#B13A30#B13A30
#B13A30 is a mid, vivid red. Relative luminance 0.126; OKLCH L 51.9% C 0.156 H 28.5°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).
Color values
| HEX | #B13A30 |
|---|---|
| RGB | rgb(177, 58, 48) |
| HSL | hsl(5, 57%, 44%) |
| HSV | hsv(5, 73%, 69%) |
| CMYK | cmyk(0%, 67.2%, 72.9%, 30.6%) |
| CIE-LAB | lab(42.14, 47.69, 32.86) |
| CIE-LCH | lch(42.14, 57.91, 34.57°) |
| OKLab | oklab(51.95% 0.1375 0.0746) |
| OKLCH | oklch(51.95% 0.156 28.5) |
| XYZ | xyz(20.1802, 12.5896, 4.1631) |
| Luminance | 0.1259 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Firebrick
#B22222
ΔE00 3.68
Dull Red
#BB3F3F
ΔE00 4.14
Brown
#A52A2A
ΔE00 4.44
Brick
#A03623
ΔE00 4.53
Brownish Red
#9E3623
ΔE00 4.83
Reddish
#C44240
ΔE00 5.29
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B13A30 #30A7B1
analogous
#B13067 #B13A30 #B17B30
triadic
#B13A30 #30B13A #3A30B1
tetradic
#B13A30 #67B130 #30A7B1 #7B30B1
square
#B13A30 #67B130 #30A7B1 #7B30B1
split-complementary
#B13A30 #30B17B #3067B1
monochromatic
#511A16 #812A23 #B13A30 #CF594F #DC867F
Accessibility & contrast
On white
5.97
#B13A30 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.52
#B13A30 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B13A30
5.97:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B13A30 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B13A30 | 1.00 | 5.97 | 3.52 | 5.97 |
| #FFFFFF | 5.97 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.52 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.97 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5B532E
Deuteranopia (green-blind)
#796D2C
Tritanopia (blue-blind)
#C31839
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #b13a30; /* rgb */ color: rgb(177, 58, 48); /* oklch */ color: oklch(51.9% 0.156 28.5);
Tailwind
colors: {
custom: {
50: '#d07769',
500: '#b13a30',
950: '#000000',
},
}SCSS
$custom: #b13a30; $custom-light: #d07769; $custom-dark: #000000;
JSON
{
"hex": "#b13a30",
"rgb": {
"r": 177,
"g": 58,
"b": 48
},
"hsl": {
"h": 4.651,
"s": 57.333,
"l": 44.118
},
"oklch": {
"l": 0.51947,
"c": 0.15644,
"h": 28.5
},
"luminance": 0.12587
}Semantic roles & 50–950 ramp
primary
#B13A30
secondary
#78BFC5
accent
#D5E147
background
#FDF7F6
surface
#FBEDEB
border
#D4C8C6
text
#150906
muted
#837B7A