#C23733#C23733
#C23733 is a mid, vivid red. Relative luminance 0.144; OKLCH L 54.6% C 0.177 H 26.6°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).
Color values
| HEX | #C23733 |
|---|---|
| RGB | rgb(194, 55, 51) |
| HSL | hsl(2, 58%, 48%) |
| HSV | hsv(2, 74%, 76%) |
| CMYK | cmyk(0%, 71.6%, 73.7%, 23.9%) |
| CIE-LAB | lab(44.86, 54.63, 35.06) |
| CIE-LCH | lch(44.86, 64.91, 32.69°) |
| OKLab | oklab(54.57% 0.158 0.079) |
| OKLCH | oklch(54.57% 0.177 26.6) |
| XYZ | xyz(24.2146, 14.4444, 4.6443) |
| Luminance | 0.1444 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Reddish
#C44240
ΔE00 2.89
Dull Red
#BB3F3F
ΔE00 3.03
Firebrick
#B22222
ΔE00 5.30
Cherry (survey)
#CF0234
ΔE00 5.43
Scarlet
#BE0119
ΔE00 5.75
Cardinal
#C41E3A
ΔE00 5.76
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#C23733 #33BEC2
analogous
#C23377 #C23733 #C27E33
triadic
#C23733 #33C237 #3733C2
tetradic
#C23733 #77C233 #33BEC2 #7E33C2
square
#C23733 #77C233 #33BEC2 #7E33C2
split-complementary
#C23733 #33C27E #3377C2
monochromatic
#611C1A #922926 #C23733 #D5615E #E1908E
Accessibility & contrast
On white
5.40
#C23733 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.89
#C23733 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #C23733
5.40:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##C23733 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##C23733 | 1.00 | 5.40 | 3.89 | 5.40 |
| #FFFFFF | 5.40 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.89 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.40 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5F5731
Deuteranopia (green-blind)
#82752E
Tritanopia (blue-blind)
#D50038
Achromatopsia (no color)
#6A6A6A
Design tokens & code
CSS
--color: #c23733; /* rgb */ color: rgb(194, 55, 51); /* oklch */ color: oklch(54.6% 0.177 26.6);
Tailwind
colors: {
custom: {
50: '#dd776b',
500: '#c23733',
950: '#000000',
},
}SCSS
$custom: #c23733; $custom-light: #dd776b; $custom-dark: #000000;
JSON
{
"hex": "#c23733",
"rgb": {
"r": 194,
"g": 55,
"b": 51
},
"hsl": {
"h": 1.678,
"s": 58.367,
"l": 48.039
},
"oklch": {
"l": 0.54572,
"c": 0.17661,
"h": 26.6
},
"luminance": 0.14441
}Semantic roles & 50–950 ramp
primary
#C23733
secondary
#85CACC
accent
#DDE246
background
#FEF7F6
surface
#FDEEEB
border
#D5C9C6
text
#170906
muted
#857B7A