#A4C3FF
Closest named color: Pastel Blue (#A2BFFE). oklch(81.6% 0.092 263.3), rgb(164, 195, 255).
Aa
Black text reads best on this color (11.82:1).
About this color
#A4C3FF is a light, moderately saturated blue. In OKLCH its lightness is 82%, its chroma 0.092 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.011 away. Black text reads best on it, at 11.82:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 11.82:1 |
| White text | 1.77:1 |
Values
| HEX | #A4C3FF |
| RGB | rgb(164, 195, 255) |
| HSL | hsl(220, 100%, 82%) |
| OKLCH | oklch(81.6% 0.092 263.3) |
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 #A4C3FF | 1.77:1 | Fails | Lc -36.6 | Non-text elements, placeholder text |
| Black text on #A4C3FF | 11.82:1 | AAA | Lc 71.2 | Content text, not long reading |
| #A4C3FF text on white | 1.77:1 | Fails | Lc 32.6 | Non-text elements, placeholder text |
| #A4C3FF text on black | 11.82:1 | AAA | Lc -70.0 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFC
oklch(93.6% 0.026 264.4)
-
Step 200
200
#C8DAFC
oklch(88.6% 0.051 263.2)
-
Step 300
300 (this color)
#A4C3FF
oklch(81.6% 0.092 263.3)
-
Step 400
400
#709EFC
oklch(70.8% 0.147 263.4)
-
Step 500
500
#4B82F9
oklch(63.1% 0.187 263.4)
-
Step 600
600
#2F68E8
oklch(55.6% 0.203 263.2)
-
Step 700
700
#2255CA
oklch(49% 0.19 263.3)
-
Step 800
800
#1E47A3
oklch(42.8% 0.156 263.2)
-
Step 900
900
#1D3D81
oklch(37.8% 0.121 263)
-
Step 950
950
#12244C
oklch(27% 0.078 263.8)
#A4C3FF 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) | #AFC7FF | 0.018 |
| Deuteranopia (no green cones) | #A5BFFE | 0.010 |
| Tritanopia (no blue cones) | #88CFD7 | 0.082 |
| Achromatopsia (no color) | #C2C2C2 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4C3FF
#A4C3FF
oklch(81.6% 0.092 263.3)
- #E0BE7D
#E0BE7D
oklch(81.7% 0.092 82.9)
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 #A4C3FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.011
- Baby Blue #A2CFFE ΔE 0.032
- Light Periwinkle #C1C6FC ΔE 0.039
- Sky #82CAFC ΔE 0.040
- Light Sky Blue #87CEFA ΔE 0.043
- Carolina Blue #8AB8FE ΔE 0.045
- Lightblue #7BC8F6 ΔE 0.049
- Light Steel Blue #B0C4DE ΔE 0.050
Use #A4C3FF 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.