#C03630#C03630
#C03630 is a mid, vivid red. Relative luminance 0.141; OKLCH L 54.1% C 0.176 H 27.3°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).
Color values
| HEX | #C03630 |
|---|---|
| RGB | rgb(192, 54, 48) |
| HSL | hsl(3, 60%, 47%) |
| HSV | hsv(3, 75%, 75%) |
| CMYK | cmyk(0%, 71.9%, 75%, 24.7%) |
| CIE-LAB | lab(44.32, 54.23, 36.07) |
| CIE-LCH | lch(44.32, 65.13, 33.63°) |
| OKLab | oklab(54.09% 0.1563 0.0806) |
| OKLCH | oklch(54.09% 0.176 27.3) |
| XYZ | xyz(23.5936, 14.0618, 4.2676) |
| Luminance | 0.1406 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dull Red
#BB3F3F
ΔE00 3.55
Reddish
#C44240
ΔE00 3.61
Firebrick
#B22222
ΔE00 4.73
Scarlet
#BE0119
ΔE00 5.22
Cherry (survey)
#CF0234
ΔE00 5.85
Cardinal
#C41E3A
ΔE00 6.19
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#C03630 #30BAC0
analogous
#C03072 #C03630 #C07E30
triadic
#C03630 #30C036 #3630C0
tetradic
#C03630 #72C030 #30BAC0 #7E30C0
square
#C03630 #72C030 #30BAC0 #7E30C0
split-complementary
#C03630 #30C07E #3072C0
monochromatic
#5E1A18 #8F2824 #C03630 #D55D58 #E18D89
Accessibility & contrast
On white
5.51
#C03630 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.81
#C03630 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #C03630
5.51:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##C03630 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##C03630 | 1.00 | 5.51 | 3.81 | 5.51 |
| #FFFFFF | 5.51 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.81 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.51 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5E562E
Deuteranopia (green-blind)
#81742B
Tritanopia (blue-blind)
#D30036
Achromatopsia (no color)
#696969
Design tokens & code
CSS
--color: #c03630; /* rgb */ color: rgb(192, 54, 48); /* oklch */ color: oklch(54.1% 0.176 27.3);
Tailwind
colors: {
custom: {
50: '#dc7769',
500: '#c03630',
950: '#000000',
},
}SCSS
$custom: #c03630; $custom-light: #dc7769; $custom-dark: #000000;
JSON
{
"hex": "#c03630",
"rgb": {
"r": 192,
"g": 54,
"b": 48
},
"hsl": {
"h": 2.5,
"s": 60,
"l": 47.059
},
"oklch": {
"l": 0.54088,
"c": 0.17589,
"h": 27.3
},
"luminance": 0.14058
}Semantic roles & 50–950 ramp
primary
#C03630
secondary
#80C8CB
accent
#DDE345
background
#FEF7F6
surface
#FDEEEB
border
#D5C9C6
text
#170906
muted
#857B7A