#B53127#B53127
#B53127 is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.6% C 0.170 H 28.8°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).
Color values
| HEX | #B53127 |
|---|---|
| RGB | rgb(181, 49, 39) |
| HSL | hsl(4, 65%, 43%) |
| HSV | hsv(4, 78%, 71%) |
| CMYK | cmyk(0%, 72.9%, 78.5%, 29%) |
| CIE-LAB | lab(41.48, 52.18, 37.47) |
| CIE-LCH | lch(41.48, 64.25, 35.68°) |
| OKLab | oklab(51.56% 0.1493 0.082) |
| OKLCH | oklch(51.56% 0.17 28.8) |
| XYZ | xyz(20.5230, 12.1700, 3.1875) |
| Luminance | 0.1217 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Firebrick
#B22222
ΔE00 2.51
Scarlet
#BE0119
ΔE00 3.77
Brick
#A03623
ΔE00 4.35
Brown
#A52A2A
ΔE00 4.59
Brownish Red
#9E3623
ΔE00 4.71
Dull Red
#BB3F3F
ΔE00 5.48
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B53127 #27ABB5
analogous
#B52764 #B53127 #B57827
triadic
#B53127 #27B531 #3127B5
tetradic
#B53127 #64B527 #27ABB5 #7827B5
square
#B53127 #64B527 #27ABB5 #7827B5
split-complementary
#B53127 #27B578 #2764B5
monochromatic
#501611 #83231C #B53127 #D64D43 #E17D75
Accessibility & contrast
On white
6.12
#B53127 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.43
#B53127 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B53127
6.12:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B53127 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B53127 | 1.00 | 6.12 | 3.43 | 6.12 |
| #FFFFFF | 6.12 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.43 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.12 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#584F25
Deuteranopia (green-blind)
#796C21
Tritanopia (blue-blind)
#C70030
Achromatopsia (no color)
#626262
Design tokens & code
CSS
--color: #b53127; /* rgb */ color: rgb(181, 49, 39); /* oklch */ color: oklch(51.6% 0.170 28.8);
Tailwind
colors: {
custom: {
50: '#d47362',
500: '#b53127',
950: '#000000',
},
}SCSS
$custom: #b53127; $custom-light: #d47362; $custom-dark: #000000;
JSON
{
"hex": "#b53127",
"rgb": {
"r": 181,
"g": 49,
"b": 39
},
"hsl": {
"h": 4.225,
"s": 64.545,
"l": 43.137
},
"oklch": {
"l": 0.51561,
"c": 0.17036,
"h": 28.8
},
"luminance": 0.12167
}Semantic roles & 50–950 ramp
primary
#B53127
secondary
#6FC2C9
accent
#DCE840
background
#FEF7F5
surface
#FCEDEA
border
#D5C8C6
text
#160905
muted
#847B79