#B83630#B83630
#B83630 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.7% C 0.168 H 27.2°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).
Color values
| HEX | #B83630 |
|---|---|
| RGB | rgb(184, 54, 48) |
| HSL | hsl(3, 59%, 45%) |
| HSV | hsv(3, 74%, 72%) |
| CMYK | cmyk(0%, 70.7%, 73.9%, 27.8%) |
| CIE-LAB | lab(42.83, 51.64, 33.99) |
| CIE-LCH | lch(42.83, 61.83, 33.35°) |
| OKLab | oklab(52.7% 0.1491 0.0766) |
| OKLCH | oklch(52.7% 0.168 27.2) |
| XYZ | xyz(21.6223, 13.0453, 4.1752) |
| Luminance | 0.1304 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dull Red
#BB3F3F
ΔE00 3.46
Firebrick
#B22222
ΔE00 3.63
Reddish
#C44240
ΔE00 4.41
Scarlet
#BE0119
ΔE00 4.86
Brown
#A52A2A
ΔE00 4.90
Brick
#A03623
ΔE00 5.75
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B83630 #30B2B8
analogous
#B8306E #B83630 #B87A30
triadic
#B83630 #30B836 #3630B8
tetradic
#B83630 #6EB830 #30B2B8 #7A30B8
square
#B83630 #6EB830 #30B2B8 #7A30B8
split-complementary
#B83630 #30B87A #306EB8
monochromatic
#571A17 #872823 #B83630 #D25953 #DF8884
Accessibility & contrast
On white
5.82
#B83630 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.61
#B83630 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B83630
5.82:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B83630 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B83630 | 1.00 | 5.82 | 3.61 | 5.82 |
| #FFFFFF | 5.82 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.61 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.82 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5B532E
Deuteranopia (green-blind)
#7C6F2B
Tritanopia (blue-blind)
#CA0436
Achromatopsia (no color)
#656565
Design tokens & code
CSS
--color: #b83630; /* rgb */ color: rgb(184, 54, 48); /* oklch */ color: oklch(52.7% 0.168 27.2);
Tailwind
colors: {
custom: {
50: '#d67669',
500: '#b83630',
950: '#000000',
},
}SCSS
$custom: #b83630; $custom-light: #d67669; $custom-dark: #000000;
JSON
{
"hex": "#b83630",
"rgb": {
"r": 184,
"g": 54,
"b": 48
},
"hsl": {
"h": 2.647,
"s": 58.621,
"l": 45.49
},
"oklch": {
"l": 0.52703,
"c": 0.16766,
"h": 27.2
},
"luminance": 0.13042
}Semantic roles & 50–950 ramp
primary
#B83630
secondary
#7CC5C8
accent
#DBE246
background
#FEF7F6
surface
#FCEDEB
border
#D5C8C6
text
#160906
muted
#847B7A