#A3CEFF
Closest named color: Baby Blue (#A2CFFE). oklch(83.8% 0.083 252.1), rgb(163, 206, 255).
Aa
Black text reads best on this color (12.82:1).
About this color
#A3CEFF is a light, moderately saturated blue. In OKLCH its lightness is 84%, its chroma 0.083 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.004 away. Black text reads best on it, at 12.82:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 12.82:1 |
| White text | 1.63:1 |
Values
| HEX | #A3CEFF |
| RGB | rgb(163, 206, 255) |
| HSL | hsl(212, 100%, 82%) |
| OKLCH | oklch(83.8% 0.083 252.1) |
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 #A3CEFF | 1.63:1 | Fails | Lc -31.9 | Non-text elements, placeholder text |
| Black text on #A3CEFF | 12.82:1 | AAA | Lc 75.5 | Fine for body text |
| #A3CEFF text on white | 1.63:1 | Fails | Lc 28.3 | Dividers and decoration only |
| #A3CEFF text on black | 12.82:1 | AAA | Lc -74.6 | 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
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DFEBFA
oklch(93.6% 0.024 254)
-
Step 200
200
#C4DCF7
oklch(88.5% 0.045 251.4)
-
Step 300
300 (this color)
#A3CEFF
oklch(83.8% 0.083 252.1)
-
Step 400
400
#5FA4F0
oklch(70.6% 0.132 252.2)
-
Step 500
500
#288BEB
oklch(63% 0.169 252.1)
-
Step 600
600
#0074D0
oklch(55.6% 0.166 251.9)
-
Step 700
700
#0061B0
oklch(49% 0.147 252)
-
Step 800
800
#004F92
oklch(42.6% 0.129 252.3)
-
Step 900
900
#03427A
oklch(37.7% 0.111 252.2)
-
Step 950
950
#072747
oklch(26.9% 0.07 252)
#A3CEFF 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) | #BCCFFF | 0.031 |
| Deuteranopia (no green cones) | #B1C6FE | 0.025 |
| Tritanopia (no blue cones) | #85D9DE | 0.072 |
| Achromatopsia (no color) | #CACACA | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3CEFF
#A3CEFF
oklch(83.8% 0.083 252.1)
- #ECC28E
#ECC28E
oklch(83.9% 0.083 72.3)
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 #A3CEFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.004
- Light Sky Blue #87CEFA ΔE 0.032
- Sky #82CAFC ΔE 0.039
- Light Periwinkle #C1C6FC ΔE 0.040
- Pastel Blue #A2BFFE ΔE 0.040
- Light Blue Grey #B7C9E2 ΔE 0.043
- Sky Blue #87CEEB ΔE 0.044
- Light Steel Blue #B0C4DE ΔE 0.047
Use #A3CEFF 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.