#AEC6DA
Closest named color: Light Steel Blue (#B0C4DE). oklch(81.5% 0.038 243.3), rgb(174, 198, 218).
Aa
Black text reads best on this color (11.88:1).
About this color
#AEC6DA is a light, muted blue. In OKLCH its lightness is 81%, its chroma 0.038 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Light Steel Blue (#B0C4DE), ΔE 0.009 away. Black text reads best on it, at 11.88:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 11.88:1 |
| White text | 1.76:1 |
Values
| HEX | #AEC6DA |
| RGB | rgb(174, 198, 218) |
| HSL | hsl(207, 37%, 77%) |
| OKLCH | oklch(81.5% 0.038 243.3) |
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 #AEC6DA | 1.76:1 | Fails | Lc -36.4 | Non-text elements, placeholder text |
| Black text on #AEC6DA | 11.88:1 | AAA | Lc 71.4 | Content text, not long reading |
| #AEC6DA text on white | 1.76:1 | Fails | Lc 32.4 | Non-text elements, placeholder text |
| #AEC6DA text on black | 11.88:1 | AAA | Lc -70.3 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EBF1
oklch(93.6% 0.011 243.7)
-
Step 200
200
#CEDBE6
oklch(88.5% 0.021 243.4)
-
Step 300
300 (this color)
#AEC6DA
oklch(81.5% 0.038 243.3)
-
Step 400
400
#80A6C4
oklch(70.8% 0.061 242.5)
-
Step 500
500
#5E8FB6
oklch(63.1% 0.079 243.5)
-
Step 600
600
#4479A2
oklch(55.7% 0.086 243.5)
-
Step 700
700
#35658A
oklch(49% 0.079 243.7)
-
Step 800
800
#2D5370
oklch(42.7% 0.065 243.2)
-
Step 900
900
#28455B
oklch(37.8% 0.052 242.6)
-
Step 950
950
#182835
oklch(26.9% 0.033 243.9)
#AEC6DA 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) | #BEC6DB | 0.021 |
| Deuteranopia (no green cones) | #B8C1DA | 0.018 |
| Tritanopia (no blue cones) | #A2CBCC | 0.032 |
| Achromatopsia (no color) | #C3C3C3 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AEC6DA
#AEC6DA
oklch(81.5% 0.038 243.3)
- #D5BEA9
#D5BEA9
oklch(81.5% 0.039 64.7)
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 #AEC6DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Steel Blue #B0C4DE ΔE 0.009
- Cloudy Blue #ACC2D9 ΔE 0.011
- Light Blue Grey #B7C9E2 ΔE 0.018
- Light Cornflower Blue #98C1D9 ΔE 0.031
- Light Grey Blue #9DBCD4 ΔE 0.036
- Silver #C0C0C0 ΔE 0.039
- Light Blue #ADD8E6 ΔE 0.046
- Sky Blue #87CEEB ΔE 0.047
Use #AEC6DA 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.