
#AD3741 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.2% C 0.153 H 19.7°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).
Color values
| HEX | #AD3741 |
|---|---|
| RGB | rgb(173, 55, 65) |
| HSL | hsl(355, 52%, 45%) |
| HSV | hsv(355, 68%, 68%) |
| CMYK | cmyk(0%, 68.2%, 62.4%, 32.2%) |
| CIE-LAB | lab(41.22, 48.55, 21.35) |
| CIE-LCH | lch(41.22, 53.04, 23.74°) |
| OKLab | oklab(51.21% 0.1442 0.0515) |
| OKLCH | oklch(51.21% 0.153 19.7) |
| XYZ | xyz(19.5558, 12.0010, 6.2867) |
| Luminance | 0.1200 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Cardinal
#C41E3A
ΔE00 4.50
Dull Red
#BB3F3F
ΔE00 4.71
Dusty Red
#B9484E
ΔE00 4.80
Rose Red
#BE013C
ΔE00 5.06
Rouge
#AB1239
ΔE00 5.25
Lipstick Red
#C0022F
ΔE00 5.44
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#AD3741 #37ADA3
analogous
#AD377C #AD3741 #AD6837
triadic
#AD3741 #41AD37 #3741AD
tetradic
#AD3741 #7CAD37 #37ADA3 #6837AD
square
#AD3741 #7CAD37 #37ADA3 #6837AD
split-complementary
#AD3741 #37AD68 #377CAD
monochromatic
#50191E #7F2830 #AD3741 #CA5761 #D8868D
Accessibility & contrast
On white
6.18
#AD3741 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.40
#AD3741 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #AD3741
6.18:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##AD3741 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##AD3741 | 1.00 | 6.18 | 3.40 | 6.18 |
| #FFFFFF | 6.18 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.40 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.18 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#565141
Deuteranopia (green-blind)
#746A3E
Tritanopia (blue-blind)
#BE1A3B
Achromatopsia (no color)
#616161
Design tokens & code
CSS
--color: #ad3741; /* rgb */ color: rgb(173, 55, 65); /* oklch */ color: oklch(51.2% 0.153 19.7);
Tailwind
colors: {
custom: {
50: '#cc7575',
500: '#ad3741',
950: '#000000',
},
}SCSS
$custom: #ad3741; $custom-light: #cc7575; $custom-dark: #000000;
JSON
{
"hex": "#ad3741",
"rgb": {
"r": 173,
"g": 55,
"b": 65
},
"hsl": {
"h": 354.915,
"s": 51.754,
"l": 44.706
},
"oklch": {
"l": 0.51208,
"c": 0.15314,
"h": 19.7
},
"luminance": 0.11998
}Semantic roles & 50–950 ramp
primary
#AD3741
secondary
#7DC2BD
accent
#DBCF4D
background
#FDF7F7
surface
#FAEDED
border
#D3C8C8
text
#150908
muted
#837B7B