#A3CAFF
Closest named color: Baby Blue (#A2CFFE). oklch(83% 0.086 256.2), rgb(163, 202, 255).
Aa
Black text reads best on this color (12.44:1).
About this color
#A3CAFF is a light, moderately saturated blue. In OKLCH its lightness is 83%, its chroma 0.086 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.014 away. Black text reads best on it, at 12.44:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 12.44:1 |
| White text | 1.68:1 |
Values
| HEX | #A3CAFF |
| RGB | rgb(163, 202, 255) |
| HSL | hsl(215, 100%, 82%) |
| OKLCH | oklch(83% 0.086 256.2) |
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 #A3CAFF | 1.68:1 | Fails | Lc -33.7 | Non-text elements, placeholder text |
| Black text on #A3CAFF | 12.44:1 | AAA | Lc 73.9 | Content text, not long reading |
| #A3CAFF text on white | 1.68:1 | Fails | Lc 29.9 | Dividers and decoration only |
| #A3CAFF text on black | 12.44:1 | AAA | Lc -72.9 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#DFEBFB
oklch(93.6% 0.025 255.6)
-
Step 200
200
#C5DBF9
oklch(88.5% 0.048 256.2)
-
Step 300
300 (this color)
#A3CAFF
oklch(83% 0.086 256.2)
-
Step 400
400
#65A2F5
oklch(70.7% 0.138 256.5)
-
Step 500
500
#3688F1
oklch(63.1% 0.176 256.3)
-
Step 600
600
#016FDF
oklch(55.6% 0.191 256.2)
-
Step 700
700
#005DBD
oklch(49.1% 0.169 256.1)
-
Step 800
800
#004C9D
oklch(42.8% 0.147 256.2)
-
Step 900
900
#0F407C
oklch(37.6% 0.114 256.2)
-
Step 950
950
#0B2649
oklch(27% 0.073 256.3)
#A3CAFF 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) | #B7CCFF | 0.025 |
| Deuteranopia (no green cones) | #ACC3FE | 0.020 |
| Tritanopia (no blue cones) | #85D5DC | 0.074 |
| Achromatopsia (no color) | #C7C7C7 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3CAFF
#A3CAFF
oklch(83% 0.086 256.2)
- #E8C088
#E8C088
oklch(83% 0.086 75.5)
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 #A3CAFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.014
- Pastel Blue #A2BFFE ΔE 0.029
- Light Sky Blue #87CEFA ΔE 0.033
- Sky #82CAFC ΔE 0.036
- Light Periwinkle #C1C6FC ΔE 0.037
- Light Blue Grey #B7C9E2 ΔE 0.046
- Light Steel Blue #B0C4DE ΔE 0.046
- Lightblue #7BC8F6 ΔE 0.046
Use #A3CAFF 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.