#B13A27#B13A27
#B13A27 is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.8% C 0.158 H 31.7°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).
Color values
| HEX | #B13A27 |
|---|---|
| RGB | rgb(177, 58, 39) |
| HSL | hsl(8, 64%, 42%) |
| HSV | hsv(8, 78%, 69%) |
| CMYK | cmyk(0%, 67.2%, 78%, 30.6%) |
| CIE-LAB | lab(42.04, 47.31, 37.82) |
| CIE-LCH | lch(42.04, 60.56, 38.64°) |
| OKLab | oklab(51.84% 0.1345 0.0831) |
| OKLCH | oklch(51.84% 0.158 31.7) |
| XYZ | xyz(20.0130, 12.5227, 3.2824) |
| Luminance | 0.1252 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brick
#A03623
ΔE00 3.64
Brownish Red
#9E3623
ΔE00 4.03
Firebrick
#B22222
ΔE00 4.37
Rusty Red
#AF2F0D
ΔE00 4.45
Scarlet
#BE0119
ΔE00 5.58
Rust Red
#AA2704
ΔE00 5.70
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B13A27 #279EB1
analogous
#B12759 #B13A27 #B17F27
triadic
#B13A27 #27B13A #3A27B1
tetradic
#B13A27 #59B127 #279EB1 #7F27B1
square
#B13A27 #59B127 #279EB1 #7F27B1
split-complementary
#B13A27 #27B17F #2759B1
monochromatic
#4D1911 #7F2A1C #B13A27 #D55540 #E08172
Accessibility & contrast
On white
5.99
#B13A27 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.50
#B13A27 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B13A27
5.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B13A27 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B13A27 | 1.00 | 5.99 | 3.50 | 5.99 |
| #FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.50 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5C5324
Deuteranopia (green-blind)
#7A6D22
Tritanopia (blue-blind)
#C31636
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #b13a27; /* rgb */ color: rgb(177, 58, 39); /* oklch */ color: oklch(51.8% 0.158 31.7);
Tailwind
colors: {
custom: {
50: '#d17762',
500: '#b13a27',
950: '#000000',
},
}SCSS
$custom: #b13a27; $custom-light: #d17762; $custom-dark: #000000;
JSON
{
"hex": "#b13a27",
"rgb": {
"r": 177,
"g": 58,
"b": 39
},
"hsl": {
"h": 8.261,
"s": 63.889,
"l": 42.353
},
"oklch": {
"l": 0.51836,
"c": 0.15812,
"h": 31.7
},
"luminance": 0.1252
}Semantic roles & 50–950 ramp
primary
#B13A27
secondary
#6DBBC7
accent
#D0E741
background
#FEF7F5
surface
#FCEDEA
border
#D5C8C6
text
#160905
muted
#847B79