#B1273E#B1273E
#B1273E is a mid, vivid red. Relative luminance 0.111; OKLCH L 50.3% C 0.173 H 17.4°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).
Color values
| HEX | #B1273E |
|---|---|
| RGB | rgb(177, 39, 62) |
| HSL | hsl(350, 64%, 42%) |
| HSV | hsv(350, 78%, 69%) |
| CMYK | cmyk(0%, 78%, 65%, 30.6%) |
| CIE-LAB | lab(39.83, 55.40, 21.57) |
| CIE-LCH | lch(39.83, 59.45, 21.28°) |
| OKLab | oklab(50.3% 0.165 0.0516) |
| OKLCH | oklch(50.3% 0.173 17.4) |
| XYZ | xyz(19.7286, 11.1489, 5.6696) |
| Luminance | 0.1115 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Rose Red
#BE013C
ΔE00 2.77
Rouge
#AB1239
ΔE00 2.98
Cardinal
#C41E3A
ΔE00 4.02
Lipstick Red
#C0022F
ΔE00 4.54
Ruby
#CA0147
ΔE00 4.92
Cherry (survey)
#CF0234
ΔE00 6.20
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B1273E #27B19A
analogous
#B12783 #B1273E #B15527
triadic
#B1273E #3EB127 #273EB1
tetradic
#B1273E #83B127 #27B19A #5527B1
square
#B1273E #83B127 #27B19A #5527B1
split-complementary
#B1273E #27B155 #2783B1
monochromatic
#4D111B #7F1C2C #B1273E #D54059 #E07285
Accessibility & contrast
On white
6.50
#B1273E on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.23
#B1273E on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B1273E
6.50:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B1273E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B1273E | 1.00 | 6.50 | 3.23 | 6.50 |
| #FFFFFF | 6.50 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.23 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.50 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4F4B3E
Deuteranopia (green-blind)
#72683A
Tritanopia (blue-blind)
#C20031
Achromatopsia (no color)
#5E5E5E
Design tokens & code
CSS
--color: #b1273e; /* rgb */ color: rgb(177, 39, 62); /* oklch */ color: oklch(50.3% 0.173 17.4);
Tailwind
colors: {
custom: {
50: '#d06e73',
500: '#b1273e',
950: '#000000',
},
}SCSS
$custom: #b1273e; $custom-light: #d06e73; $custom-dark: #000000;
JSON
{
"hex": "#b1273e",
"rgb": {
"r": 177,
"g": 39,
"b": 62
},
"hsl": {
"h": 350,
"s": 63.889,
"l": 42.353
},
"oklch": {
"l": 0.50296,
"c": 0.17287,
"h": 17.4
},
"luminance": 0.11146
}Semantic roles & 50–950 ramp
primary
#B1273E
secondary
#6DC7B8
accent
#E7CB41
background
#FDF7F6
surface
#FBEDEC
border
#D4C8C7
text
#150808
muted
#837B7B