#B3553A#B3553A
#B3553A is a mid, vivid red. Relative luminance 0.164; OKLCH L 56.1% C 0.129 H 36.9°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).
Color values
| HEX | #B3553A |
|---|---|
| RGB | rgb(179, 85, 58) |
| HSL | hsl(13, 51%, 46%) |
| HSV | hsv(13, 68%, 70%) |
| CMYK | cmyk(0%, 52.5%, 67.6%, 29.8%) |
| CIE-LAB | lab(47.48, 36.16, 33.45) |
| CIE-LCH | lch(47.48, 49.26, 42.77°) |
| OKLab | oklab(56.09% 0.1034 0.0775) |
| OKLCH | oklch(56.09% 0.129 36.9) |
| XYZ | xyz(22.6047, 16.3889, 5.9752) |
| Luminance | 0.1639 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Sienna
#A0522D
ΔE00 5.71
Clay
#B66A50
ΔE00 6.38
Rust
#B7410E
ΔE00 7.11
Terra Cotta
#C9643B
ΔE00 7.31
Terracotta (survey)
#CA6641
ΔE00 7.42
Adobe
#BD6C48
ΔE00 7.71
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B3553A #3A98B3
analogous
#B33A5C #B3553A #B3923A
triadic
#B3553A #3AB355 #553AB3
tetradic
#B3553A #5CB33A #3A98B3 #923AB3
square
#B3553A #5CB33A #3A98B3 #923AB3
split-complementary
#B3553A #3AB392 #3A5CB3
monochromatic
#57291C #853F2B #B3553A #CB775F #DA9E8D
Accessibility & contrast
On white
4.91
#B3553A on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.28
#B3553A on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B3553A
4.91:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B3553A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B3553A | 1.00 | 4.91 | 4.28 | 4.91 |
| #FFFFFF | 4.91 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.28 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.91 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6E6437
Deuteranopia (green-blind)
#857838
Tritanopia (blue-blind)
#C4434F
Achromatopsia (no color)
#717171
Design tokens & code
CSS
--color: #b3553a; /* rgb */ color: rgb(179, 85, 58); /* oklch */ color: oklch(56.1% 0.129 36.9);
Tailwind
colors: {
custom: {
50: '#d08771',
500: '#b3553a',
950: '#000000',
},
}SCSS
$custom: #b3553a; $custom-light: #d08771; $custom-dark: #000000;
JSON
{
"hex": "#b3553a",
"rgb": {
"r": 179,
"g": 85,
"b": 58
},
"hsl": {
"h": 13.388,
"s": 51.055,
"l": 46.471
},
"oklch": {
"l": 0.56089,
"c": 0.12923,
"h": 36.9
},
"luminance": 0.16386
}Semantic roles & 50–950 ramp
primary
#B3553A
secondary
#84B6C5
accent
#BBDB4D
background
#FDF8F6
surface
#FBF0EC
border
#D4CBC7
text
#150B07
muted
#837C7A