#B7452B#B7452B
#B7452B is a mid, vivid red. Relative luminance 0.145; OKLCH L 54.2% C 0.153 H 34.3°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).
Color values
| HEX | #B7452B |
|---|---|
| RGB | rgb(183, 69, 43) |
| HSL | hsl(11, 62%, 44%) |
| HSV | hsv(11, 77%, 72%) |
| CMYK | cmyk(0%, 62.3%, 76.5%, 28.2%) |
| CIE-LAB | lab(44.94, 44.75, 39.03) |
| CIE-LCH | lch(44.94, 59.38, 41.09°) |
| OKLab | oklab(54.24% 0.1267 0.0864) |
| OKLCH | oklch(54.24% 0.153 34.3) |
| XYZ | xyz(22.0950, 14.5010, 3.9206) |
| Luminance | 0.1450 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Rust
#B7410E
ΔE00 5.39
Rusty Red
#AF2F0D
ΔE00 5.54
Brick
#A03623
ΔE00 6.21
Brownish Red
#9E3623
ΔE00 6.55
Rust (survey)
#A83C09
ΔE00 6.80
Sienna
#A0522D
ΔE00 6.95
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B7452B #2B9DB7
analogous
#B72B57 #B7452B #B78B2B
triadic
#B7452B #2BB745 #452BB7
tetradic
#B7452B #57B72B #2B9DB7 #8B2BB7
square
#B7452B #57B72B #2B9DB7 #8B2BB7
split-complementary
#B7452B #2BB78B #2B57B7
monochromatic
#542014 #85321F #B7452B #D5644B #E08F7C
Accessibility & contrast
On white
5.39
#B7452B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.90
#B7452B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B7452B
5.39:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B7452B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B7452B | 1.00 | 5.39 | 3.90 | 5.39 |
| #FFFFFF | 5.39 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.90 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.39 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#655A27
Deuteranopia (green-blind)
#817427
Tritanopia (blue-blind)
#C92940
Achromatopsia (no color)
#6A6A6A
Design tokens & code
CSS
--color: #b7452b; /* rgb */ color: rgb(183, 69, 43); /* oklch */ color: oklch(54.2% 0.153 34.3);
Tailwind
colors: {
custom: {
50: '#d47d66',
500: '#b7452b',
950: '#000000',
},
}SCSS
$custom: #b7452b; $custom-light: #d47d66; $custom-dark: #000000;
JSON
{
"hex": "#b7452b",
"rgb": {
"r": 183,
"g": 69,
"b": 43
},
"hsl": {
"h": 11.143,
"s": 61.947,
"l": 44.314
},
"oklch": {
"l": 0.54237,
"c": 0.15336,
"h": 34.3
},
"luminance": 0.14498
}Semantic roles & 50–950 ramp
primary
#B7452B
secondary
#75B9C9
accent
#C7E543
background
#FEF7F6
surface
#FCEEEB
border
#D5C9C6
text
#160A06
muted
#847C7A