#B5728B
Closest named color: Mauve (#AE7181). oklch(63.1% 0.09 356), rgb(181, 114, 139).
Aa
Black text reads best on this color (5.74:1).
About this color
#B5728B is a medium-light, moderately saturated red. In OKLCH its lightness is 63%, its chroma 0.090 and its hue 356°. Its hue sits on the warm side of the wheel. The nearest named color is Mauve (#AE7181), ΔE 0.019 away. Black text reads best on it, at 5.74:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.090) |
| Temperature | warm |
| Nearest name | Mauve (#AE7181) |
| Black text | 5.74:1 |
| White text | 3.65:1 |
Values
| HEX | #B5728B |
| RGB | rgb(181, 114, 139) |
| HSL | hsl(338, 31%, 58%) |
| OKLCH | oklch(63.1% 0.09 356) |
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 #B5728B | 3.65:1 | AA large text | Lc -69.5 | Content text, not long reading |
| Black text on #B5728B | 5.74:1 | AA | Lc 40.1 | Non-text elements, placeholder text |
| #B5728B text on white | 3.65:1 | AA large text | Lc 64.0 | Content text, not long reading |
| #B5728B text on black | 5.74:1 | AA | Lc -37.7 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F9F4F5
oklch(97.1% 0.006 3.3)
-
Step 100
100
#F1E6EA
oklch(93.5% 0.013 353.2)
-
Step 200
200
#E7D3D9
oklch(88.5% 0.024 357.4)
-
Step 300
300
#D9B5C1
oklch(80.8% 0.044 356.1)
-
Step 400
400
#C58FA2
oklch(70.8% 0.07 356.2)
-
Step 500
500 (this color)
#B5728B
oklch(63.1% 0.09 356)
-
Step 600
600
#A05A75
oklch(55.6% 0.097 356.2)
-
Step 700
700
#894962
oklch(49.1% 0.092 356.2)
-
Step 800
800
#6F3D50
oklch(42.7% 0.074 356.5)
-
Step 900
900
#5A3442
oklch(37.6% 0.058 356.6)
-
Step 950
950
#351F27
oklch(27.1% 0.036 356.4)
#B5728B 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) | #7A7F8C | 0.097 |
| Deuteranopia (no green cones) | #8A8A89 | 0.091 |
| Tritanopia (no blue cones) | #BF6F7B | 0.027 |
| Achromatopsia (no color) | #868686 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5728B
#B5728B
oklch(63.1% 0.09 356)
- #439B87
#439B87
oklch(63% 0.09 176)
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 #B5728B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mauve #AE7181 ΔE 0.019
- Dusty Rose #C0737A ΔE 0.032
- Dusky Rose #BA6873 ΔE 0.036
- Old Pink #C77986 ΔE 0.040
- Dusky Pink #CC7A8B ΔE 0.047
- Old Rose #C87F89 ΔE 0.050
- Muted Pink #D1768F ΔE 0.052
- Brownish Pink #C27E79 ΔE 0.053
Use #B5728B 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.