#AAB3DB
Closest named color: Light Grey Blue (#9DBCD4). oklch(77.3% 0.058 275), rgb(170, 179, 219).
Aa
Black text reads best on this color (10.18:1).
About this color
#AAB3DB is a medium-light, muted blue. In OKLCH its lightness is 77%, its chroma 0.058 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.033 away. Black text reads best on it, at 10.18:1.
| Hue family | Blues |
| Lightness | medium-light (77%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.18:1 |
| White text | 2.06:1 |
Values
| HEX | #AAB3DB |
| RGB | rgb(170, 179, 219) |
| HSL | hsl(229, 40%, 76%) |
| OKLCH | oklch(77.3% 0.058 275) |
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 #AAB3DB | 2.06:1 | Fails | Lc -44.8 | Non-text elements, placeholder text |
| Black text on #AAB3DB | 10.18:1 | AAA | Lc 63.7 | Content text, not long reading |
| #AAB3DB text on white | 2.06:1 | Fails | Lc 40.2 | Non-text elements, placeholder text |
| #AAB3DB text on black | 10.18:1 | AAA | Lc -62.1 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E6E9F5
oklch(93.5% 0.016 274.8)
-
Step 200
200
#D2D8EF
oklch(88.5% 0.032 274.1)
-
Step 300
300 (this color)
#AAB3DB
oklch(77.3% 0.058 275)
-
Step 400
400
#8F9CDB
oklch(70.7% 0.094 274.8)
-
Step 500
500
#7582D1
oklch(63% 0.12 275.3)
-
Step 600
600
#5E6BBE
oklch(55.7% 0.129 274.7)
-
Step 700
700
#4E59A4
oklch(49.2% 0.12 274.8)
-
Step 800
800
#404985
oklch(42.8% 0.099 275)
-
Step 900
900
#363D6A
oklch(37.6% 0.077 275.4)
-
Step 950
950
#20243E
oklch(27% 0.049 276)
#AAB3DB 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) | #A8B7DD | 0.010 |
| Deuteranopia (no green cones) | #A5B3DA | 0.007 |
| Tritanopia (no blue cones) | #9EBAC0 | 0.052 |
| Achromatopsia (no color) | #B4B4B4 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAB3DB
#AAB3DB
oklch(77.3% 0.058 275)
- #C1B58B
#C1B58B
oklch(77.3% 0.058 94)
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 #AAB3DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.033
- Cloudy Blue #ACC2D9 ΔE 0.042
- Light Cornflower Blue #98C1D9 ΔE 0.043
- French Gray #ADB5BD ΔE 0.046
- Light Steel Blue #B0C4DE ΔE 0.046
- Pastel Blue #A2BFFE ΔE 0.051
- Carolina Blue #8AB8FE ΔE 0.059
- Light Blue Grey #B7C9E2 ΔE 0.062
Use #AAB3DB 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.