#AEC7EF
Closest named color: Light Steel Blue (#B0C4DE). oklch(82.5% 0.063 259.7), rgb(174, 199, 239).
Aa
Black text reads best on this color (12.21:1).
About this color
#AEC7EF is a light, muted blue. In OKLCH its lightness is 82%, its chroma 0.063 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Light Steel Blue (#B0C4DE), ΔE 0.023 away. Black text reads best on it, at 12.21:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 12.21:1 |
| White text | 1.71:1 |
Values
| HEX | #AEC7EF |
| RGB | rgb(174, 199, 239) |
| HSL | hsl(217, 67%, 81%) |
| OKLCH | oklch(82.5% 0.063 259.7) |
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 #AEC7EF | 1.71:1 | Fails | Lc -34.8 | Non-text elements, placeholder text |
| Black text on #AEC7EF | 12.21:1 | AAA | Lc 72.9 | Content text, not long reading |
| #AEC7EF text on white | 1.71:1 | Fails | Lc 31.0 | Non-text elements, placeholder text |
| #AEC7EF text on black | 12.21:1 | AAA | Lc -71.8 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EAF6
oklch(93.5% 0.018 261.3)
-
Step 200
200
#CCDAF1
oklch(88.5% 0.035 260.4)
-
Step 300
300 (this color)
#AEC7EF
oklch(82.5% 0.063 259.7)
-
Step 400
400
#7BA1DF
oklch(70.6% 0.101 259.9)
-
Step 500
500
#5989D6
oklch(63.1% 0.128 259.5)
-
Step 600
600
#3F71C4
oklch(55.6% 0.14 260)
-
Step 700
700
#315FA9
oklch(49.2% 0.129 259.5)
-
Step 800
800
#294D89
oklch(42.6% 0.108 260)
-
Step 900
900
#26416E
oklch(37.8% 0.084 260.1)
-
Step 950
950
#162640
oklch(26.9% 0.053 259.7)
#AEC7EF 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) | #BAC9F1 | 0.017 |
| Deuteranopia (no green cones) | #B3C3EE | 0.011 |
| Tritanopia (no blue cones) | #9CCFD4 | 0.055 |
| Achromatopsia (no color) | #C5C5C5 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AEC7EF
#AEC7EF
oklch(82.5% 0.063 259.7)
- #DBC298
#DBC298
oklch(82.5% 0.063 80.5)
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 #AEC7EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Steel Blue #B0C4DE ΔE 0.023
- Light Blue Grey #B7C9E2 ΔE 0.023
- Baby Blue #A2CFFE ΔE 0.027
- Cloudy Blue #ACC2D9 ΔE 0.031
- Light Periwinkle #C1C6FC ΔE 0.032
- Pastel Blue #A2BFFE ΔE 0.038
- Light Sky Blue #87CEFA ΔE 0.044
- Light Cornflower Blue #98C1D9 ΔE 0.044
Use #AEC7EF 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.