#B0B4DB
Closest named color: Light Grey Blue (#9DBCD4). oklch(78% 0.056 280.4), rgb(176, 180, 219).
Aa
Black text reads best on this color (10.39:1).
About this color
#B0B4DB is a medium-light, muted purple. In OKLCH its lightness is 78%, its chroma 0.056 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.035 away. Black text reads best on it, at 10.39:1.
| Hue family | Purples |
| Lightness | medium-light (78%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.39:1 |
| White text | 2.01:1 |
Values
| HEX | #B0B4DB |
| RGB | rgb(176, 180, 219) |
| HSL | hsl(234, 37%, 77%) |
| OKLCH | oklch(78% 0.056 280.4) |
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 #B0B4DB | 2.01:1 | Fails | Lc -43.7 | Non-text elements, placeholder text |
| Black text on #B0B4DB | 10.39:1 | AAA | Lc 64.7 | Content text, not long reading |
| #B0B4DB text on white | 2.01:1 | Fails | Lc 39.2 | Non-text elements, placeholder text |
| #B0B4DB text on black | 10.39:1 | AAA | Lc -63.1 | 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
#E7E9F5
oklch(93.6% 0.016 278.5)
-
Step 200
200
#D5D7EE
oklch(88.5% 0.032 281.8)
-
Step 300
300 (this color)
#B0B4DB
oklch(78% 0.056 280.4)
-
Step 400
400
#969BD7
oklch(70.8% 0.088 280.2)
-
Step 500
500
#7D81CD
oklch(63.2% 0.114 280.3)
-
Step 600
600
#6769BA
oklch(55.7% 0.124 280.5)
-
Step 700
700
#5657A0
oklch(49.1% 0.115 280.7)
-
Step 800
800
#464782
oklch(42.6% 0.096 280.8)
-
Step 900
900
#3A3C68
oklch(37.6% 0.075 280.2)
-
Step 950
950
#22243D
oklch(27.1% 0.046 279.3)
#B0B4DB 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) | #AAB8DD | 0.012 |
| Deuteranopia (no green cones) | #A8B5DA | 0.011 |
| Tritanopia (no blue cones) | #A6BBC1 | 0.050 |
| Achromatopsia (no color) | #B6B6B6 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B0B4DB
#B0B4DB
oklch(78% 0.056 280.4)
- #BFB990
#BFB990
oklch(78% 0.056 100.6)
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 #B0B4DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.035
- Cloudy Blue #ACC2D9 ΔE 0.039
- Light Steel Blue #B0C4DE ΔE 0.042
- Light Cornflower Blue #98C1D9 ΔE 0.045
- French Gray #ADB5BD ΔE 0.045
- Pastel Blue #A2BFFE ΔE 0.051
- Light Blue Grey #B7C9E2 ΔE 0.056
- Silver #C0C0C0 ΔE 0.062
Use #B0B4DB 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.