#AAB1CF
Closest named color: Light Grey Blue (#9DBCD4). oklch(76.5% 0.044 275), rgb(170, 177, 207).
Aa
Black text reads best on this color (9.89:1).
About this color
#AAB1CF is a medium-light, muted blue. In OKLCH its lightness is 76%, its chroma 0.044 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.031 away. Black text reads best on it, at 9.89:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.89:1 |
| White text | 2.12:1 |
Values
| HEX | #AAB1CF |
| RGB | rgb(170, 177, 207) |
| HSL | hsl(229, 28%, 74%) |
| OKLCH | oklch(76.5% 0.044 275) |
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 #AAB1CF | 2.12:1 | Fails | Lc -46.2 | Large or bold text, headings |
| Black text on #AAB1CF | 9.89:1 | AAA | Lc 62.3 | Content text, not long reading |
| #AAB1CF text on white | 2.12:1 | Fails | Lc 41.6 | Non-text elements, placeholder text |
| #AAB1CF text on black | 9.89:1 | AAA | Lc -60.6 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7E9F3
oklch(93.5% 0.014 277.1)
-
Step 200
200
#D4D8EA
oklch(88.5% 0.025 275.9)
-
Step 300
300 (this color)
#AAB1CF
oklch(76.5% 0.044 275)
-
Step 400
400
#939ECD
oklch(70.8% 0.07 274.3)
-
Step 500
500
#7A85C0
oklch(63.1% 0.09 275.4)
-
Step 600
600
#636EAC
oklch(55.6% 0.097 275.1)
-
Step 700
700
#525C94
oklch(49.2% 0.09 274.9)
-
Step 800
800
#434B78
oklch(42.7% 0.075 275.1)
-
Step 900
900
#383F60
oklch(37.7% 0.057 274.2)
-
Step 950
950
#212538
oklch(27% 0.036 274.6)
#AAB1CF 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) | #A9B4D0 | 0.008 |
| Deuteranopia (no green cones) | #A6B1CE | 0.006 |
| Tritanopia (no blue cones) | #A2B6BB | 0.038 |
| Achromatopsia (no color) | #B2B2B2 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAB1CF
#AAB1CF
oklch(76.5% 0.044 275)
- #BBB394
#BBB394
oklch(76.5% 0.043 95.2)
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 #AAB1CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.031
- French Gray #ADB5BD ΔE 0.032
- Light Cornflower Blue #98C1D9 ΔE 0.044
- Cloudy Blue #ACC2D9 ΔE 0.044
- Light Steel Blue #B0C4DE ΔE 0.051
- Cool Steel #97A7B3 ΔE 0.053
- Dark Gray #A9A9A9 ΔE 0.053
- Silver #C0C0C0 ΔE 0.061
Use #AAB1CF 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.