#B23F2D#B23F2D
#B23F2D is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.7% C 0.153 H 31.4°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).
Color values
| HEX | #B23F2D |
|---|---|
| RGB | rgb(178, 63, 45) |
| HSL | hsl(8, 60%, 44%) |
| HSV | hsv(8, 75%, 70%) |
| CMYK | cmyk(0%, 64.6%, 74.7%, 30.2%) |
| CIE-LAB | lab(43.08, 45.74, 35.67) |
| CIE-LCH | lch(43.08, 58.01, 37.95°) |
| OKLab | oklab(52.68% 0.1307 0.0799) |
| OKLCH | oklch(52.68% 0.153 31.4) |
| XYZ | xyz(20.6135, 13.2124, 3.9469) |
| Luminance | 0.1321 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brick
#A03623
ΔE00 4.42
Brownish Red
#9E3623
ΔE00 4.78
Firebrick
#B22222
ΔE00 5.02
Rusty Red
#AF2F0D
ΔE00 5.56
Dull Red
#BB3F3F
ΔE00 5.58
Reddish
#C44240
ΔE00 6.03
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B23F2D #2DA0B2
analogous
#B22D5D #B23F2D #B2812D
triadic
#B23F2D #2DB23F #3F2DB2
tetradic
#B23F2D #5DB22D #2DA0B2 #812DB2
square
#B23F2D #5DB22D #2DA0B2 #812DB2
split-complementary
#B23F2D #2DB281 #2D5DB2
monochromatic
#501C14 #812E21 #B23F2D #D15D4B #DE897C
Accessibility & contrast
On white
5.77
#B23F2D on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.64
#B23F2D on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B23F2D
5.77:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B23F2D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B23F2D | 1.00 | 5.77 | 3.64 | 5.77 |
| #FFFFFF | 5.77 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.64 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.77 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5F562A
Deuteranopia (green-blind)
#7C6F29
Tritanopia (blue-blind)
#C4213B
Achromatopsia (no color)
#666666
Design tokens & code
CSS
--color: #b23f2d; /* rgb */ color: rgb(178, 63, 45); /* oklch */ color: oklch(52.7% 0.153 31.4);
Tailwind
colors: {
custom: {
50: '#d17a67',
500: '#b23f2d',
950: '#000000',
},
}SCSS
$custom: #b23f2d; $custom-light: #d17a67; $custom-dark: #000000;
JSON
{
"hex": "#b23f2d",
"rgb": {
"r": 178,
"g": 63,
"b": 45
},
"hsl": {
"h": 8.12,
"s": 59.641,
"l": 43.725
},
"oklch": {
"l": 0.52677,
"c": 0.15323,
"h": 31.4
},
"luminance": 0.13209
}Semantic roles & 50–950 ramp
primary
#B23F2D
secondary
#75BBC6
accent
#CDE345
background
#FDF7F6
surface
#FBEEEB
border
#D4C9C6
text
#150906
muted
#837B7A