#AAB9DA
Closest named color: Light Grey Blue (#9DBCD4). oklch(78.5% 0.05 265.9), rgb(170, 185, 218).
Aa
Black text reads best on this color (10.66:1).
About this color
#AAB9DA is a light, muted blue. In OKLCH its lightness is 79%, its chroma 0.050 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.021 away. Black text reads best on it, at 10.66:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.66:1 |
| White text | 1.96:1 |
Values
| HEX | #AAB9DA |
| RGB | rgb(170, 185, 218) |
| HSL | hsl(221, 39%, 76%) |
| OKLCH | oklch(78.5% 0.05 265.9) |
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 #AAB9DA | 1.96:1 | Fails | Lc -42.4 | Non-text elements, placeholder text |
| Black text on #AAB9DA | 10.66:1 | AAA | Lc 65.9 | Content text, not long reading |
| #AAB9DA text on white | 1.96:1 | Fails | Lc 38.0 | Non-text elements, placeholder text |
| #AAB9DA text on black | 10.66:1 | AAA | Lc -64.4 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF4
oklch(93.6% 0.015 264.5)
-
Step 200
200
#D0D9EC
oklch(88.4% 0.028 265.4)
-
Step 300
300 (this color)
#AAB9DA
oklch(78.5% 0.05 265.9)
-
Step 400
400
#89A0D3
oklch(70.7% 0.079 265.6)
-
Step 500
500
#6C88C8
oklch(63.2% 0.102 265.6)
-
Step 600
600
#5470B4
oklch(55.5% 0.111 266)
-
Step 700
700
#455E9B
oklch(49.1% 0.103 265.9)
-
Step 800
800
#394D7E
oklch(42.8% 0.085 266.1)
-
Step 900
900
#314065
oklch(37.6% 0.067 266.5)
-
Step 950
950
#1D263B
oklch(27.1% 0.041 266)
#AAB9DA 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) | #AFBBDC | 0.009 |
| Deuteranopia (no green cones) | #ABB7D9 | 0.005 |
| Tritanopia (no blue cones) | #9EBFC4 | 0.044 |
| Achromatopsia (no color) | #B9B9B9 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAB9DA
#AAB9DA
oklch(78.5% 0.05 265.9)
- #C7B795
#C7B795
oklch(78.4% 0.05 85.7)
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 #AAB9DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.021
- Cloudy Blue #ACC2D9 ΔE 0.025
- Light Cornflower Blue #98C1D9 ΔE 0.030
- Light Steel Blue #B0C4DE ΔE 0.031
- French Gray #ADB5BD ΔE 0.040
- Light Blue Grey #B7C9E2 ΔE 0.047
- Pastel Blue #A2BFFE ΔE 0.050
- Silver #C0C0C0 ΔE 0.055
Use #AAB9DA 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.