#B83B30#B83B30
#B83B30 is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.2% C 0.163 H 28.7°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).
Color values
| HEX | #B83B30 |
|---|---|
| RGB | rgb(184, 59, 48) |
| HSL | hsl(5, 59%, 45%) |
| HSV | hsv(5, 74%, 72%) |
| CMYK | cmyk(0%, 67.9%, 73.9%, 27.8%) |
| CIE-LAB | lab(43.56, 49.66, 34.81) |
| CIE-LCH | lch(43.56, 60.64, 35.03°) |
| OKLab | oklab(53.25% 0.1429 0.0784) |
| OKLCH | oklch(53.25% 0.163 28.7) |
| XYZ | xyz(21.8670, 13.5349, 4.2568) |
| Luminance | 0.1353 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dull Red
#BB3F3F
ΔE00 3.91
Firebrick
#B22222
ΔE00 4.40
Reddish
#C44240
ΔE00 4.41
Scarlet
#BE0119
ΔE00 5.50
Brick
#A03623
ΔE00 5.60
Brown
#A52A2A
ΔE00 5.79
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B83B30 #30ADB8
analogous
#B83069 #B83B30 #B87F30
triadic
#B83B30 #30B83B #3B30B8
tetradic
#B83B30 #69B830 #30ADB8 #7F30B8
square
#B83B30 #69B830 #30ADB8 #7F30B8
split-complementary
#B83B30 #30B87F #3069B8
monochromatic
#571C17 #872B23 #B83B30 #D25D53 #DF8B84
Accessibility & contrast
On white
5.67
#B83B30 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.71
#B83B30 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B83B30
5.67:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B83B30 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B83B30 | 1.00 | 5.67 | 3.71 | 5.67 |
| #FFFFFF | 5.67 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.71 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.67 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5E562E
Deuteranopia (green-blind)
#7E712C
Tritanopia (blue-blind)
#CA1539
Achromatopsia (no color)
#676767
Design tokens & code
CSS
--color: #b83b30; /* rgb */ color: rgb(184, 59, 48); /* oklch */ color: oklch(53.2% 0.163 28.7);
Tailwind
colors: {
custom: {
50: '#d57869',
500: '#b83b30',
950: '#000000',
},
}SCSS
$custom: #b83b30; $custom-light: #d57869; $custom-dark: #000000;
JSON
{
"hex": "#b83b30",
"rgb": {
"r": 184,
"g": 59,
"b": 48
},
"hsl": {
"h": 4.853,
"s": 58.621,
"l": 45.49
},
"oklch": {
"l": 0.53247,
"c": 0.16298,
"h": 28.7
},
"luminance": 0.13532
}Semantic roles & 50–950 ramp
primary
#B83B30
secondary
#7CC2C8
accent
#D5E246
background
#FEF7F6
surface
#FCEEEB
border
#D5C9C6
text
#160906
muted
#847B7A