#AAB9CC
Closest named color: Light Grey Blue (#9DBCD4). oklch(78% 0.032 254.4), rgb(170, 185, 204).
Aa
Black text reads best on this color (10.52:1).
About this color
#AAB9CC is a light, muted blue. In OKLCH its lightness is 78%, its chroma 0.032 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.018 away. Black text reads best on it, at 10.52:1.
| Hue family | Blues |
| Lightness | light (78%) |
| Chroma | muted (0.032) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.52:1 |
| White text | 1.99:1 |
Values
| HEX | #AAB9CC |
| RGB | rgb(170, 185, 204) |
| HSL | hsl(214, 25%, 73%) |
| OKLCH | oklch(78% 0.032 254.4) |
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 #AAB9CC | 1.99:1 | Fails | Lc -43.1 | Non-text elements, placeholder text |
| Black text on #AAB9CC | 10.52:1 | AAA | Lc 65.3 | Content text, not long reading |
| #AAB9CC text on white | 1.99:1 | Fails | Lc 38.6 | Non-text elements, placeholder text |
| #AAB9CC text on black | 10.52:1 | AAA | Lc -63.7 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D1DAE5
oklch(88.5% 0.018 253.4)
-
Step 300
300 (this color)
#AAB9CC
oklch(78% 0.032 254.4)
-
Step 400
400
#8BA3C0
oklch(70.7% 0.05 253.3)
-
Step 500
500
#6E8CB1
oklch(63.1% 0.066 254)
-
Step 600
600
#56759C
oklch(55.5% 0.071 254.5)
-
Step 700
700
#466386
oklch(49.2% 0.066 253.7)
-
Step 800
800
#3A516C
oklch(42.8% 0.053 253)
-
Step 900
900
#324358
oklch(37.7% 0.042 254.1)
-
Step 950
950
#1D2733
oklch(26.9% 0.027 253.3)
#AAB9CC 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) | #B3B9CD | 0.012 |
| Deuteranopia (no green cones) | #AFB6CC | 0.010 |
| Tritanopia (no blue cones) | #A2BDBF | 0.027 |
| Achromatopsia (no color) | #B7B7B7 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAB9CC
#AAB9CC
oklch(78% 0.032 254.4)
- #C4B5A2
#C4B5A2
oklch(78.1% 0.031 73.8)
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 #AAB9CC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.018
- French Gray #ADB5BD ΔE 0.021
- Cloudy Blue #ACC2D9 ΔE 0.026
- Light Cornflower Blue #98C1D9 ΔE 0.029
- Light Steel Blue #B0C4DE ΔE 0.035
- Silver #C0C0C0 ΔE 0.042
- Light Blue Grey #B7C9E2 ΔE 0.051
- Dark Gray #A9A9A9 ΔE 0.055
Use #AAB9CC 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.