#B57DA9
Closest named color: Dusty Lavender (#AC86A8). oklch(66% 0.091 334.5), rgb(181, 125, 169).
Aa
Black text reads best on this color (6.47:1).
About this color
#B57DA9 is a medium-light, moderately saturated purple. In OKLCH its lightness is 66%, its chroma 0.091 and its hue 335°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Lavender (#AC86A8), ΔE 0.027 away. Black text reads best on it, at 6.47:1.
| Hue family | Purples |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.091) |
| Temperature | in between |
| Nearest name | Dusty Lavender (#AC86A8) |
| Black text | 6.47:1 |
| White text | 3.24:1 |
Values
| HEX | #B57DA9 |
| RGB | rgb(181, 125, 169) |
| HSL | hsl(313, 27%, 60%) |
| OKLCH | oklch(66% 0.091 334.5) |
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 #B57DA9 | 3.24:1 | AA large text | Lc -65.1 | Content text, not long reading |
| Black text on #B57DA9 | 6.47:1 | AA | Lc 44.4 | Non-text elements, placeholder text |
| #B57DA9 text on white | 3.24:1 | AA large text | Lc 59.6 | Large or bold text, headings |
| #B57DA9 text on black | 6.47:1 | AA | Lc -42.1 | 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
#F8F4F7
oklch(97.1% 0.006 334)
-
Step 100
100
#F0E7ED
oklch(93.7% 0.013 337.5)
-
Step 200
200
#E4D3E0
oklch(88.4% 0.026 333.8)
-
Step 300
300
#D3B6CC
oklch(80.8% 0.044 334.4)
-
Step 400
400
#BD90B3
oklch(70.7% 0.072 334.3)
-
Step 500
500 (this color)
#B57DA9
oklch(66% 0.091 334.5)
-
Step 600
600
#965C8B
oklch(55.5% 0.099 334)
-
Step 700
700
#804C76
oklch(49.2% 0.091 334.2)
-
Step 800
800
#683E60
oklch(42.6% 0.077 334.1)
-
Step 900
900
#55354E
oklch(37.7% 0.06 335)
-
Step 950
950
#321F2E
oklch(27% 0.039 334.4)
#B57DA9 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) | #7D8AAB | 0.089 |
| Deuteranopia (no green cones) | #8A92A7 | 0.083 |
| Tritanopia (no blue cones) | #BA7F8D | 0.045 |
| Achromatopsia (no color) | #8F8F8F | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B57DA9
#B57DA9
oklch(66% 0.091 334.5)
- #63A379
#63A379
oklch(66% 0.091 154.4)
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 #B57DA9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Lavender #AC86A8 ΔE 0.027
- Heather #A484AC ΔE 0.031
- Wisteria #A87DC2 ΔE 0.043
- Soft Purple #A66FB5 ΔE 0.053
- Dusky Pink #CC7A8B ΔE 0.057
- Old Pink #C77986 ΔE 0.057
- Muted Pink #D1768F ΔE 0.058
- Old Rose #C87F89 ΔE 0.059
Use #B57DA9 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.