#A3C3FF
Closest named color: Pastel Blue (#A2BFFE). oklch(81.5% 0.092 262.7), rgb(163, 195, 255).
Aa
Black text reads best on this color (11.80:1).
About this color
#A3C3FF is a light, moderately saturated blue. In OKLCH its lightness is 82%, its chroma 0.092 and its hue 263°. 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 11.80:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 11.80:1 |
| White text | 1.77:1 |
Values
| HEX | #A3C3FF |
| RGB | rgb(163, 195, 255) |
| HSL | hsl(219, 100%, 82%) |
| OKLCH | oklch(81.5% 0.092 262.7) |
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 #A3C3FF | 1.77:1 | Fails | Lc -36.7 | Non-text elements, placeholder text |
| Black text on #A3C3FF | 11.80:1 | AAA | Lc 71.1 | Content text, not long reading |
| #A3C3FF text on white | 1.77:1 | Fails | Lc 32.7 | Non-text elements, placeholder text |
| #A3C3FF text on black | 11.80:1 | AAA | Lc -69.9 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E0EAFC
oklch(93.5% 0.027 262.3)
-
Step 200
200
#C7DAFC
oklch(88.5% 0.051 262.1)
-
Step 300
300 (this color)
#A3C3FF
oklch(81.5% 0.092 262.7)
-
Step 400
400
#6E9EFC
oklch(70.7% 0.148 262.7)
-
Step 500
500
#4882F9
oklch(63% 0.188 262.7)
-
Step 600
600
#2C68E9
oklch(55.6% 0.205 262.8)
-
Step 700
700
#1F56CA
oklch(49.2% 0.19 262.6)
-
Step 800
800
#1B47A3
oklch(42.7% 0.157 262.5)
-
Step 900
900
#1C3D82
oklch(37.8% 0.123 262.8)
-
Step 950
950
#11244C
oklch(27% 0.078 263.1)
#A3C3FF 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) | #AEC7FF | 0.018 |
| Deuteranopia (no green cones) | #A5BEFE | 0.013 |
| Tritanopia (no blue cones) | #86CFD7 | 0.082 |
| Achromatopsia (no color) | #C2C2C2 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3C3FF
#A3C3FF
oklch(81.5% 0.092 262.7)
- #E0BE7C
#E0BE7C
oklch(81.6% 0.093 83.3)
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 #A3C3FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.011
- Baby Blue #A2CFFE ΔE 0.032
- Sky #82CAFC ΔE 0.039
- Light Periwinkle #C1C6FC ΔE 0.040
- Light Sky Blue #87CEFA ΔE 0.042
- Carolina Blue #8AB8FE ΔE 0.044
- Lightblue #7BC8F6 ΔE 0.048
- Light Steel Blue #B0C4DE ΔE 0.050
Use #A3C3FF 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.