#B74D33#B74D33
#B74D33 is a mid, vivid red. Relative luminance 0.156; OKLCH L 55.4% C 0.144 H 35.0°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).
Color values
| HEX | #B74D33 |
|---|---|
| RGB | rgb(183, 77, 51) |
| HSL | hsl(12, 56%, 46%) |
| HSV | hsv(12, 72%, 72%) |
| CMYK | cmyk(0%, 57.9%, 72.1%, 28.2%) |
| CIE-LAB | lab(46.47, 41.33, 36.34) |
| CIE-LCH | lch(46.47, 55.04, 41.32°) |
| OKLab | oklab(55.42% 0.1177 0.0824) |
| OKLCH | oklch(55.42% 0.144 35) |
| XYZ | xyz(22.7821, 15.6171, 4.9460) |
| Luminance | 0.1561 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Rust
#B7410E
ΔE00 6.19
Sienna
#A0522D
ΔE00 6.53
Reddish
#C44240
ΔE00 6.89
Rusty Red
#AF2F0D
ΔE00 7.31
Dull Red
#BB3F3F
ΔE00 7.45
Brick
#A03623
ΔE00 7.57
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B74D33 #339DB7
analogous
#B7335B #B74D33 #B78F33
triadic
#B74D33 #33B74D #4D33B7
tetradic
#B74D33 #5BB733 #339DB7 #8F33B7
square
#B74D33 #5BB733 #339DB7 #8F33B7
split-complementary
#B74D33 #33B78F #335BB7
monochromatic
#572518 #873926 #B74D33 #D06F57 #DE9887
Accessibility & contrast
On white
5.09
#B74D33 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.12
#B74D33 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B74D33
5.09:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B74D33 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B74D33 | 1.00 | 5.09 | 4.12 | 5.09 |
| #FFFFFF | 5.09 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.12 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.09 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6A6030
Deuteranopia (green-blind)
#847730
Tritanopia (blue-blind)
#C93647
Achromatopsia (no color)
#6E6E6E
Design tokens & code
CSS
--color: #b74d33; /* rgb */ color: rgb(183, 77, 51); /* oklch */ color: oklch(55.4% 0.144 35.0);
Tailwind
colors: {
custom: {
50: '#d4826c',
500: '#b74d33',
950: '#000000',
},
}SCSS
$custom: #b74d33; $custom-light: #d4826c; $custom-dark: #000000;
JSON
{
"hex": "#b74d33",
"rgb": {
"r": 183,
"g": 77,
"b": 51
},
"hsl": {
"h": 11.818,
"s": 56.41,
"l": 45.882
},
"oklch": {
"l": 0.55417,
"c": 0.14365,
"h": 35
},
"luminance": 0.15614
}Semantic roles & 50–950 ramp
primary
#B74D33
secondary
#7FB9C7
accent
#C2E048
background
#FDF8F6
surface
#FBEFEB
border
#D4CAC6
text
#150B07
muted
#837C7A