#B5B9DF
Closest named color: Cloudy Blue (#ACC2D9). oklch(79.5% 0.054 280.4), rgb(181, 185, 223).
Aa
Black text reads best on this color (10.96:1).
About this color
#B5B9DF is a light, muted purple. In OKLCH its lightness is 80%, its chroma 0.054 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.030 away. Black text reads best on it, at 10.96:1.
| Hue family | Purples |
| Lightness | light (80%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 10.96:1 |
| White text | 1.91:1 |
Values
| HEX | #B5B9DF |
| RGB | rgb(181, 185, 223) |
| HSL | hsl(234, 40%, 79%) |
| OKLCH | oklch(79.5% 0.054 280.4) |
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 #B5B9DF | 1.91:1 | Fails | Lc -40.9 | Non-text elements, placeholder text |
| Black text on #B5B9DF | 10.96:1 | AAA | Lc 67.3 | Content text, not long reading |
| #B5B9DF text on white | 1.91:1 | Fails | Lc 36.6 | Non-text elements, placeholder text |
| #B5B9DF text on black | 10.96:1 | AAA | Lc -65.9 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F4
oklch(93.6% 0.015 277.8)
-
Step 200
200
#D5D7ED
oklch(88.4% 0.03 281.6)
-
Step 300
300 (this color)
#B5B9DF
oklch(79.5% 0.054 280.4)
-
Step 400
400
#969BD6
oklch(70.8% 0.086 280.2)
-
Step 500
500
#7D81CB
oklch(63.1% 0.111 280.4)
-
Step 600
600
#6769B7
oklch(55.5% 0.12 280.6)
-
Step 700
700
#56579E
oklch(49% 0.112 280.8)
-
Step 800
800
#464880
oklch(42.7% 0.092 280.2)
-
Step 900
900
#3B3D67
oklch(37.9% 0.071 280.3)
-
Step 950
950
#22243C
oklch(27.1% 0.045 279.3)
#B5B9DF 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) | #AFBDE1 | 0.012 |
| Deuteranopia (no green cones) | #ADBADE | 0.011 |
| Tritanopia (no blue cones) | #ACC0C6 | 0.048 |
| Achromatopsia (no color) | #BBBBBB | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5B9DF
#B5B9DF
oklch(79.5% 0.054 280.4)
- #C4BE96
#C4BE96
oklch(79.6% 0.054 100.4)
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 #B5B9DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.030
- Light Steel Blue #B0C4DE ΔE 0.030
- Light Grey Blue #9DBCD4 ΔE 0.037
- Light Blue Grey #B7C9E2 ΔE 0.042
- Light Cornflower Blue #98C1D9 ΔE 0.043
- Pastel Blue #A2BFFE ΔE 0.047
- French Gray #ADB5BD ΔE 0.050
- Light Periwinkle #C1C6FC ΔE 0.051
Use #B5B9DF 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.