#B581B0
Closest named color: Dusty Lavender (#AC86A8). oklch(67% 0.09 329.8), rgb(181, 129, 176).
Aa
Black text reads best on this color (6.73:1).
About this color
#B581B0 is a medium-light, moderately saturated purple. In OKLCH its lightness is 67%, its chroma 0.090 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 0.024 away. Black text reads best on it, at 6.73:1.
| Hue family | Purples |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.090) |
| Temperature | in between |
| Nearest name | Dusty Lavender (#AC86A8) |
| Black text | 6.73:1 |
| White text | 3.11:1 |
Values
| HEX | #B581B0 |
| RGB | rgb(181, 129, 176) |
| HSL | hsl(306, 26%, 61%) |
| OKLCH | oklch(67% 0.09 329.8) |
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 #B581B0 | 3.11:1 | AA large text | Lc -63.5 | Content text, not long reading |
| Black text on #B581B0 | 6.73:1 | AA | Lc 45.9 | Large or bold text, headings |
| #B581B0 text on white | 3.11:1 | AA large text | Lc 58.1 | Large or bold text, headings |
| #B581B0 text on black | 6.73:1 | AA | Lc -43.6 | 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 400.
-
Step 50
50
#F8F4F8
oklch(97.1% 0.007 325.6)
-
Step 100
100
#F0E6EF
oklch(93.5% 0.016 328.8)
-
Step 200
200
#E6D2E3
oklch(88.5% 0.032 330.7)
-
Step 300
300
#D6B4D2
oklch(80.9% 0.056 329.9)
-
Step 400
400 (this color)
#B581B0
oklch(67% 0.09 329.8)
-
Step 500
500
#B06FAB
oklch(63.2% 0.115 329.6)
-
Step 600
600
#9B5696
oklch(55.6% 0.124 329.8)
-
Step 700
700
#844580
oklch(49% 0.117 329.6)
-
Step 800
800
#6C3968
oklch(42.7% 0.098 330)
-
Step 900
900
#583255
oklch(37.8% 0.076 329.8)
-
Step 950
950
#331D32
oklch(26.9% 0.049 328.4)
#B581B0 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) | #7F8EB2 | 0.085 |
| Deuteranopia (no green cones) | #8B94AE | 0.078 |
| Tritanopia (no blue cones) | #B98492 | 0.049 |
| Achromatopsia (no color) | #929292 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B581B0
#B581B0
oklch(67% 0.09 329.8)
- #6CA578
#6CA578
oklch(67% 0.089 150.1)
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 #B581B0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Lavender #AC86A8 ΔE 0.024
- Heather #A484AC ΔE 0.029
- Wisteria #A87DC2 ΔE 0.039
- Pale Purple #B790D4 ΔE 0.057
- Soft Purple #A66FB5 ΔE 0.057
- Light Mauve #C292A1 ΔE 0.061
- Dusky Pink #CC7A8B ΔE 0.063
- Grey Pink #C3909B ΔE 0.063
Use #B581B0 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.