#B83A39#B83A39
#B83A39 is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.3% C 0.163 H 24.9°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).
Color values
| HEX | #B83A39 |
|---|---|
| RGB | rgb(184, 58, 57) |
| HSL | hsl(0, 53%, 47%) |
| HSV | hsv(0, 69%, 72%) |
| CMYK | cmyk(0%, 68.5%, 69%, 27.8%) |
| CIE-LAB | lab(43.53, 50.50, 29.52) |
| CIE-LCH | lch(43.53, 58.50, 30.31°) |
| OKLab | oklab(53.26% 0.1474 0.0685) |
| OKLCH | oklch(53.26% 0.163 24.9) |
| XYZ | xyz(22.0211, 13.5151, 5.3192) |
| Luminance | 0.1351 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dull Red
#BB3F3F
ΔE00 1.53
Reddish
#C44240
ΔE00 3.30
Cardinal
#C41E3A
ΔE00 4.62
Dusty Red
#B9484E
ΔE00 5.01
Firebrick
#B22222
ΔE00 5.13
Lipstick Red
#C0022F
ΔE00 5.31
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B83A39 #39B7B8
analogous
#B83978 #B83A39 #B87939
triadic
#B83A39 #39B83A #3A39B8
tetradic
#B83A39 #78B839 #39B7B8 #7939B8
square
#B83A39 #78B839 #39B7B8 #7939B8
split-complementary
#B83A39 #39B879 #3978B8
monochromatic
#5B1D1C #892B2B #B83A39 #CE6160 #DC908F
Accessibility & contrast
On white
5.67
#B83A39 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.70
#B83A39 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B83A39
5.67:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B83A39 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B83A39 | 1.00 | 5.67 | 3.70 | 5.67 |
| #FFFFFF | 5.67 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.70 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.67 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5D5638
Deuteranopia (green-blind)
#7C7135
Tritanopia (blue-blind)
#CA163B
Achromatopsia (no color)
#676767
Design tokens & code
CSS
--color: #b83a39; /* rgb */ color: rgb(184, 58, 57); /* oklch */ color: oklch(53.3% 0.163 24.9);
Tailwind
colors: {
custom: {
50: '#d5786f',
500: '#b83a39',
950: '#000000',
},
}SCSS
$custom: #b83a39; $custom-light: #d5786f; $custom-dark: #000000;
JSON
{
"hex": "#b83a39",
"rgb": {
"r": 184,
"g": 58,
"b": 57
},
"hsl": {
"h": 0.472,
"s": 52.697,
"l": 47.255
},
"oklch": {
"l": 0.53263,
"c": 0.16257,
"h": 24.9
},
"luminance": 0.13512
}Semantic roles & 50–950 ramp
primary
#B83A39
secondary
#86C7C7
accent
#DBDC4C
background
#FEF7F6
surface
#FCEEEC
border
#D5C9C7
text
#160907
muted
#847B7A