#B23929#B23929
#B23929 is a mid, vivid red. Relative luminance 0.126; OKLCH L 51.9% C 0.160 H 30.6°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).
Color values
| HEX | #B23929 |
|---|---|
| RGB | rgb(178, 57, 41) |
| HSL | hsl(7, 63%, 43%) |
| HSV | hsv(7, 77%, 70%) |
| CMYK | cmyk(0%, 68%, 77%, 30.2%) |
| CIE-LAB | lab(42.08, 48.15, 36.82) |
| CIE-LCH | lch(42.08, 60.62, 37.41°) |
| OKLab | oklab(51.91% 0.1374 0.0814) |
| OKLCH | oklch(51.91% 0.16 30.6) |
| XYZ | xyz(20.2257, 12.5543, 3.4556) |
| Luminance | 0.1255 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brick
#A03623
ΔE00 3.85
Firebrick
#B22222
ΔE00 3.88
Brownish Red
#9E3623
ΔE00 4.23
Rusty Red
#AF2F0D
ΔE00 5.10
Scarlet
#BE0119
ΔE00 5.19
Brown
#A52A2A
ΔE00 5.42
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B23929 #29A2B2
analogous
#B2295E #B23929 #B27D29
triadic
#B23929 #29B239 #3929B2
tetradic
#B23929 #5EB229 #29A2B2 #7D29B2
square
#B23929 #5EB229 #29A2B2 #7D29B2
split-complementary
#B23929 #29B27D #295EB2
monochromatic
#4F1912 #80291E #B23929 #D45544 #DF8276
Accessibility & contrast
On white
5.98
#B23929 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.51
#B23929 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B23929
5.98:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B23929 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B23929 | 1.00 | 5.98 | 3.51 | 5.98 |
| #FFFFFF | 5.98 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.51 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.98 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5C5226
Deuteranopia (green-blind)
#7A6D24
Tritanopia (blue-blind)
#C41336
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #b23929; /* rgb */ color: rgb(178, 57, 41); /* oklch */ color: oklch(51.9% 0.160 30.6);
Tailwind
colors: {
custom: {
50: '#d17664',
500: '#b23929',
950: '#000000',
},
}SCSS
$custom: #b23929; $custom-light: #d17664; $custom-dark: #000000;
JSON
{
"hex": "#b23929",
"rgb": {
"r": 178,
"g": 57,
"b": 41
},
"hsl": {
"h": 7.007,
"s": 62.557,
"l": 42.941
},
"oklch": {
"l": 0.51913,
"c": 0.15973,
"h": 30.6
},
"luminance": 0.12551
}Semantic roles & 50–950 ramp
primary
#B23929
secondary
#70BDC7
accent
#D3E642
background
#FEF7F6
surface
#FCEDEB
border
#D5C8C6
text
#160905
muted
#847B7A