#B13F34#B13F34
#B13F34 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.6% C 0.151 H 28.7°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).
Color values
| HEX | #B13F34 |
|---|---|
| RGB | rgb(177, 63, 52) |
| HSL | hsl(5, 55%, 45%) |
| HSV | hsv(5, 71%, 69%) |
| CMYK | cmyk(0%, 64.4%, 70.6%, 30.6%) |
| CIE-LAB | lab(42.99, 45.72, 31.52) |
| CIE-LCH | lch(42.99, 55.54, 34.58°) |
| OKLab | oklab(52.61% 0.1322 0.0724) |
| OKLCH | oklch(52.61% 0.151 28.7) |
| XYZ | xyz(20.5309, 13.1529, 4.7058) |
| Luminance | 0.1315 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dull Red
#BB3F3F
ΔE00 3.69
Firebrick
#B22222
ΔE00 4.70
Reddish
#C44240
ΔE00 4.74
Brick
#A03623
ΔE00 5.07
Brown
#A52A2A
ΔE00 5.21
Brownish Red
#9E3623
ΔE00 5.35
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B13F34 #34A6B1
analogous
#B13468 #B13F34 #B17E34
triadic
#B13F34 #34B13F #3F34B1
tetradic
#B13F34 #68B134 #34A6B1 #7E34B1
square
#B13F34 #68B134 #34A6B1 #7E34B1
split-complementary
#B13F34 #34B17E #3468B1
monochromatic
#521D18 #822E26 #B13F34 #CD6055 #DB8C84
Accessibility & contrast
On white
5.79
#B13F34 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.63
#B13F34 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B13F34
5.79:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B13F34 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B13F34 | 1.00 | 5.79 | 3.63 | 5.79 |
| #FFFFFF | 5.79 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.63 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.79 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5E5632
Deuteranopia (green-blind)
#7B6F31
Tritanopia (blue-blind)
#C2233D
Achromatopsia (no color)
#666666
Design tokens & code
CSS
--color: #b13f34; /* rgb */ color: rgb(177, 63, 52); /* oklch */ color: oklch(52.6% 0.151 28.7);
Tailwind
colors: {
custom: {
50: '#d07a6c',
500: '#b13f34',
950: '#000000',
},
}SCSS
$custom: #b13f34; $custom-light: #d07a6c; $custom-dark: #000000;
JSON
{
"hex": "#b13f34",
"rgb": {
"r": 177,
"g": 63,
"b": 52
},
"hsl": {
"h": 5.28,
"s": 54.585,
"l": 44.902
},
"oklch": {
"l": 0.52605,
"c": 0.15073,
"h": 28.7
},
"luminance": 0.1315
}Semantic roles & 50–950 ramp
primary
#B13F34
secondary
#7CBEC5
accent
#D1DE4A
background
#FDF7F6
surface
#FBEEEB
border
#D4C9C6
text
#150907
muted
#837B7A