#AAC0FC
Closest named color: Pastel Blue (#A2BFFE). oklch(81.3% 0.089 268.8), rgb(170, 192, 252).
Aa
Black text reads best on this color (11.65:1).
About this color
#AAC0FC is a light, moderately saturated blue. In OKLCH its lightness is 81%, its chroma 0.089 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.011 away. Black text reads best on it, at 11.65:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 11.65:1 |
| White text | 1.80:1 |
Values
| HEX | #AAC0FC |
| RGB | rgb(170, 192, 252) |
| HSL | hsl(224, 93%, 83%) |
| OKLCH | oklch(81.3% 0.089 268.8) |
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 #AAC0FC | 1.80:1 | Fails | Lc -37.5 | Non-text elements, placeholder text |
| Black text on #AAC0FC | 11.65:1 | AAA | Lc 70.4 | Content text, not long reading |
| #AAC0FC text on white | 1.80:1 | Fails | Lc 33.4 | Non-text elements, placeholder text |
| #AAC0FC text on black | 11.65:1 | AAA | Lc -69.2 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E3EAFC
oklch(93.7% 0.025 268.8)
-
Step 200
200
#CCD9FB
oklch(88.6% 0.049 268.8)
-
Step 300
300 (this color)
#AAC0FC
oklch(81.3% 0.089 268.8)
-
Step 400
400
#7C9BF9
oklch(70.7% 0.142 268.8)
-
Step 500
500
#5D7FF6
oklch(63.2% 0.181 268.8)
-
Step 600
600
#4665E4
oklch(55.7% 0.196 268.8)
-
Step 700
700
#3852C7
oklch(49.1% 0.184 269)
-
Step 800
800
#2E44A0
oklch(42.6% 0.151 268.9)
-
Step 900
900
#283B7F
oklch(37.7% 0.117 268.5)
-
Step 950
950
#18234B
oklch(27.1% 0.075 269.3)
#AAC0FC 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) | #ADC5FF | 0.014 |
| Deuteranopia (no green cones) | #A6BEFB | 0.008 |
| Tritanopia (no blue cones) | #93CCD5 | 0.079 |
| Achromatopsia (no color) | #C1C1C1 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAC0FC
#AAC0FC
oklch(81.3% 0.089 268.8)
- #D9BF7E
#D9BF7E
oklch(81.2% 0.089 88.6)
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 #AAC0FC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.011
- Light Periwinkle #C1C6FC ΔE 0.035
- Baby Blue #A2CFFE ΔE 0.039
- Carolina Blue #8AB8FE ΔE 0.046
- Light Steel Blue #B0C4DE ΔE 0.048
- Sky #82CAFC ΔE 0.049
- Light Sky Blue #87CEFA ΔE 0.051
- Cloudy Blue #ACC2D9 ΔE 0.053
Use #AAC0FC 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.