#A3C6FF
Closest named color: Pastel Blue (#A2BFFE). oklch(82.2% 0.089 260), rgb(163, 198, 255).
Aa
Black text reads best on this color (12.07:1).
About this color
#A3C6FF is a light, moderately saturated blue. In OKLCH its lightness is 82%, its chroma 0.089 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.018 away. Black text reads best on it, at 12.07:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 12.07:1 |
| White text | 1.73:1 |
Values
| HEX | #A3C6FF |
| RGB | rgb(163, 198, 255) |
| HSL | hsl(217, 100%, 82%) |
| OKLCH | oklch(82.2% 0.089 260) |
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 #A3C6FF | 1.73:1 | Fails | Lc -35.4 | Non-text elements, placeholder text |
| Black text on #A3C6FF | 12.07:1 | AAA | Lc 72.3 | Content text, not long reading |
| #A3C6FF text on white | 1.73:1 | Fails | Lc 31.5 | Non-text elements, placeholder text |
| #A3C6FF text on black | 12.07:1 | AAA | Lc -71.2 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E0EBFC
oklch(93.7% 0.026 259)
-
Step 200
200
#C6DAFB
oklch(88.4% 0.051 260.4)
-
Step 300
300 (this color)
#A3C6FF
oklch(82.2% 0.089 260)
-
Step 400
400
#6AA0F9
oklch(70.7% 0.143 259.9)
-
Step 500
500
#4185F6
oklch(63.1% 0.183 260)
-
Step 600
600
#206BE5
oklch(55.6% 0.199 260.1)
-
Step 700
700
#1258C7
oklch(49% 0.186 260.2)
-
Step 800
800
#1349A1
oklch(42.7% 0.153 260.2)
-
Step 900
900
#173E7F
oklch(37.6% 0.119 260.1)
-
Step 950
950
#0E254B
oklch(27% 0.076 259.9)
#A3C6FF 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) | #B2C9FF | 0.021 |
| Deuteranopia (no green cones) | #A8C0FE | 0.016 |
| Tritanopia (no blue cones) | #86D2D9 | 0.080 |
| Achromatopsia (no color) | #C4C4C4 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3C6FF
#A3C6FF
oklch(82.2% 0.089 260)
- #E3BF81
#E3BF81
oklch(82.2% 0.089 80.6)
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 #A3C6FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.018
- Baby Blue #A2CFFE ΔE 0.024
- Sky #82CAFC ΔE 0.037
- Light Sky Blue #87CEFA ΔE 0.037
- Light Periwinkle #C1C6FC ΔE 0.038
- Lightblue #7BC8F6 ΔE 0.046
- Light Steel Blue #B0C4DE ΔE 0.047
- Light Blue Grey #B7C9E2 ΔE 0.050
Use #A3C6FF 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.