#A3C8EE
Closest named color: Baby Blue (#A2CFFE). oklch(81.9% 0.067 249.3), rgb(163, 200, 238).
Aa
Black text reads best on this color (12.05:1).
About this color
#A3C8EE is a light, muted blue. In OKLCH its lightness is 82%, its chroma 0.067 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.025 away. Black text reads best on it, at 12.05:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 12.05:1 |
| White text | 1.74:1 |
Values
| HEX | #A3C8EE |
| RGB | rgb(163, 200, 238) |
| HSL | hsl(210, 69%, 79%) |
| OKLCH | oklch(81.9% 0.067 249.3) |
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 #A3C8EE | 1.74:1 | Fails | Lc -35.6 | Non-text elements, placeholder text |
| Black text on #A3C8EE | 12.05:1 | AAA | Lc 72.2 | Content text, not long reading |
| #A3C8EE text on white | 1.74:1 | Fails | Lc 31.7 | Non-text elements, placeholder text |
| #A3C8EE text on black | 12.05:1 | AAA | Lc -71.1 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E0EBF7
oklch(93.5% 0.02 250.4)
-
Step 200
200
#C7DCF1
oklch(88.5% 0.037 248.2)
-
Step 300
300 (this color)
#A3C8EE
oklch(81.9% 0.067 249.3)
-
Step 400
400
#6AA6E1
oklch(70.8% 0.107 249.2)
-
Step 500
500
#3D8ED8
oklch(63.1% 0.137 249.2)
-
Step 600
600
#1176C5
oklch(55.5% 0.148 249.4)
-
Step 700
700
#0063AA
oklch(49.1% 0.137 249.4)
-
Step 800
800
#08518A
oklch(42.7% 0.114 249.4)
-
Step 900
900
#13446E
oklch(37.7% 0.088 248.7)
-
Step 950
950
#0D2841
oklch(27% 0.057 249.3)
#A3C8EE 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) | #BAC9F0 | 0.029 |
| Deuteranopia (no green cones) | #B0C1ED | 0.023 |
| Tritanopia (no blue cones) | #8CD1D4 | 0.058 |
| Achromatopsia (no color) | #C4C4C4 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3C8EE
#A3C8EE
oklch(81.9% 0.067 249.3)
- #E1BD95
#E1BD95
oklch(82% 0.067 69.6)
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 #A3C8EE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.025
- Light Steel Blue #B0C4DE ΔE 0.025
- Light Blue Grey #B7C9E2 ΔE 0.030
- Cloudy Blue #ACC2D9 ΔE 0.030
- Light Sky Blue #87CEFA ΔE 0.033
- Sky Blue #87CEEB ΔE 0.034
- Light Cornflower Blue #98C1D9 ΔE 0.036
- Sky #82CAFC ΔE 0.038
Use #A3C8EE 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.