#C13730#C13730
#C13730 is a mid, vivid red. Relative luminance 0.143; OKLCH L 54.4% C 0.176 H 27.6°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).
Color values
| HEX | #C13730 |
|---|---|
| RGB | rgb(193, 55, 48) |
| HSL | hsl(3, 60%, 47%) |
| HSV | hsv(3, 75%, 76%) |
| CMYK | cmyk(0%, 71.5%, 75.1%, 24.3%) |
| CIE-LAB | lab(44.64, 54.18, 36.47) |
| CIE-LCH | lch(44.64, 65.31, 33.95°) |
| OKLab | oklab(54.36% 0.156 0.0815) |
| OKLCH | oklch(54.36% 0.176 27.6) |
| XYZ | xyz(23.8947, 14.2869, 4.2952) |
| Luminance | 0.1428 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Reddish
#C44240
ΔE00 3.55
Dull Red
#BB3F3F
ΔE00 3.71
Firebrick
#B22222
ΔE00 5.02
Scarlet
#BE0119
ΔE00 5.43
Cherry (survey)
#CF0234
ΔE00 6.07
Cardinal
#C41E3A
ΔE00 6.47
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#C13730 #30BAC1
analogous
#C13071 #C13730 #C18030
triadic
#C13730 #30C137 #3730C1
tetradic
#C13730 #71C130 #30BAC1 #8030C1
square
#C13730 #71C130 #30BAC1 #8030C1
split-complementary
#C13730 #30C180 #3071C1
monochromatic
#5F1B18 #902924 #C13730 #D65F59 #E28E8A
Accessibility & contrast
On white
5.45
#C13730 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.86
#C13730 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #C13730
5.45:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##C13730 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##C13730 | 1.00 | 5.45 | 3.86 | 5.45 |
| #FFFFFF | 5.45 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.86 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.45 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5F562E
Deuteranopia (green-blind)
#82752B
Tritanopia (blue-blind)
#D40037
Achromatopsia (no color)
#6A6A6A
Design tokens & code
CSS
--color: #c13730; /* rgb */ color: rgb(193, 55, 48); /* oklch */ color: oklch(54.4% 0.176 27.6);
Tailwind
colors: {
custom: {
50: '#dc7769',
500: '#c13730',
950: '#000000',
},
}SCSS
$custom: #c13730; $custom-light: #dc7769; $custom-dark: #000000;
JSON
{
"hex": "#c13730",
"rgb": {
"r": 193,
"g": 55,
"b": 48
},
"hsl": {
"h": 2.897,
"s": 60.166,
"l": 47.255
},
"oklch": {
"l": 0.54361,
"c": 0.17602,
"h": 27.6
},
"luminance": 0.14283
}Semantic roles & 50–950 ramp
primary
#C13730
secondary
#81C8CC
accent
#DCE344
background
#FEF7F6
surface
#FDEEEB
border
#D5C9C6
text
#170906
muted
#857B7A