#B9B9DB
Closest named color: Cloudy Blue (#ACC2D9). oklch(79.7% 0.048 285.3), rgb(185, 185, 219).
Aa
Black text reads best on this color (11.02:1).
About this color
#B9B9DB is a light, muted purple. In OKLCH its lightness is 80%, its chroma 0.048 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.029 away. Black text reads best on it, at 11.02:1.
| Hue family | Purples |
| Lightness | light (80%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.02:1 |
| White text | 1.90:1 |
Values
| HEX | #B9B9DB |
| RGB | rgb(185, 185, 219) |
| HSL | hsl(240, 32%, 79%) |
| OKLCH | oklch(79.7% 0.048 285.3) |
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 #B9B9DB | 1.90:1 | Fails | Lc -40.6 | Non-text elements, placeholder text |
| Black text on #B9B9DB | 11.02:1 | AAA | Lc 67.6 | Content text, not long reading |
| #B9B9DB text on white | 1.90:1 | Fails | Lc 36.3 | Non-text elements, placeholder text |
| #B9B9DB text on black | 11.02:1 | AAA | Lc -66.2 | Content text, not long reading |
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 300.
-
Step 50
50
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E9F3
oklch(93.7% 0.013 286.1)
-
Step 200
200
#D7D7EB
oklch(88.5% 0.027 285.8)
-
Step 300
300 (this color)
#B9B9DB
oklch(79.7% 0.048 285.3)
-
Step 400
400
#9B9ACF
oklch(70.6% 0.077 285.1)
-
Step 500
500
#8481C2
oklch(63.2% 0.097 285.4)
-
Step 600
600
#6E69AF
oklch(55.6% 0.107 285.6)
-
Step 700
700
#5C5796
oklch(49% 0.099 285.7)
-
Step 800
800
#4B487A
oklch(42.8% 0.082 285.1)
-
Step 900
900
#3E3C62
oklch(37.6% 0.064 285.3)
-
Step 950
950
#242339
oklch(26.8% 0.041 285.4)
#B9B9DB 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) | #B1BDDD | 0.014 |
| Deuteranopia (no green cones) | #B0BBDA | 0.013 |
| Tritanopia (no blue cones) | #B2BFC4 | 0.043 |
| Achromatopsia (no color) | #BCBCBC | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B9B9DB
#B9B9DB
oklch(79.7% 0.048 285.3)
- #C1BF9C
#C1BF9C
oklch(79.7% 0.048 104.7)
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 #B9B9DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.029
- Light Steel Blue #B0C4DE ΔE 0.029
- Light Grey Blue #9DBCD4 ΔE 0.039
- Light Blue Grey #B7C9E2 ΔE 0.041
- Light Cornflower Blue #98C1D9 ΔE 0.046
- French Gray #ADB5BD ΔE 0.046
- Thistle #D8BFD8 ΔE 0.049
- Silver #C0C0C0 ΔE 0.049
Use #B9B9DB 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.