#B4545B
Closest named color: Dusty Red (#B9484E). oklch(56.7% 0.125 17.4), rgb(180, 84, 91).
Aa
White text reads best on this color (4.81:1).
About this color
#B4545B is a medium-dark, moderately saturated red. In OKLCH its lightness is 57%, its chroma 0.125 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Dusty Red (#B9484E), ΔE 0.025 away. White text reads best on it, at 4.81:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.125) |
| Temperature | warm |
| Nearest name | Dusty Red (#B9484E) |
| Black text | 4.35:1 |
| White text | 4.81:1 |
Values
| HEX | #B4545B |
| RGB | rgb(180, 84, 91) |
| HSL | hsl(356, 39%, 52%) |
| OKLCH | oklch(56.7% 0.125 17.4) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #B4545B | 4.81:1 | AA | Lc -78.4 | Fine for body text |
| Black text on #B4545B | 4.35:1 | AA large text | Lc 31.2 | Non-text elements, placeholder text |
| #B4545B text on white | 4.81:1 | AA | Lc 72.9 | Content text, not long reading |
| #B4545B text on black | 4.35:1 | AA large text | Lc -28.8 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#FAF3F3
oklch(97% 0.008 17.3)
-
Step 100
100
#F5E6E6
oklch(93.7% 0.016 17.4)
-
Step 200
200
#EDD1D1
oklch(88.4% 0.031 17.8)
-
Step 300
300
#E3B3B3
oklch(81% 0.056 18.4)
-
Step 400
400
#D38A8C
oklch(70.8% 0.09 17.8)
-
Step 500
500
#C56B70
oklch(63.1% 0.114 17.4)
-
Step 600
600 (this color)
#B4545B
oklch(56.7% 0.125 17.4)
-
Step 700
700
#974148
oklch(49.1% 0.116 17.4)
-
Step 800
800
#7B363B
oklch(42.7% 0.096 17.6)
-
Step 900
900
#632F33
oklch(37.6% 0.075 16.6)
-
Step 950
950
#3A1C1E
oklch(26.9% 0.047 16.5)
#B4545B with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #69665B | 0.135 |
| Deuteranopia (no green cones) | #817959 | 0.124 |
| Tritanopia (no blue cones) | #C34757 | 0.034 |
| Achromatopsia (no color) | #727272 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4545B
#B4545B
oklch(56.7% 0.125 17.4)
- #00888A
#00888A
oklch(56.8% 0.097 196.6)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #B4545B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Red #B9484E ΔE 0.025
- Dark Rose #B5485D ΔE 0.027
- Dull Red #BB3F3F ΔE 0.045
- Light Maroon #A24857 ΔE 0.047
- Deep Rose #C74767 ΔE 0.047
- Dusky Rose #BA6873 ΔE 0.051
- Light Burgundy #A8415B ΔE 0.052
- Dark Coral #CF524E ΔE 0.053
Use #B4545B in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.