#B74239#B74239
#B74239 is a mid, vivid red. Relative luminance 0.143; OKLCH L 54.0% C 0.153 H 27.7°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).
Color values
| HEX | #B74239 |
|---|---|
| RGB | rgb(183, 66, 57) |
| HSL | hsl(4, 53%, 47%) |
| HSV | hsv(4, 69%, 72%) |
| CMYK | cmyk(0%, 63.9%, 68.9%, 28.2%) |
| CIE-LAB | lab(44.61, 46.77, 30.77) |
| CIE-LCH | lch(44.61, 55.98, 33.34°) |
| OKLab | oklab(54.04% 0.1358 0.0713) |
| OKLCH | oklch(54.04% 0.153 27.7) |
| XYZ | xyz(22.2175, 14.2622, 5.4531) |
| Luminance | 0.1426 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dull Red
#BB3F3F
ΔE00 2.50
Reddish
#C44240
ΔE00 3.12
Dusty Red
#B9484E
ΔE00 5.73
Firebrick
#B22222
ΔE00 5.82
Brown
#A52A2A
ΔE00 6.44
Cardinal
#C41E3A
ΔE00 6.71
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B74239 #39AEB7
analogous
#B7396F #B74239 #B78139
triadic
#B74239 #39B742 #4239B7
tetradic
#B74239 #6FB739 #39AEB7 #8139B7
square
#B74239 #6FB739 #39AEB7 #8139B7
split-complementary
#B74239 #39B781 #396FB7
monochromatic
#5A201C #88312A #B74239 #CD6860 #DC948E
Accessibility & contrast
On white
5.45
#B74239 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.85
#B74239 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B74239
5.45:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B74239 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B74239 | 1.00 | 5.45 | 3.85 | 5.45 |
| #FFFFFF | 5.45 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.85 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.45 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#625A37
Deuteranopia (green-blind)
#7F7336
Tritanopia (blue-blind)
#C92641
Achromatopsia (no color)
#696969
Design tokens & code
CSS
--color: #b74239; /* rgb */ color: rgb(183, 66, 57); /* oklch */ color: oklch(54.0% 0.153 27.7);
Tailwind
colors: {
custom: {
50: '#d47c70',
500: '#b74239',
950: '#000000',
},
}SCSS
$custom: #b74239; $custom-light: #d47c70; $custom-dark: #000000;
JSON
{
"hex": "#b74239",
"rgb": {
"r": 183,
"g": 66,
"b": 57
},
"hsl": {
"h": 4.286,
"s": 52.5,
"l": 47.059
},
"oklch": {
"l": 0.54038,
"c": 0.15338,
"h": 27.7
},
"luminance": 0.14259
}Semantic roles & 50–950 ramp
primary
#B74239
secondary
#85C2C7
accent
#D2DC4C
background
#FEF7F6
surface
#FCEEEC
border
#D5C9C7
text
#160A07
muted
#847C7A