#B34B33#B34B33
#B34B33 is a mid, vivid red. Relative luminance 0.149; OKLCH L 54.5% C 0.141 H 34.4°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).
Color values
| HEX | #B34B33 |
|---|---|
| RGB | rgb(179, 75, 51) |
| HSL | hsl(11, 56%, 45%) |
| HSV | hsv(11, 72%, 70%) |
| CMYK | cmyk(0%, 58.1%, 71.5%, 29.8%) |
| CIE-LAB | lab(45.44, 40.80, 35.00) |
| CIE-LCH | lch(45.44, 53.76, 40.63°) |
| OKLab | oklab(54.51% 0.1164 0.0797) |
| OKLCH | oklch(54.51% 0.141 34.4) |
| XYZ | xyz(21.7062, 14.8577, 4.8561) |
| Luminance | 0.1485 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Sienna
#A0522D
ΔE00 6.38
Rust
#B7410E
ΔE00 6.44
Brick
#A03623
ΔE00 6.55
Reddish
#C44240
ΔE00 6.66
Brownish Red
#9E3623
ΔE00 6.84
Rusty Red
#AF2F0D
ΔE00 6.84
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B34B33 #339BB3
analogous
#B3335B #B34B33 #B38B33
triadic
#B34B33 #33B34B #4B33B3
tetradic
#B34B33 #5BB333 #339BB3 #8B33B3
square
#B34B33 #5BB333 #339BB3 #8B33B3
split-complementary
#B34B33 #33B38B #335BB3
monochromatic
#542318 #833725 #B34B33 #CE6C55 #DC9584
Accessibility & contrast
On white
5.29
#B34B33 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.97
#B34B33 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B34B33
5.29:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B34B33 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B34B33 | 1.00 | 5.29 | 3.97 | 5.29 |
| #FFFFFF | 5.29 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.97 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.29 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#675D30
Deuteranopia (green-blind)
#817430
Tritanopia (blue-blind)
#C43546
Achromatopsia (no color)
#6C6C6C
Design tokens & code
CSS
--color: #b34b33; /* rgb */ color: rgb(179, 75, 51); /* oklch */ color: oklch(54.5% 0.141 34.4);
Tailwind
colors: {
custom: {
50: '#d1816c',
500: '#b34b33',
950: '#000000',
},
}SCSS
$custom: #b34b33; $custom-light: #d1816c; $custom-dark: #000000;
JSON
{
"hex": "#b34b33",
"rgb": {
"r": 179,
"g": 75,
"b": 51
},
"hsl": {
"h": 11.25,
"s": 55.652,
"l": 45.098
},
"oklch": {
"l": 0.54511,
"c": 0.1411,
"h": 34.4
},
"luminance": 0.14855
}Semantic roles & 50–950 ramp
primary
#B34B33
secondary
#7CB8C6
accent
#C3DF49
background
#FDF8F6
surface
#FBEFEB
border
#D4CAC6
text
#150A07
muted
#837C7A