#AAB9EC
Closest named color: Pastel Blue (#A2BFFE). oklch(79.2% 0.075 271.9), rgb(170, 185, 236).
Aa
Black text reads best on this color (10.86:1).
About this color
#AAB9EC is a light, moderately saturated blue. In OKLCH its lightness is 79%, its chroma 0.075 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.027 away. Black text reads best on it, at 10.86:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 10.86:1 |
| White text | 1.93:1 |
Values
| HEX | #AAB9EC |
| RGB | rgb(170, 185, 236) |
| HSL | hsl(226, 63%, 80%) |
| OKLCH | oklch(79.2% 0.075 271.9) |
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 #AAB9EC | 1.93:1 | Fails | Lc -41.4 | Non-text elements, placeholder text |
| Black text on #AAB9EC | 10.86:1 | AAA | Lc 66.9 | Content text, not long reading |
| #AAB9EC text on white | 1.93:1 | Fails | Lc 37.0 | Non-text elements, placeholder text |
| #AAB9EC text on black | 10.86:1 | AAA | Lc -65.4 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4E9F9
oklch(93.5% 0.022 272.1)
-
Step 200
200
#CFD8F5
oklch(88.4% 0.041 271.9)
-
Step 300
300 (this color)
#AAB9EC
oklch(79.2% 0.075 271.9)
-
Step 400
400
#869BEB
oklch(70.6% 0.12 271.8)
-
Step 500
500
#6A80E5
oklch(63% 0.153 272.1)
-
Step 600
600
#5367D3
oklch(55.5% 0.167 272)
-
Step 700
700
#4455B7
oklch(49.1% 0.155 272)
-
Step 800
800
#384694
oklch(42.7% 0.128 272.2)
-
Step 900
900
#303C76
oklch(37.8% 0.1 272)
-
Step 950
950
#1C2345
oklch(26.9% 0.064 272.7)
#AAB9EC 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) | #AABDEE | 0.010 |
| Deuteranopia (no green cones) | #A5B8EB | 0.007 |
| Tritanopia (no blue cones) | #99C3CA | 0.068 |
| Achromatopsia (no color) | #BABABA | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAB9EC
#AAB9EC
oklch(79.2% 0.075 271.9)
- #CCBA84
#CCBA84
oklch(79.1% 0.074 91.8)
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 #AAB9EC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.027
- Light Steel Blue #B0C4DE ΔE 0.042
- Cloudy Blue #ACC2D9 ΔE 0.042
- Light Grey Blue #9DBCD4 ΔE 0.043
- Carolina Blue #8AB8FE ΔE 0.046
- Light Cornflower Blue #98C1D9 ΔE 0.046
- Light Periwinkle #C1C6FC ΔE 0.050
- Light Blue Grey #B7C9E2 ΔE 0.053
Use #AAB9EC 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.