#B57CB0
Closest named color: Dusty Lavender (#AC86A8). oklch(66.1% 0.1 329.7), rgb(181, 124, 176).
Aa
Black text reads best on this color (6.47:1).
About this color
#B57CB0 is a medium-light, moderately saturated purple. In OKLCH its lightness is 66%, its chroma 0.100 and its hue 330°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Lavender (#AC86A8), ΔE 0.034 away. Black text reads best on it, at 6.47:1.
| Hue family | Purples |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.100) |
| Temperature | in between |
| Nearest name | Dusty Lavender (#AC86A8) |
| Black text | 6.47:1 |
| White text | 3.24:1 |
Values
| HEX | #B57CB0 |
| RGB | rgb(181, 124, 176) |
| HSL | hsl(305, 28%, 60%) |
| OKLCH | oklch(66.1% 0.1 329.7) |
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 #B57CB0 | 3.24:1 | AA large text | Lc -65.0 | Content text, not long reading |
| Black text on #B57CB0 | 6.47:1 | AA | Lc 44.5 | Non-text elements, placeholder text |
| #B57CB0 text on white | 3.24:1 | AA large text | Lc 59.6 | Large or bold text, headings |
| #B57CB0 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
#F0E7EE
oklch(93.7% 0.013 333)
-
Step 200
200
#E4D3E2
oklch(88.5% 0.027 329.5)
-
Step 300
300
#D3B6D0
oklch(80.9% 0.048 329.3)
-
Step 400
400
#BD8FB8
oklch(70.7% 0.079 330.1)
-
Step 500
500 (this color)
#B57CB0
oklch(66.1% 0.1 329.7)
-
Step 600
600
#965B92
oklch(55.7% 0.108 329.3)
-
Step 700
700
#804A7C
oklch(49.1% 0.101 329.7)
-
Step 800
800
#683D65
oklch(42.7% 0.084 329.4)
-
Step 900
900
#553452
oklch(37.6% 0.066 330)
-
Step 950
950
#321F30
oklch(27.1% 0.041 330.4)
#B57CB0 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) | #7A8AB2 | 0.093 |
| Deuteranopia (no green cones) | #8792AE | 0.087 |
| Tritanopia (no blue cones) | #B9808F | 0.054 |
| Achromatopsia (no color) | #8F8F8F | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B57CB0
#B57CB0
oklch(66.1% 0.1 329.7)
- #64A471
#64A471
oklch(66.2% 0.1 149.5)
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 #B57CB0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Lavender #AC86A8 ΔE 0.034
- Wisteria #A87DC2 ΔE 0.034
- Heather #A484AC ΔE 0.035
- Soft Purple #A66FB5 ΔE 0.046
- Dark Lilac #9C6DA5 ΔE 0.060
- Pale Purple #B790D4 ΔE 0.063
- Muted Pink #D1768F ΔE 0.065
- Dusky Pink #CC7A8B ΔE 0.066
Use #B57CB0 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.