#B13533#B13533
#B13533 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.4% C 0.161 H 25.6°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).
Color values
| HEX | #B13533 |
|---|---|
| RGB | rgb(177, 53, 51) |
| HSL | hsl(1, 55%, 45%) |
| HSV | hsv(1, 71%, 69%) |
| CMYK | cmyk(0%, 70.1%, 71.2%, 30.6%) |
| CIE-LAB | lab(41.43, 49.87, 30.28) |
| CIE-LCH | lch(41.43, 58.34, 31.26°) |
| OKLab | oklab(51.43% 0.145 0.0695) |
| OKLCH | oklch(51.43% 0.161 25.6) |
| XYZ | xyz(20.0043, 12.1353, 4.4203) |
| Luminance | 0.1213 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brown
#A52A2A
ΔE00 3.41
Dull Red
#BB3F3F
ΔE00 3.47
Firebrick
#B22222
ΔE00 3.56
Lipstick Red
#C0022F
ΔE00 4.96
Cardinal
#C41E3A
ΔE00 5.20
Reddish
#C44240
ΔE00 5.25
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B13533 #33AFB1
analogous
#B13370 #B13533 #B17433
triadic
#B13533 #33B135 #3533B1
tetradic
#B13533 #70B133 #33AFB1 #7433B1
square
#B13533 #70B133 #33AFB1 #7433B1
split-complementary
#B13533 #33B174 #3370B1
monochromatic
#521918 #812725 #B13533 #CE5654 #DB8583
Accessibility & contrast
On white
6.13
#B13533 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.43
#B13533 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B13533
6.13:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B13533 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B13533 | 1.00 | 6.13 | 3.43 | 6.13 |
| #FFFFFF | 6.13 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.43 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.13 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#585132
Deuteranopia (green-blind)
#776C2F
Tritanopia (blue-blind)
#C30C36
Achromatopsia (no color)
#626262
Design tokens & code
CSS
--color: #b13533; /* rgb */ color: rgb(177, 53, 51); /* oklch */ color: oklch(51.4% 0.161 25.6);
Tailwind
colors: {
custom: {
50: '#d0746b',
500: '#b13533',
950: '#000000',
},
}SCSS
$custom: #b13533; $custom-light: #d0746b; $custom-dark: #000000;
JSON
{
"hex": "#b13533",
"rgb": {
"r": 177,
"g": 53,
"b": 51
},
"hsl": {
"h": 0.952,
"s": 55.263,
"l": 44.706
},
"oklch": {
"l": 0.51429,
"c": 0.16083,
"h": 25.6
},
"luminance": 0.12132
}Semantic roles & 50–950 ramp
primary
#B13533
secondary
#7BC4C5
accent
#DCDF49
background
#FDF7F6
surface
#FBEDEB
border
#D4C8C6
text
#150906
muted
#837B7A