#AAB9DB
Closest named color: Light Grey Blue (#9DBCD4). oklch(78.6% 0.051 266.4), rgb(170, 185, 219).
Aa
Black text reads best on this color (10.67:1).
About this color
#AAB9DB is a light, muted blue. In OKLCH its lightness is 79%, its chroma 0.051 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.022 away. Black text reads best on it, at 10.67:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.67:1 |
| White text | 1.96:1 |
Values
| HEX | #AAB9DB |
| RGB | rgb(170, 185, 219) |
| HSL | hsl(222, 40%, 76%) |
| OKLCH | oklch(78.6% 0.051 266.4) |
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 #AAB9DB | 1.96:1 | Fails | Lc -42.3 | Non-text elements, placeholder text |
| Black text on #AAB9DB | 10.67:1 | AAA | Lc 66.0 | Content text, not long reading |
| #AAB9DB text on white | 1.96:1 | Fails | Lc 37.9 | Non-text elements, placeholder text |
| #AAB9DB text on black | 10.67:1 | AAA | Lc -64.5 | 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
#D0D9ED
oklch(88.5% 0.029 266.4)
-
Step 300
300 (this color)
#AAB9DB
oklch(78.6% 0.051 266.4)
-
Step 400
400
#89A0D5
oklch(70.8% 0.082 266.2)
-
Step 500
500
#6C87C9
oklch(63% 0.105 266.5)
-
Step 600
600
#5470B6
oklch(55.6% 0.114 266.3)
-
Step 700
700
#455D9D
oklch(49% 0.107 266.9)
-
Step 800
800
#394D7F
oklch(42.8% 0.087 266.3)
-
Step 900
900
#314066
oklch(37.7% 0.068 266.8)
-
Step 950
950
#1D263C
oklch(27.1% 0.043 266.6)
#AAB9DB 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) | #AFBBDD | 0.009 |
| Deuteranopia (no green cones) | #AAB7DA | 0.005 |
| Tritanopia (no blue cones) | #9EC0C4 | 0.047 |
| Achromatopsia (no color) | #B9B9B9 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAB9DB
#AAB9DB
oklch(78.6% 0.051 266.4)
- #C8B894
#C8B894
oklch(78.7% 0.052 86.9)
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 #AAB9DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.022
- Cloudy Blue #ACC2D9 ΔE 0.026
- Light Cornflower Blue #98C1D9 ΔE 0.030
- Light Steel Blue #B0C4DE ΔE 0.031
- French Gray #ADB5BD ΔE 0.041
- Light Blue Grey #B7C9E2 ΔE 0.047
- Pastel Blue #A2BFFE ΔE 0.049
- Silver #C0C0C0 ΔE 0.056
Use #AAB9DB 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.