#C03237#C03237
#C03237 is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.8% C 0.179 H 23.8°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).
Color values
| HEX | #C03237 |
|---|---|
| RGB | rgb(192, 50, 55) |
| HSL | hsl(358, 59%, 47%) |
| HSV | hsv(358, 74%, 75%) |
| CMYK | cmyk(0%, 74%, 71.4%, 24.7%) |
| CIE-LAB | lab(43.90, 55.96, 31.51) |
| CIE-LCH | lch(43.90, 64.22, 29.38°) |
| OKLab | oklab(53.8% 0.1633 0.0722) |
| OKLCH | oklch(53.8% 0.179 23.8) |
| XYZ | xyz(23.5711, 13.7671, 5.0299) |
| Luminance | 0.1376 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dull Red
#BB3F3F
ΔE00 2.17
Reddish
#C44240
ΔE00 3.22
Cardinal
#C41E3A
ΔE00 3.55
Cherry (survey)
#CF0234
ΔE00 3.80
Lipstick Red
#C0022F
ΔE00 4.37
Crimson
#DC143C
ΔE00 5.23
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#C03237 #32C0BB
analogous
#C0327E #C03237 #C07432
triadic
#C03237 #37C032 #3237C0
tetradic
#C03237 #7EC032 #32C0BB #7432C0
square
#C03237 #7EC032 #32C0BB #7432C0
split-complementary
#C03237 #32C074 #327EC0
monochromatic
#5F191B #8F2529 #C03237 #D45B5F #E18B8E
Accessibility & contrast
On white
5.60
#C03237 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.75
#C03237 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #C03237
5.60:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##C03237 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##C03237 | 1.00 | 5.60 | 3.75 | 5.60 |
| #FFFFFF | 5.60 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.75 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.60 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5C5436
Deuteranopia (green-blind)
#7F7332
Tritanopia (blue-blind)
#D30035
Achromatopsia (no color)
#686868
Design tokens & code
CSS
--color: #c03237; /* rgb */ color: rgb(192, 50, 55); /* oklch */ color: oklch(53.8% 0.179 23.8);
Tailwind
colors: {
custom: {
50: '#db756e',
500: '#c03237',
950: '#000000',
},
}SCSS
$custom: #c03237; $custom-light: #db756e; $custom-dark: #000000;
JSON
{
"hex": "#c03237",
"rgb": {
"r": 192,
"g": 50,
"b": 55
},
"hsl": {
"h": 357.887,
"s": 58.678,
"l": 47.451
},
"oklch": {
"l": 0.538,
"c": 0.17851,
"h": 23.8
},
"luminance": 0.13764
}Semantic roles & 50–950 ramp
primary
#C03237
secondary
#83CBC9
accent
#E2DC46
background
#FEF7F6
surface
#FDEDEB
border
#D5C8C6
text
#170907
muted
#857B7A