#B1383F#B1383F
#B1383F is a mid, vivid red. Relative luminance 0.125; OKLCH L 52.0% C 0.157 H 21.3°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).
Color values
| HEX | #B1383F |
|---|---|
| RGB | rgb(177, 56, 63) |
| HSL | hsl(357, 52%, 46%) |
| HSV | hsv(357, 68%, 69%) |
| CMYK | cmyk(0%, 68.4%, 64.4%, 30.6%) |
| CIE-LAB | lab(42.06, 49.34, 23.80) |
| CIE-LCH | lch(42.06, 54.78, 25.75°) |
| OKLab | oklab(51.96% 0.1458 0.0568) |
| OKLCH | oklch(51.96% 0.157 21.3) |
| XYZ | xyz(20.4449, 12.5372, 6.0450) |
| Luminance | 0.1253 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dull Red
#BB3F3F
ΔE00 3.34
Cardinal
#C41E3A
ΔE00 3.90
Dusty Red
#B9484E
ΔE00 4.30
Lipstick Red
#C0022F
ΔE00 4.93
Brown
#A52A2A
ΔE00 5.31
Reddish
#C44240
ΔE00 5.49
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B1383F #38B1AA
analogous
#B1387B #B1383F #B16D38
triadic
#B1383F #3FB138 #383FB1
tetradic
#B1383F #7BB138 #38B1AA #6D38B1
square
#B1383F #7BB138 #38B1AA #6D38B1
split-complementary
#B1383F #38B16D #387BB1
monochromatic
#541B1E #83292E #B1383F #CB5B62 #DA8A8E
Accessibility & contrast
On white
5.99
#B1383F on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.51
#B1383F on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B1383F
5.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B1383F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B1383F | 1.00 | 5.99 | 3.51 | 5.99 |
| #FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.51 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#58533E
Deuteranopia (green-blind)
#776D3C
Tritanopia (blue-blind)
#C2193C
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #b1383f; /* rgb */ color: rgb(177, 56, 63); /* oklch */ color: oklch(52.0% 0.157 21.3);
Tailwind
colors: {
custom: {
50: '#cf7674',
500: '#b1383f',
950: '#000000',
},
}SCSS
$custom: #b1383f; $custom-light: #cf7674; $custom-dark: #000000;
JSON
{
"hex": "#b1383f",
"rgb": {
"r": 177,
"g": 56,
"b": 63
},
"hsl": {
"h": 356.529,
"s": 51.931,
"l": 45.686
},
"oklch": {
"l": 0.51958,
"c": 0.1565,
"h": 21.3
},
"luminance": 0.12534
}Semantic roles & 50–950 ramp
primary
#B1383F
secondary
#81C4C0
accent
#DBD34C
background
#FDF7F7
surface
#FBEDED
border
#D4C8C8
text
#150908
muted
#837B7B