#C43B38#C43B38
#C43B38 is a mid, vivid red. Relative luminance 0.151; OKLCH L 55.4% C 0.174 H 26.0°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).
Color values
| HEX | #C43B38 |
|---|---|
| RGB | rgb(196, 59, 56) |
| HSL | hsl(1, 56%, 49%) |
| HSV | hsv(1, 71%, 77%) |
| CMYK | cmyk(0%, 69.9%, 71.4%, 23.1%) |
| CIE-LAB | lab(45.84, 53.99, 33.39) |
| CIE-LCH | lch(45.84, 63.48, 31.73°) |
| OKLab | oklab(55.39% 0.1568 0.0763) |
| OKLCH | oklch(55.39% 0.174 26) |
| XYZ | xyz(25.0455, 15.1529, 5.3466) |
| Luminance | 0.1515 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Reddish
#C44240
ΔE00 1.75
Dull Red
#BB3F3F
ΔE00 2.51
Cherry (survey)
#CF0234
ΔE00 5.41
Crimson
#DC143C
ΔE00 5.62
Cardinal
#C41E3A
ΔE00 5.67
Dusty Red
#B9484E
ΔE00 5.80
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#C43B38 #38C1C4
analogous
#C4387B #C43B38 #C48138
triadic
#C43B38 #38C43B #3B38C4
tetradic
#C43B38 #7BC438 #38C1C4 #8138C4
square
#C43B38 #7BC438 #38C1C4 #8138C4
split-complementary
#C43B38 #38C481 #387BC4
monochromatic
#651E1D #942D2A #C43B38 #D36866 #E19796
Accessibility & contrast
On white
5.21
#C43B38 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.03
#C43B38 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #C43B38
5.21:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##C43B38 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##C43B38 | 1.00 | 5.21 | 4.03 | 5.21 |
| #FFFFFF | 5.21 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.03 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.21 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#625A36
Deuteranopia (green-blind)
#847733
Tritanopia (blue-blind)
#D70B3C
Achromatopsia (no color)
#6D6D6D
Design tokens & code
CSS
--color: #c43b38; /* rgb */ color: rgb(196, 59, 56); /* oklch */ color: oklch(55.4% 0.174 26.0);
Tailwind
colors: {
custom: {
50: '#de7a6f',
500: '#c43b38',
950: '#000000',
},
}SCSS
$custom: #c43b38; $custom-light: #de7a6f; $custom-dark: #000000;
JSON
{
"hex": "#c43b38",
"rgb": {
"r": 196,
"g": 59,
"b": 56
},
"hsl": {
"h": 1.286,
"s": 55.556,
"l": 49.412
},
"oklch": {
"l": 0.55391,
"c": 0.17433,
"h": 26
},
"luminance": 0.15149
}Semantic roles & 50–950 ramp
primary
#C43B38
secondary
#8CCBCC
accent
#DCDF49
background
#FEF7F6
surface
#FDEEEC
border
#D5C9C7
text
#170A07
muted
#857C7A