#C23337#C23337
#C23337 is a mid, vivid red. Relative luminance 0.141; OKLCH L 54.2% C 0.180 H 24.2°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).
Color values
| HEX | #C23337 |
|---|---|
| RGB | rgb(194, 51, 55) |
| HSL | hsl(358, 58%, 48%) |
| HSV | hsv(358, 74%, 76%) |
| CMYK | cmyk(0%, 73.7%, 71.6%, 23.9%) |
| CIE-LAB | lab(44.40, 56.23, 32.19) |
| CIE-LCH | lch(44.40, 64.79, 29.79°) |
| OKLab | oklab(54.24% 0.1639 0.0736) |
| OKLCH | oklch(54.24% 0.18 24.2) |
| XYZ | xyz(24.1243, 14.1165, 5.0682) |
| Luminance | 0.1411 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dull Red
#BB3F3F
ΔE00 2.18
Reddish
#C44240
ΔE00 2.82
Cardinal
#C41E3A
ΔE00 3.91
Cherry (survey)
#CF0234
ΔE00 3.91
Lipstick Red
#C0022F
ΔE00 4.78
Crimson
#DC143C
ΔE00 5.03
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#C23337 #33C2BE
analogous
#C2337E #C23337 #C27733
triadic
#C23337 #37C233 #3337C2
tetradic
#C23337 #7EC233 #33C2BE #7733C2
square
#C23337 #7EC233 #33C2BE #7733C2
split-complementary
#C23337 #33C277 #337EC2
monochromatic
#611A1C #922629 #C23337 #D55E61 #E18E90
Accessibility & contrast
On white
5.49
#C23337 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.82
#C23337 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #C23337
5.49:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##C23337 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##C23337 | 1.00 | 5.49 | 3.82 | 5.49 |
| #FFFFFF | 5.49 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.82 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.49 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5D5536
Deuteranopia (green-blind)
#817432
Tritanopia (blue-blind)
#D50036
Achromatopsia (no color)
#696969
Design tokens & code
CSS
--color: #c23337; /* rgb */ color: rgb(194, 51, 55); /* oklch */ color: oklch(54.2% 0.180 24.2);
Tailwind
colors: {
custom: {
50: '#dd766e',
500: '#c23337',
950: '#000000',
},
}SCSS
$custom: #c23337; $custom-light: #dd766e; $custom-dark: #000000;
JSON
{
"hex": "#c23337",
"rgb": {
"r": 194,
"g": 51,
"b": 55
},
"hsl": {
"h": 358.322,
"s": 58.367,
"l": 48.039
},
"oklch": {
"l": 0.54243,
"c": 0.17964,
"h": 24.2
},
"luminance": 0.14113
}Semantic roles & 50–950 ramp
primary
#C23337
secondary
#85CCCA
accent
#E2DD46
background
#FEF7F6
surface
#FDEEEB
border
#D5C9C6
text
#170907
muted
#857B7A