#AECBF9
Closest named color: Baby Blue (#A2CFFE). oklch(83.7% 0.072 259.5), rgb(174, 203, 249).
Aa
Black text reads best on this color (12.71:1).
About this color
#AECBF9 is a light, moderately saturated blue. In OKLCH its lightness is 84%, its chroma 0.072 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.016 away. Black text reads best on it, at 12.71:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 12.71:1 |
| White text | 1.65:1 |
Values
| HEX | #AECBF9 |
| RGB | rgb(174, 203, 249) |
| HSL | hsl(217, 86%, 83%) |
| OKLCH | oklch(83.7% 0.072 259.5) |
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 #AECBF9 | 1.65:1 | Fails | Lc -32.5 | Non-text elements, placeholder text |
| Black text on #AECBF9 | 12.71:1 | AAA | Lc 75.0 | Content text, not long reading |
| #AECBF9 text on white | 1.65:1 | Fails | Lc 28.8 | Dividers and decoration only |
| #AECBF9 text on black | 12.71:1 | AAA | Lc -74.1 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EAF8
oklch(93.5% 0.021 261.8)
-
Step 200
200
#CADAF4
oklch(88.4% 0.04 260.1)
-
Step 300
300 (this color)
#AECBF9
oklch(83.7% 0.072 259.5)
-
Step 400
400
#75A1E8
oklch(70.7% 0.115 259.7)
-
Step 500
500
#5188E1
oklch(63.1% 0.147 259.6)
-
Step 600
600
#3470CF
oklch(55.6% 0.16 259.3)
-
Step 700
700
#275DB3
oklch(49.1% 0.148 259.5)
-
Step 800
800
#224C91
oklch(42.6% 0.123 259.9)
-
Step 900
900
#204074
oklch(37.6% 0.097 259.6)
-
Step 950
950
#142644
oklch(27% 0.061 260.1)
#AECBF9 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) | #BBCDFB | 0.018 |
| Deuteranopia (no green cones) | #B3C6F8 | 0.014 |
| Tritanopia (no blue cones) | #98D5DA | 0.065 |
| Achromatopsia (no color) | #C9C9C9 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AECBF9
#AECBF9
oklch(83.7% 0.072 259.5)
- #E3C594
#E3C594
oklch(83.7% 0.073 79.7)
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 #AECBF9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.016
- Light Periwinkle #C1C6FC ΔE 0.027
- Light Blue Grey #B7C9E2 ΔE 0.033
- Light Steel Blue #B0C4DE ΔE 0.037
- Pastel Blue #A2BFFE ΔE 0.039
- Light Sky Blue #87CEFA ΔE 0.043
- Cloudy Blue #ACC2D9 ΔE 0.046
- Sky #82CAFC ΔE 0.049
Use #AECBF9 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.