#AAB5EC
Closest named color: Pastel Blue (#A2BFFE). oklch(78.4% 0.079 275.6), rgb(170, 181, 236).
Aa
Black text reads best on this color (10.52:1).
About this color
#AAB5EC is a light, moderately saturated blue. In OKLCH its lightness is 78%, its chroma 0.079 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.031 away. Black text reads best on it, at 10.52:1.
| Hue family | Blues |
| Lightness | light (78%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 10.52:1 |
| White text | 1.99:1 |
Values
| HEX | #AAB5EC |
| RGB | rgb(170, 181, 236) |
| HSL | hsl(230, 63%, 80%) |
| OKLCH | oklch(78.4% 0.079 275.6) |
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 #AAB5EC | 1.99:1 | Fails | Lc -43.0 | Non-text elements, placeholder text |
| Black text on #AAB5EC | 10.52:1 | AAA | Lc 65.3 | Content text, not long reading |
| #AAB5EC text on white | 1.99:1 | Fails | Lc 38.6 | Non-text elements, placeholder text |
| #AAB5EC text on black | 10.52:1 | AAA | Lc -63.8 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FA
oklch(93.6% 0.023 275.4)
-
Step 200
200
#D0D7F7
oklch(88.4% 0.045 275.7)
-
Step 300
300 (this color)
#AAB5EC
oklch(78.4% 0.079 275.6)
-
Step 400
400
#8B99EF
oklch(70.7% 0.127 275.7)
-
Step 500
500
#707DEA
oklch(63.1% 0.163 275.6)
-
Step 600
600
#5A63D8
oklch(55.6% 0.177 275.7)
-
Step 700
700
#4A51BB
oklch(49% 0.164 275.7)
-
Step 800
800
#3D4398
oklch(42.7% 0.137 275.9)
-
Step 900
900
#333A79
oklch(37.8% 0.106 275.3)
-
Step 950
950
#1E2247
oklch(27% 0.068 276.2)
#AAB5EC 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) | #A5BAEE | 0.013 |
| Deuteranopia (no green cones) | #A1B5EB | 0.012 |
| Tritanopia (no blue cones) | #99BFC8 | 0.070 |
| Achromatopsia (no color) | #B8B8B8 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAB5EC
#AAB5EC
oklch(78.4% 0.079 275.6)
- #C8B97E
#C8B97E
oklch(78.4% 0.079 95.6)
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 #AAB5EC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.031
- Carolina Blue #8AB8FE ΔE 0.044
- Light Grey Blue #9DBCD4 ΔE 0.048
- Cloudy Blue #ACC2D9 ΔE 0.051
- Light Steel Blue #B0C4DE ΔE 0.051
- Light Cornflower Blue #98C1D9 ΔE 0.053
- Light Periwinkle #C1C6FC ΔE 0.058
- Pale Violet #CEAEFA ΔE 0.058
Use #AAB5EC 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.