#AAB4EF
Closest named color: Pastel Blue (#A2BFFE). oklch(78.3% 0.085 276.8), rgb(170, 180, 239).
Aa
Black text reads best on this color (10.48:1).
About this color
#AAB4EF is a light, moderately saturated blue. In OKLCH its lightness is 78%, its chroma 0.085 and its hue 277°. 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 10.48:1.
| Hue family | Blues |
| Lightness | light (78%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 10.48:1 |
| White text | 2.00:1 |
Values
| HEX | #AAB4EF |
| RGB | rgb(170, 180, 239) |
| HSL | hsl(231, 68%, 80%) |
| OKLCH | oklch(78.3% 0.085 276.8) |
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 #AAB4EF | 2.00:1 | Fails | Lc -43.2 | Non-text elements, placeholder text |
| Black text on #AAB4EF | 10.48:1 | AAA | Lc 65.1 | Content text, not long reading |
| #AAB4EF text on white | 2.00:1 | Fails | Lc 38.8 | Non-text elements, placeholder text |
| #AAB4EF text on black | 10.48:1 | AAA | Lc -63.6 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FB
oklch(93.6% 0.025 275.9)
-
Step 200
200
#D1D7F9
oklch(88.5% 0.047 277.5)
-
Step 300
300 (this color)
#AAB4EF
oklch(78.3% 0.085 276.8)
-
Step 400
400
#8B97F4
oklch(70.6% 0.136 276.7)
-
Step 500
500
#717AF0
oklch(63% 0.174 276.9)
-
Step 600
600
#5C60DE
oklch(55.6% 0.188 277)
-
Step 700
700
#4C4EC1
oklch(49% 0.176 277)
-
Step 800
800
#3E419C
oklch(42.7% 0.145 276.9)
-
Step 900
900
#34387C
oklch(37.6% 0.113 276.9)
-
Step 950
950
#1E2249
oklch(27.1% 0.072 276.1)
#AAB4EF 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) | #A3BAF2 | 0.017 |
| Deuteranopia (no green cones) | #9EB5EE | 0.016 |
| Tritanopia (no blue cones) | #98BFC8 | 0.076 |
| Achromatopsia (no color) | #B7B7B7 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAB4EF
#AAB4EF
oklch(78.3% 0.085 276.8)
- #C8B979
#C8B979
oklch(78.4% 0.085 96.6)
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 #AAB4EF, 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 0.042
- Light Grey Blue #9DBCD4 ΔE 0.053
- Pale Violet #CEAEFA ΔE 0.056
- Cloudy Blue #ACC2D9 ΔE 0.057
- Light Steel Blue #B0C4DE ΔE 0.057
- Light Cornflower Blue #98C1D9 ΔE 0.058
- Light Periwinkle #C1C6FC ΔE 0.059
Use #AAB4EF 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.