#AEC7DC
Closest named color: Light Steel Blue (#B0C4DE). oklch(81.8% 0.04 243.6), rgb(174, 199, 220).
Aa
Black text reads best on this color (12.00:1).
About this color
#AEC7DC is a light, muted blue. In OKLCH its lightness is 82%, its chroma 0.040 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Light Steel Blue (#B0C4DE), ΔE 0.010 away. Black text reads best on it, at 12.00:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 12.00:1 |
| White text | 1.74:1 |
Values
| HEX | #AEC7DC |
| RGB | rgb(174, 199, 220) |
| HSL | hsl(207, 40%, 77%) |
| OKLCH | oklch(81.8% 0.04 243.6) |
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 #AEC7DC | 1.74:1 | Fails | Lc -35.8 | Non-text elements, placeholder text |
| Black text on #AEC7DC | 12.00:1 | AAA | Lc 71.9 | Content text, not long reading |
| #AEC7DC text on white | 1.74:1 | Fails | Lc 31.9 | Non-text elements, placeholder text |
| #AEC7DC text on black | 12.00:1 | AAA | Lc -70.8 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E4EBF1
oklch(93.6% 0.011 243.7)
-
Step 200
200
#CDDBE7
oklch(88.4% 0.022 243.8)
-
Step 300
300 (this color)
#AEC7DC
oklch(81.8% 0.04 243.6)
-
Step 400
400
#7EA6C6
oklch(70.8% 0.064 242.9)
-
Step 500
500
#5C8FB8
oklch(63.1% 0.083 243.9)
-
Step 600
600
#4179A4
oklch(55.7% 0.09 243.6)
-
Step 700
700
#33668C
oklch(49.2% 0.082 243.1)
-
Step 800
800
#2B5372
oklch(42.7% 0.069 243.8)
-
Step 900
900
#27455C
oklch(37.8% 0.053 243)
-
Step 950
950
#172836
oklch(26.9% 0.035 244.4)
#AEC7DC 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) | #BFC7DD | 0.022 |
| Deuteranopia (no green cones) | #B9C2DC | 0.018 |
| Tritanopia (no blue cones) | #A2CCCE | 0.032 |
| Achromatopsia (no color) | #C4C4C4 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AEC7DC
#AEC7DC
oklch(81.8% 0.04 243.6)
- #D7BEA9
#D7BEA9
oklch(81.7% 0.041 62.3)
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 #AEC7DC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Steel Blue #B0C4DE ΔE 0.010
- Cloudy Blue #ACC2D9 ΔE 0.014
- Light Blue Grey #B7C9E2 ΔE 0.015
- Light Cornflower Blue #98C1D9 ΔE 0.033
- Light Grey Blue #9DBCD4 ΔE 0.038
- Silver #C0C0C0 ΔE 0.041
- Light Blue #ADD8E6 ΔE 0.044
- Sky Blue #87CEEB ΔE 0.045
Use #AEC7DC 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.