#AAB4EB
Closest named color: Pastel Blue (#A2BFFE). oklch(78.2% 0.079 276.4), rgb(170, 180, 235).
Aa
Black text reads best on this color (10.43:1).
About this color
#AAB4EB 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 0.034 away. Black text reads best on it, at 10.43:1.
| Hue family | Blues |
| Lightness | light (78%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 10.43:1 |
| White text | 2.01:1 |
Values
| HEX | #AAB4EB |
| RGB | rgb(170, 180, 235) |
| HSL | hsl(231, 62%, 79%) |
| OKLCH | oklch(78.2% 0.079 276.4) |
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 #AAB4EB | 2.01:1 | Fails | Lc -43.5 | Non-text elements, placeholder text |
| Black text on #AAB4EB | 10.43:1 | AAA | Lc 64.9 | Content text, not long reading |
| #AAB4EB text on white | 2.01:1 | Fails | Lc 39.0 | Non-text elements, placeholder text |
| #AAB4EB text on black | 10.43:1 | AAA | Lc -63.3 | 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
#D1D7F7
oklch(88.5% 0.044 277.1)
-
Step 300
300 (this color)
#AAB4EB
oklch(78.2% 0.079 276.4)
-
Step 400
400
#8C98EF
oklch(70.6% 0.128 276.6)
-
Step 500
500
#727CE9
oklch(63% 0.162 276.7)
-
Step 600
600
#5C63D8
oklch(55.7% 0.176 276.5)
-
Step 700
700
#4C51BB
oklch(49.1% 0.164 276.5)
-
Step 800
800
#3E4397
oklch(42.7% 0.135 276.5)
-
Step 900
900
#343A78
oklch(37.8% 0.104 276)
-
Step 950
950
#1E2246
oklch(26.9% 0.066 276.2)
#AAB4EB 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) | #A4B9ED | 0.014 |
| Deuteranopia (no green cones) | #A0B4EA | 0.013 |
| Tritanopia (no blue cones) | #9ABEC7 | 0.070 |
| Achromatopsia (no color) | #B7B7B7 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAB4EB
#AAB4EB
oklch(78.2% 0.079 276.4)
- #C6B87D
#C6B87D
oklch(78% 0.079 96.4)
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 #AAB4EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.034
- Carolina Blue #8AB8FE ΔE 0.044
- Light Grey Blue #9DBCD4 ΔE 0.048
- Cloudy Blue #ACC2D9 ΔE 0.052
- Light Steel Blue #B0C4DE ΔE 0.053
- Light Cornflower Blue #98C1D9 ΔE 0.054
- Pale Violet #CEAEFA ΔE 0.058
- Light Periwinkle #C1C6FC ΔE 0.060
Use #AAB4EB 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.