#B1503F#B1503F
#B1503F is a mid, vivid red. Relative luminance 0.154; OKLCH L 55.1% C 0.130 H 31.7°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).
Color values
| HEX | #B1503F |
|---|---|
| RGB | rgb(177, 80, 63) |
| HSL | hsl(9, 48%, 47%) |
| HSV | hsv(9, 64%, 69%) |
| CMYK | cmyk(0%, 54.8%, 64.4%, 30.6%) |
| CIE-LAB | lab(46.24, 38.25, 29.02) |
| CIE-LCH | lch(46.24, 48.02, 37.19°) |
| OKLab | oklab(55.11% 0.111 0.0685) |
| OKLCH | oklch(55.11% 0.13 31.7) |
| XYZ | xyz(21.8993, 15.4460, 6.5298) |
| Luminance | 0.1544 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Reddish
#C44240
ΔE00 5.32
Dull Red
#BB3F3F
ΔE00 5.43
Dark Salmon
#C85A53
ΔE00 6.92
Dusty Red
#B9484E
ΔE00 7.17
Dark Coral
#CF524E
ΔE00 7.34
Brick
#A03623
ΔE00 7.68
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B1503F #3FA0B1
analogous
#B13F67 #B1503F #B1893F
triadic
#B1503F #3FB150 #503FB1
tetradic
#B1503F #67B13F #3FA0B1 #893FB1
square
#B1503F #67B13F #3FA0B1 #893FB1
split-complementary
#B1503F #3FB189 #3F67B1
monochromatic
#57271F #843C2F #B1503F #C87465 #D89D92
Accessibility & contrast
On white
5.14
#B1503F on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.09
#B1503F on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B1503F
5.14:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B1503F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B1503F | 1.00 | 5.14 | 4.09 | 5.14 |
| #FFFFFF | 5.14 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.09 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.14 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#69613D
Deuteranopia (green-blind)
#81753D
Tritanopia (blue-blind)
#C23E4C
Achromatopsia (no color)
#6E6E6E
Design tokens & code
CSS
--color: #b1503f; /* rgb */ color: rgb(177, 80, 63); /* oklch */ color: oklch(55.1% 0.130 31.7);
Tailwind
colors: {
custom: {
50: '#ce8474',
500: '#b1503f',
950: '#000000',
},
}SCSS
$custom: #b1503f; $custom-light: #ce8474; $custom-dark: #000000;
JSON
{
"hex": "#b1503f",
"rgb": {
"r": 177,
"g": 80,
"b": 63
},
"hsl": {
"h": 8.947,
"s": 47.5,
"l": 47.059
},
"oklch": {
"l": 0.55107,
"c": 0.13045,
"h": 31.7
},
"luminance": 0.15443
}Semantic roles & 50–950 ramp
primary
#B1503F
secondary
#88BBC4
accent
#C3D751
background
#FDF8F7
surface
#FAEFED
border
#D3CAC8
text
#150B08
muted
#837C7B