#A3C7FA
Closest named color: Baby Blue (#A2CFFE). oklch(82.2% 0.082 257.1), rgb(163, 199, 250).
Aa
Black text reads best on this color (12.10:1).
About this color
#A3C7FA is a light, moderately saturated blue. In OKLCH its lightness is 82%, its chroma 0.082 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.020 away. Black text reads best on it, at 12.10:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 12.10:1 |
| White text | 1.73:1 |
Values
| HEX | #A3C7FA |
| RGB | rgb(163, 199, 250) |
| HSL | hsl(215, 90%, 81%) |
| OKLCH | oklch(82.2% 0.082 257.1) |
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 #A3C7FA | 1.73:1 | Fails | Lc -35.3 | Non-text elements, placeholder text |
| Black text on #A3C7FA | 12.10:1 | AAA | Lc 72.4 | Content text, not long reading |
| #A3C7FA text on white | 1.73:1 | Fails | Lc 31.4 | Non-text elements, placeholder text |
| #A3C7FA text on black | 12.10:1 | AAA | Lc -71.3 | 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
#E0EBFA
oklch(93.6% 0.024 256.1)
-
Step 200
200
#C6DBF8
oklch(88.5% 0.046 256.5)
-
Step 300
300 (this color)
#A3C7FA
oklch(82.2% 0.082 257.1)
-
Step 400
400
#6AA2F1
oklch(70.7% 0.131 257.1)
-
Step 500
500
#3F88EC
oklch(63.1% 0.167 257.1)
-
Step 600
600
#196FDB
oklch(55.6% 0.183 257.2)
-
Step 700
700
#095CBE
oklch(49% 0.17 257.3)
-
Step 800
800
#0E4C9A
oklch(42.7% 0.141 257.2)
-
Step 900
900
#15407A
oklch(37.6% 0.109 257.2)
-
Step 950
950
#0E2648
oklch(27% 0.07 257.6)
#A3C7FA 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) | #B5C9FC | 0.024 |
| Deuteranopia (no green cones) | #ABC1F9 | 0.017 |
| Tritanopia (no blue cones) | #88D2D8 | 0.072 |
| Achromatopsia (no color) | #C5C5C5 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3C7FA
#A3C7FA
oklch(82.2% 0.082 257.1)
- #E3BE88
#E3BE88
oklch(82.1% 0.082 76.6)
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 #A3C7FA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.020
- Pastel Blue #A2BFFE ΔE 0.024
- Light Sky Blue #87CEFA ΔE 0.034
- Sky #82CAFC ΔE 0.035
- Light Periwinkle #C1C6FC ΔE 0.038
- Light Steel Blue #B0C4DE ΔE 0.040
- Light Blue Grey #B7C9E2 ΔE 0.043
- Lightblue #7BC8F6 ΔE 0.044
Use #A3C7FA 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.