#AAC8FB
Closest named color: Baby Blue (#A2CFFE). oklch(82.9% 0.079 260.9), rgb(170, 200, 251).
Aa
Black text reads best on this color (12.36:1).
About this color
#AAC8FB is a light, moderately saturated blue. In OKLCH its lightness is 83%, its chroma 0.079 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.019 away. Black text reads best on it, at 12.36:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 12.36:1 |
| White text | 1.69:1 |
Values
| HEX | #AAC8FB |
| RGB | rgb(170, 200, 251) |
| HSL | hsl(218, 91%, 83%) |
| OKLCH | oklch(82.9% 0.079 260.9) |
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 #AAC8FB | 1.69:1 | Fails | Lc -34.1 | Non-text elements, placeholder text |
| Black text on #AAC8FB | 12.36:1 | AAA | Lc 73.5 | Content text, not long reading |
| #AAC8FB text on white | 1.69:1 | Fails | Lc 30.3 | Non-text elements, placeholder text |
| #AAC8FB text on black | 12.36:1 | AAA | Lc -72.5 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EAFA
oklch(93.5% 0.024 262.1)
-
Step 200
200
#C9DAF7
oklch(88.5% 0.044 261.2)
-
Step 300
300 (this color)
#AAC8FB
oklch(82.9% 0.079 260.9)
-
Step 400
400
#73A0EF
oklch(70.7% 0.126 261.1)
-
Step 500
500
#4E86EA
oklch(63.1% 0.162 261)
-
Step 600
600
#316DD8
oklch(55.5% 0.176 260.9)
-
Step 700
700
#245BBC
oklch(49.2% 0.164 260.8)
-
Step 800
800
#1F4B98
oklch(42.8% 0.135 260.7)
-
Step 900
900
#1F3F79
oklch(37.7% 0.106 261.2)
-
Step 950
950
#132547
oklch(26.9% 0.068 261.9)
#AAC8FB 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) | #B7CBFD | 0.019 |
| Deuteranopia (no green cones) | #AEC3FA | 0.013 |
| Tritanopia (no blue cones) | #92D3D9 | 0.071 |
| Achromatopsia (no color) | #C7C7C7 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAC8FB
#AAC8FB
oklch(82.9% 0.079 260.9)
- #E1C28C
#E1C28C
oklch(82.8% 0.079 81.1)
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 #AAC8FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.019
- Pastel Blue #A2BFFE ΔE 0.028
- Light Periwinkle #C1C6FC ΔE 0.029
- Light Blue Grey #B7C9E2 ΔE 0.039
- Light Steel Blue #B0C4DE ΔE 0.040
- Light Sky Blue #87CEFA ΔE 0.040
- Sky #82CAFC ΔE 0.043
- Cloudy Blue #ACC2D9 ΔE 0.047
Use #AAC8FB 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.