#AAB1DB
Closest named color: Light Grey Blue (#9DBCD4). oklch(76.9% 0.061 277.5), rgb(170, 177, 219).
Aa
Black text reads best on this color (10.02:1).
About this color
#AAB1DB is a medium-light, muted blue. In OKLCH its lightness is 77%, its chroma 0.061 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.037 away. Black text reads best on it, at 10.02:1.
| Hue family | Blues |
| Lightness | medium-light (77%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.02:1 |
| White text | 2.09:1 |
Values
| HEX | #AAB1DB |
| RGB | rgb(170, 177, 219) |
| HSL | hsl(231, 40%, 76%) |
| OKLCH | oklch(76.9% 0.061 277.5) |
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 #AAB1DB | 2.09:1 | Fails | Lc -45.6 | Large or bold text, headings |
| Black text on #AAB1DB | 10.02:1 | AAA | Lc 62.9 | Content text, not long reading |
| #AAB1DB text on white | 2.09:1 | Fails | Lc 41.0 | Non-text elements, placeholder text |
| #AAB1DB text on black | 10.02:1 | AAA | Lc -61.3 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F6
oklch(93.6% 0.018 279.1)
-
Step 200
200
#D3D8F0
oklch(88.6% 0.033 276.3)
-
Step 300
300 (this color)
#AAB1DB
oklch(76.9% 0.061 277.5)
-
Step 400
400
#929BDD
oklch(70.8% 0.097 277.6)
-
Step 500
500
#7881D3
oklch(63.1% 0.123 277.5)
-
Step 600
600
#6169C0
oklch(55.6% 0.134 277.2)
-
Step 700
700
#5157A6
oklch(49.1% 0.125 277.5)
-
Step 800
800
#424786
oklch(42.6% 0.103 277.6)
-
Step 900
900
#383C6C
oklch(37.7% 0.082 278.1)
-
Step 950
950
#20243F
oklch(27.1% 0.05 276.1)
#AAB1DB 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) | #A6B5DD | 0.011 |
| Deuteranopia (no green cones) | #A3B1DA | 0.010 |
| Tritanopia (no blue cones) | #9FB9BF | 0.055 |
| Achromatopsia (no color) | #B3B3B3 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAB1DB
#AAB1DB
oklch(76.9% 0.061 277.5)
- #BEB589
#BEB589
oklch(77% 0.06 97.9)
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 #AAB1DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.037
- Cloudy Blue #ACC2D9 ΔE 0.047
- Light Cornflower Blue #98C1D9 ΔE 0.048
- French Gray #ADB5BD ΔE 0.048
- Light Steel Blue #B0C4DE ΔE 0.052
- Pastel Blue #A2BFFE ΔE 0.053
- Carolina Blue #8AB8FE ΔE 0.059
- Cool Steel #97A7B3 ΔE 0.066
Use #AAB1DB 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.