#B23329#B23329
#B23329 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.3% C 0.165 H 28.7°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).
Color values
| HEX | #B23329 |
|---|---|
| RGB | rgb(178, 51, 41) |
| HSL | hsl(4, 63%, 43%) |
| HSV | hsv(4, 77%, 70%) |
| CMYK | cmyk(0%, 71.3%, 77%, 30.2%) |
| CIE-LAB | lab(41.21, 50.54, 35.89) |
| CIE-LCH | lch(41.21, 61.98, 35.38°) |
| OKLab | oklab(51.26% 0.1449 0.0794) |
| OKLCH | oklch(51.26% 0.165 28.7) |
| XYZ | xyz(19.9465, 11.9958, 3.3625) |
| Luminance | 0.1199 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Firebrick
#B22222
ΔE00 2.49
Brick
#A03623
ΔE00 3.99
Brown
#A52A2A
ΔE00 4.10
Scarlet
#BE0119
ΔE00 4.15
Brownish Red
#9E3623
ΔE00 4.33
Dull Red
#BB3F3F
ΔE00 5.28
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B23329 #29A8B2
analogous
#B22963 #B23329 #B27829
triadic
#B23329 #29B233 #3329B2
tetradic
#B23329 #63B229 #29A8B2 #7829B2
square
#B23329 #63B229 #29A8B2 #7829B2
split-complementary
#B23329 #29B278 #2963B2
monochromatic
#4F1612 #80251E #B23329 #D44F44 #DF7E76
Accessibility & contrast
On white
6.18
#B23329 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.40
#B23329 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B23329
6.18:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B23329 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B23329 | 1.00 | 6.18 | 3.40 | 6.18 |
| #FFFFFF | 6.18 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.40 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.18 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#585027
Deuteranopia (green-blind)
#786B24
Tritanopia (blue-blind)
#C40032
Achromatopsia (no color)
#616161
Design tokens & code
CSS
--color: #b23329; /* rgb */ color: rgb(178, 51, 41); /* oklch */ color: oklch(51.3% 0.165 28.7);
Tailwind
colors: {
custom: {
50: '#d27364',
500: '#b23329',
950: '#000000',
},
}SCSS
$custom: #b23329; $custom-light: #d27364; $custom-dark: #000000;
JSON
{
"hex": "#b23329",
"rgb": {
"r": 178,
"g": 51,
"b": 41
},
"hsl": {
"h": 4.38,
"s": 62.557,
"l": 42.941
},
"oklch": {
"l": 0.51259,
"c": 0.16523,
"h": 28.7
},
"luminance": 0.11993
}Semantic roles & 50–950 ramp
primary
#B23329
secondary
#70C1C7
accent
#DAE642
background
#FEF7F6
surface
#FCEDEB
border
#D5C8C6
text
#160905
muted
#847B7A