#A3CEF2
Closest named color: Baby Blue (#A2CFFE). oklch(83.3% 0.068 244), rgb(163, 206, 242).
Aa
Black text reads best on this color (12.66:1).
About this color
#A3CEF2 is a light, muted blue. In OKLCH its lightness is 83%, its chroma 0.068 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.017 away. Black text reads best on it, at 12.66:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 12.66:1 |
| White text | 1.65:1 |
Values
| HEX | #A3CEF2 |
| RGB | rgb(163, 206, 242) |
| HSL | hsl(207, 75%, 79%) |
| OKLCH | oklch(83.3% 0.068 244) |
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 #A3CEF2 | 1.65:1 | Fails | Lc -32.7 | Non-text elements, placeholder text |
| Black text on #A3CEF2 | 12.66:1 | AAA | Lc 74.8 | Content text, not long reading |
| #A3CEF2 text on white | 1.65:1 | Fails | Lc 29.0 | Dividers and decoration only |
| #A3CEF2 text on black | 12.66:1 | AAA | Lc -73.9 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#DFECF6
oklch(93.6% 0.019 240.7)
-
Step 200
200
#C5DDF1
oklch(88.6% 0.038 243.3)
-
Step 300
300 (this color)
#A3CEF2
oklch(83.3% 0.068 244)
-
Step 400
400
#61A8E0
oklch(70.8% 0.109 244)
-
Step 500
500
#2991D7
oklch(63.2% 0.139 243.7)
-
Step 600
600
#0079BD
oklch(55.5% 0.138 244.2)
-
Step 700
700
#0066A0
oklch(49.2% 0.121 244)
-
Step 800
800
#005384
oklch(42.6% 0.106 244.3)
-
Step 900
900
#03456E
oklch(37.6% 0.091 244.3)
-
Step 950
950
#082940
oklch(27% 0.057 243.6)
#A3CEF2 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) | #BFCEF4 | 0.035 |
| Deuteranopia (no green cones) | #B5C5F1 | 0.030 |
| Tritanopia (no blue cones) | #8AD7DA | 0.056 |
| Achromatopsia (no color) | #C9C9C9 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3CEF2
#A3CEF2
oklch(83.3% 0.068 244)
- #E8C09A
#E8C09A
oklch(83.3% 0.068 65.2)
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 #A3CEF2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.017
- Light Blue Grey #B7C9E2 ΔE 0.030
- Light Sky Blue #87CEFA ΔE 0.031
- Sky Blue #87CEEB ΔE 0.033
- Light Steel Blue #B0C4DE ΔE 0.034
- Light Blue #ADD8E6 ΔE 0.039
- Cloudy Blue #ACC2D9 ΔE 0.040
- Sky #82CAFC ΔE 0.041
Use #A3CEF2 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.