#B25131#B25131
#B25131 is a mid, vivid red. Relative luminance 0.156; OKLCH L 55.2% C 0.135 H 38.5°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).
Color values
| HEX | #B25131 |
|---|---|
| RGB | rgb(178, 81, 49) |
| HSL | hsl(15, 57%, 45%) |
| HSV | hsv(15, 72%, 70%) |
| CMYK | cmyk(0%, 54.5%, 72.5%, 30.2%) |
| CIE-LAB | lab(46.41, 37.32, 37.15) |
| CIE-LCH | lch(46.41, 52.66, 44.87°) |
| OKLab | oklab(55.21% 0.1054 0.084) |
| OKLCH | oklch(55.21% 0.135 38.5) |
| XYZ | xyz(21.8590, 15.5744, 4.7602) |
| Luminance | 0.1557 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Sienna
#A0522D
ΔE00 4.58
Rust
#B7410E
ΔE00 5.28
Brick Orange
#C14A09
ΔE00 6.40
Burnt Sienna
#B04E0F
ΔE00 6.70
Rust (survey)
#A83C09
ΔE00 6.92
Sienna (survey)
#A9561E
ΔE00 7.13
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B25131 #3192B2
analogous
#B23151 #B25131 #B29231
triadic
#B25131 #31B251 #5131B2
tetradic
#B25131 #51B231 #3192B2 #9231B2
square
#B25131 #51B231 #3192B2 #9231B2
split-complementary
#B25131 #31B292 #3151B2
monochromatic
#522517 #823B24 #B25131 #CF7051 #DC9881
Accessibility & contrast
On white
5.10
#B25131 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.11
#B25131 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B25131
5.10:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B25131 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B25131 | 1.00 | 5.10 | 4.11 | 5.10 |
| #FFFFFF | 5.10 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.11 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.10 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6B612D
Deuteranopia (green-blind)
#83762F
Tritanopia (blue-blind)
#C33D4A
Achromatopsia (no color)
#6E6E6E
Design tokens & code
CSS
--color: #b25131; /* rgb */ color: rgb(178, 81, 49); /* oklch */ color: oklch(55.2% 0.135 38.5);
Tailwind
colors: {
custom: {
50: '#d0846a',
500: '#b25131',
950: '#000000',
},
}SCSS
$custom: #b25131; $custom-light: #d0846a; $custom-dark: #000000;
JSON
{
"hex": "#b25131",
"rgb": {
"r": 178,
"g": 81,
"b": 49
},
"hsl": {
"h": 14.884,
"s": 56.828,
"l": 44.51
},
"oklch": {
"l": 0.5521,
"c": 0.13481,
"h": 38.5
},
"luminance": 0.15572
}Semantic roles & 50–950 ramp
primary
#B25131
secondary
#79B3C5
accent
#BAE048
background
#FDF8F6
surface
#FBEFEB
border
#D4CAC6
text
#150B06
muted
#837C7A