#AEC6DF
Closest named color: Light Steel Blue (#B0C4DE). oklch(81.7% 0.044 249.4), rgb(174, 198, 223).
Aa
Black text reads best on this color (11.94:1).
About this color
#AEC6DF is a light, muted blue. In OKLCH its lightness is 82%, its chroma 0.044 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Light Steel Blue (#B0C4DE), ΔE 0.005 away. Black text reads best on it, at 11.94:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 11.94:1 |
| White text | 1.75:1 |
Values
| HEX | #AEC6DF |
| RGB | rgb(174, 198, 223) |
| HSL | hsl(211, 43%, 78%) |
| OKLCH | oklch(81.7% 0.044 249.4) |
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 #AEC6DF | 1.75:1 | Fails | Lc -36.1 | Non-text elements, placeholder text |
| Black text on #AEC6DF | 11.94:1 | AAA | Lc 71.7 | Content text, not long reading |
| #AEC6DF text on white | 1.75:1 | Fails | Lc 32.2 | Non-text elements, placeholder text |
| #AEC6DF text on black | 11.94:1 | AAA | Lc -70.5 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E4EBF2
oklch(93.7% 0.012 248)
-
Step 200
200
#CDDBE9
oklch(88.5% 0.025 248.1)
-
Step 300
300 (this color)
#AEC6DF
oklch(81.7% 0.044 249.4)
-
Step 400
400
#7FA5CB
oklch(70.8% 0.07 248.8)
-
Step 500
500
#5E8EBE
oklch(63.2% 0.09 249.4)
-
Step 600
600
#4377AA
oklch(55.6% 0.098 249.6)
-
Step 700
700
#346492
oklch(49.1% 0.091 249.3)
-
Step 800
800
#2C5276
oklch(42.8% 0.074 248.8)
-
Step 900
900
#28445F
oklch(37.7% 0.058 248.7)
-
Step 950
950
#182838
oklch(27.1% 0.037 249.3)
#AEC6DF 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) | #BDC6E0 | 0.020 |
| Deuteranopia (no green cones) | #B7C1DF | 0.017 |
| Tritanopia (no blue cones) | #A1CCCE | 0.037 |
| Achromatopsia (no color) | #C3C3C3 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AEC6DF
#AEC6DF
oklch(81.7% 0.044 249.4)
- #D6BFA5
#D6BFA5
oklch(81.7% 0.044 70.6)
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 #AEC6DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Steel Blue #B0C4DE ΔE 0.005
- Cloudy Blue #ACC2D9 ΔE 0.012
- Light Blue Grey #B7C9E2 ΔE 0.015
- Light Cornflower Blue #98C1D9 ΔE 0.032
- Light Grey Blue #9DBCD4 ΔE 0.037
- Baby Blue #A2CFFE ΔE 0.044
- Silver #C0C0C0 ΔE 0.045
- Sky Blue #87CEEB ΔE 0.045
Use #AEC6DF 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.