#AAC3FC
Closest named color: Pastel Blue (#A2BFFE). oklch(81.9% 0.085 266.2), rgb(170, 195, 252).
Aa
Black text reads best on this color (11.92:1).
About this color
#AAC3FC is a light, moderately saturated blue. In OKLCH its lightness is 82%, its chroma 0.085 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.016 away. Black text reads best on it, at 11.92:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 11.92:1 |
| White text | 1.76:1 |
Values
| HEX | #AAC3FC |
| RGB | rgb(170, 195, 252) |
| HSL | hsl(222, 93%, 83%) |
| OKLCH | oklch(81.9% 0.085 266.2) |
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 #AAC3FC | 1.76:1 | Fails | Lc -36.2 | Non-text elements, placeholder text |
| Black text on #AAC3FC | 11.92:1 | AAA | Lc 71.6 | Content text, not long reading |
| #AAC3FC text on white | 1.76:1 | Fails | Lc 32.2 | Non-text elements, placeholder text |
| #AAC3FC text on black | 11.92:1 | AAA | Lc -70.4 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E2EAFB
oklch(93.6% 0.025 265.6)
-
Step 200
200
#CBD9F9
oklch(88.5% 0.047 266.7)
-
Step 300
300 (this color)
#AAC3FC
oklch(81.9% 0.085 266.2)
-
Step 400
400
#799DF6
oklch(70.8% 0.137 266.3)
-
Step 500
500
#5881F2
oklch(63% 0.175 266.4)
-
Step 600
600
#3F68E0
oklch(55.6% 0.189 266.1)
-
Step 700
700
#3155C3
oklch(49% 0.177 266.2)
-
Step 800
800
#29479E
oklch(42.8% 0.146 266)
-
Step 900
900
#253C7D
oklch(37.6% 0.114 266.3)
-
Step 950
950
#162449
oklch(27% 0.071 266.2)
#AAC3FC 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) | #B0C7FF | 0.014 |
| Deuteranopia (no green cones) | #A9C0FB | 0.008 |
| Tritanopia (no blue cones) | #92CED6 | 0.076 |
| Achromatopsia (no color) | #C3C3C3 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAC3FC
#AAC3FC
oklch(81.9% 0.085 266.2)
- #DCC083
#DCC083
oklch(81.8% 0.085 85.9)
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 #AAC3FC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.016
- Baby Blue #A2CFFE ΔE 0.031
- Light Periwinkle #C1C6FC ΔE 0.032
- Light Steel Blue #B0C4DE ΔE 0.044
- Sky #82CAFC ΔE 0.046
- Light Sky Blue #87CEFA ΔE 0.047
- Light Blue Grey #B7C9E2 ΔE 0.048
- Cloudy Blue #ACC2D9 ΔE 0.050
Use #AAC3FC 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.