#B3553B#B3553B
#B3553B is a mid, vivid red. Relative luminance 0.164; OKLCH L 56.1% C 0.129 H 36.4°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).
Color values
| HEX | #B3553B |
|---|---|
| RGB | rgb(179, 85, 59) |
| HSL | hsl(13, 50%, 47%) |
| HSV | hsv(13, 67%, 70%) |
| CMYK | cmyk(0%, 52.5%, 67%, 29.8%) |
| CIE-LAB | lab(47.49, 36.22, 32.90) |
| CIE-LCH | lch(47.49, 48.93, 42.25°) |
| OKLab | oklab(56.1% 0.1038 0.0765) |
| OKLCH | oklch(56.1% 0.129 36.4) |
| XYZ | xyz(22.6304, 16.3992, 6.1105) |
| Luminance | 0.1640 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Sienna
#A0522D
ΔE00 5.91
Clay
#B66A50
ΔE00 6.37
Rust
#B7410E
ΔE00 7.35
Terra Cotta
#C9643B
ΔE00 7.45
Terracotta (survey)
#CA6641
ΔE00 7.51
Reddish
#C44240
ΔE00 7.74
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B3553B #3B99B3
analogous
#B33B5D #B3553B #B3913B
triadic
#B3553B #3BB355 #553BB3
tetradic
#B3553B #5DB33B #3B99B3 #913BB3
square
#B3553B #5DB33B #3B99B3 #913BB3
split-complementary
#B3553B #3BB391 #3B5DB3
monochromatic
#57291D #853F2C #B3553B #CB7760 #DA9F8E
Accessibility & contrast
On white
4.91
#B3553B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.28
#B3553B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B3553B
4.91:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B3553B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B3553B | 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)
#6E6438
Deuteranopia (green-blind)
#857839
Tritanopia (blue-blind)
#C4434F
Achromatopsia (no color)
#717171
Design tokens & code
CSS
--color: #b3553b; /* rgb */ color: rgb(179, 85, 59); /* oklch */ color: oklch(56.1% 0.129 36.4);
Tailwind
colors: {
custom: {
50: '#d08772',
500: '#b3553b',
950: '#000000',
},
}SCSS
$custom: #b3553b; $custom-light: #d08772; $custom-dark: #000000;
JSON
{
"hex": "#b3553b",
"rgb": {
"r": 179,
"g": 85,
"b": 59
},
"hsl": {
"h": 13,
"s": 50.42,
"l": 46.667
},
"oklch": {
"l": 0.56104,
"c": 0.12891,
"h": 36.4
},
"luminance": 0.16396
}Semantic roles & 50–950 ramp
primary
#B3553B
secondary
#85B7C5
accent
#BCDA4E
background
#FDF8F6
surface
#FBF0EC
border
#D4CBC7
text
#150B08
muted
#837C7B