#B4553A#B4553A
#B4553A is a mid, vivid red. Relative luminance 0.165; OKLCH L 56.2% C 0.130 H 36.7°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).
Color values
| HEX | #B4553A |
|---|---|
| RGB | rgb(180, 85, 58) |
| HSL | hsl(13, 51%, 47%) |
| HSV | hsv(13, 68%, 71%) |
| CMYK | cmyk(0%, 52.8%, 67.8%, 29.4%) |
| CIE-LAB | lab(47.63, 36.55, 33.67) |
| CIE-LCH | lch(47.63, 49.69, 42.65°) |
| OKLab | oklab(56.24% 0.1045 0.078) |
| OKLCH | oklch(56.24% 0.13 36.7) |
| XYZ | xyz(22.8367, 16.5086, 5.9861) |
| Luminance | 0.1651 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Sienna
#A0522D
ΔE00 5.89
Clay
#B66A50
ΔE00 6.34
Rust
#B7410E
ΔE00 7.13
Terra Cotta
#C9643B
ΔE00 7.17
Terracotta (survey)
#CA6641
ΔE00 7.27
Adobe
#BD6C48
ΔE00 7.64
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B4553A #3A99B4
analogous
#B43A5C #B4553A #B4923A
triadic
#B4553A #3AB455 #553AB4
tetradic
#B4553A #5CB43A #3A99B4 #923AB4
square
#B4553A #5CB43A #3A99B4 #923AB4
split-complementary
#B4553A #3AB492 #3A5CB4
monochromatic
#57291C #863F2B #B4553A #CC7760 #DB9F8E
Accessibility & contrast
On white
4.88
#B4553A on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.30
#B4553A on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B4553A
4.88:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B4553A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B4553A | 1.00 | 4.88 | 4.30 | 4.88 |
| #FFFFFF | 4.88 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.30 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.88 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6E6437
Deuteranopia (green-blind)
#857938
Tritanopia (blue-blind)
#C5424F
Achromatopsia (no color)
#717171
Design tokens & code
CSS
--color: #b4553a; /* rgb */ color: rgb(180, 85, 58); /* oklch */ color: oklch(56.2% 0.130 36.7);
Tailwind
colors: {
custom: {
50: '#d08771',
500: '#b4553a',
950: '#000000',
},
}SCSS
$custom: #b4553a; $custom-light: #d08771; $custom-dark: #000000;
JSON
{
"hex": "#b4553a",
"rgb": {
"r": 180,
"g": 85,
"b": 58
},
"hsl": {
"h": 13.279,
"s": 51.261,
"l": 46.667
},
"oklch": {
"l": 0.56237,
"c": 0.13038,
"h": 36.7
},
"luminance": 0.16506
}Semantic roles & 50–950 ramp
primary
#B4553A
secondary
#85B7C5
accent
#BBDB4D
background
#FDF8F6
surface
#FBF0EC
border
#D4CBC7
text
#150B07
muted
#837C7A