#C73A40#C73A40
#C73A40 is a mid, vivid red. Relative luminance 0.155; OKLCH L 55.9% C 0.177 H 22.8°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).
Color values
| HEX | #C73A40 |
|---|---|
| RGB | rgb(199, 58, 64) |
| HSL | hsl(357, 56%, 50%) |
| HSV | hsv(357, 71%, 78%) |
| CMYK | cmyk(0%, 70.9%, 67.8%, 22%) |
| CIE-LAB | lab(46.37, 55.72, 29.44) |
| CIE-LCH | lch(46.37, 63.02, 27.85°) |
| OKLab | oklab(55.92% 0.1636 0.0688) |
| OKLCH | oklch(55.92% 0.177 22.8) |
| XYZ | xyz(25.9945, 15.5422, 6.4807) |
| Luminance | 0.1554 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Reddish
#C44240
ΔE00 1.80
Dull Red
#BB3F3F
ΔE00 2.28
Crimson
#DC143C
ΔE00 4.08
Dusty Red
#B9484E
ΔE00 4.17
Cardinal
#C41E3A
ΔE00 4.33
Cherry (survey)
#CF0234
ΔE00 4.44
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#C73A40 #3AC7C1
analogous
#C73A86 #C73A40 #C77B3A
triadic
#C73A40 #40C73A #3A40C7
tetradic
#C73A40 #86C73A #3AC7C1 #7B3AC7
square
#C73A40 #86C73A #3AC7C1 #7B3AC7
split-complementary
#C73A40 #3AC77B #3A86C7
monochromatic
#691E21 #982B30 #C73A40 #D56A6E #E2999C
Accessibility & contrast
On white
5.11
#C73A40 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.11
#C73A40 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #C73A40
5.11:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##C73A40 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##C73A40 | 1.00 | 5.11 | 4.11 | 5.11 |
| #FFFFFF | 5.11 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.11 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.11 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#625B3F
Deuteranopia (green-blind)
#85793C
Tritanopia (blue-blind)
#DA073E
Achromatopsia (no color)
#6E6E6E
Design tokens & code
CSS
--color: #c73a40; /* rgb */ color: rgb(199, 58, 64); /* oklch */ color: oklch(55.9% 0.177 22.8);
Tailwind
colors: {
custom: {
50: '#e07a75',
500: '#c73a40',
950: '#000000',
},
}SCSS
$custom: #c73a40; $custom-light: #e07a75; $custom-dark: #000000;
JSON
{
"hex": "#c73a40",
"rgb": {
"r": 199,
"g": 58,
"b": 64
},
"hsl": {
"h": 357.447,
"s": 55.731,
"l": 50.392
},
"oklch": {
"l": 0.55921,
"c": 0.17743,
"h": 22.8
},
"luminance": 0.15538
}Semantic roles & 50–950 ramp
primary
#C73A40
secondary
#8FCECB
accent
#DFD949
background
#FEF7F7
surface
#FDEEED
border
#D5C9C8
text
#170A08
muted
#857C7B