#C23638#C23638
#C23638 is a mid, vivid red. Relative luminance 0.144; OKLCH L 54.5% C 0.177 H 24.6°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).
Color values
| HEX | #C23638 |
|---|---|
| RGB | rgb(194, 54, 56) |
| HSL | hsl(359, 56%, 49%) |
| HSV | hsv(359, 72%, 76%) |
| CMYK | cmyk(0%, 72.2%, 71.1%, 23.9%) |
| CIE-LAB | lab(44.80, 55.22, 32.07) |
| CIE-LCH | lch(44.80, 63.85, 30.15°) |
| OKLab | oklab(54.54% 0.1609 0.0735) |
| OKLCH | oklch(54.54% 0.177 24.6) |
| XYZ | xyz(24.2838, 14.3968, 5.2408) |
| Luminance | 0.1439 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dull Red
#BB3F3F
ΔE00 1.94
Reddish
#C44240
ΔE00 2.37
Cardinal
#C41E3A
ΔE00 4.32
Cherry (survey)
#CF0234
ΔE00 4.32
Crimson
#DC143C
ΔE00 5.15
Lipstick Red
#C0022F
ΔE00 5.28
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#C23638 #36C2C0
analogous
#C2367E #C23638 #C27A36
triadic
#C23638 #38C236 #3638C2
tetradic
#C23638 #7EC236 #36C2C0 #7A36C2
square
#C23638 #7EC236 #36C2C0 #7A36C2
split-complementary
#C23638 #36C27A #367EC2
monochromatic
#621B1C #92292A #C23638 #D36264 #E19293
Accessibility & contrast
On white
5.41
#C23638 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.88
#C23638 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #C23638
5.41:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##C23638 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##C23638 | 1.00 | 5.41 | 3.88 | 5.41 |
| #FFFFFF | 5.41 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.88 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.41 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5E5737
Deuteranopia (green-blind)
#817533
Tritanopia (blue-blind)
#D50038
Achromatopsia (no color)
#6A6A6A
Design tokens & code
CSS
--color: #c23638; /* rgb */ color: rgb(194, 54, 56); /* oklch */ color: oklch(54.5% 0.177 24.6);
Tailwind
colors: {
custom: {
50: '#dd776f',
500: '#c23638',
950: '#000000',
},
}SCSS
$custom: #c23638; $custom-light: #dd776f; $custom-dark: #000000;
JSON
{
"hex": "#c23638",
"rgb": {
"r": 194,
"g": 54,
"b": 56
},
"hsl": {
"h": 359.143,
"s": 56.452,
"l": 48.627
},
"oklch": {
"l": 0.54543,
"c": 0.17687,
"h": 24.6
},
"luminance": 0.14393
}Semantic roles & 50–950 ramp
primary
#C23638
secondary
#88CCCB
accent
#E0DE48
background
#FEF7F6
surface
#FDEEEC
border
#D5C9C7
text
#170907
muted
#857B7A