#A3CAEF
Closest named color: Baby Blue (#A2CFFE). oklch(82.4% 0.067 247.3), rgb(163, 202, 239).
Aa
Black text reads best on this color (12.25:1).
About this color
#A3CAEF is a light, muted blue. In OKLCH its lightness is 82%, its chroma 0.067 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.022 away. Black text reads best on it, at 12.25:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 12.25:1 |
| White text | 1.71:1 |
Values
| HEX | #A3CAEF |
| RGB | rgb(163, 202, 239) |
| HSL | hsl(209, 70%, 79%) |
| OKLCH | oklch(82.4% 0.067 247.3) |
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 #A3CAEF | 1.71:1 | Fails | Lc -34.6 | Non-text elements, placeholder text |
| Black text on #A3CAEF | 12.25:1 | AAA | Lc 73.0 | Content text, not long reading |
| #A3CAEF text on white | 1.71:1 | Fails | Lc 30.8 | Non-text elements, placeholder text |
| #A3CAEF text on black | 12.25:1 | AAA | Lc -72.0 | 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
#E0EBF6
oklch(93.5% 0.019 248)
-
Step 200
200
#C6DCF1
oklch(88.5% 0.037 247)
-
Step 300
300 (this color)
#A3CAEF
oklch(82.4% 0.067 247.3)
-
Step 400
400
#67A6E0
oklch(70.6% 0.108 247.6)
-
Step 500
500
#388FD7
oklch(63.1% 0.136 247.3)
-
Step 600
600
#0078C4
oklch(55.7% 0.147 247.1)
-
Step 700
700
#0064A6
oklch(49.1% 0.131 247.6)
-
Step 800
800
#005289
oklch(42.7% 0.113 247.3)
-
Step 900
900
#0F446E
oklch(37.6% 0.09 247.6)
-
Step 950
950
#0C2840
oklch(26.9% 0.056 247.6)
#A3CAEF 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) | #BCCAF1 | 0.031 |
| Deuteranopia (no green cones) | #B2C2EE | 0.026 |
| Tritanopia (no blue cones) | #8BD3D6 | 0.057 |
| Achromatopsia (no color) | #C6C6C6 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3CAEF
#A3CAEF
oklch(82.4% 0.067 247.3)
- #E3BE97
#E3BE97
oklch(82.4% 0.067 68.2)
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 #A3CAEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.022
- Light Steel Blue #B0C4DE ΔE 0.027
- Light Blue Grey #B7C9E2 ΔE 0.029
- Light Sky Blue #87CEFA ΔE 0.031
- Cloudy Blue #ACC2D9 ΔE 0.032
- Sky Blue #87CEEB ΔE 0.033
- Sky #82CAFC ΔE 0.038
- Light Cornflower Blue #98C1D9 ΔE 0.039
Use #A3CAEF 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.