#AEC0ED
Closest named color: Light Steel Blue (#B0C4DE). oklch(81% 0.067 267.8), rgb(174, 192, 237).
Aa
Black text reads best on this color (11.56:1).
About this color
#AEC0ED is a light, muted blue. In OKLCH its lightness is 81%, its chroma 0.067 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Light Steel Blue (#B0C4DE), ΔE 0.027 away. Black text reads best on it, at 11.56:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 11.56:1 |
| White text | 1.81:1 |
Values
| HEX | #AEC0ED |
| RGB | rgb(174, 192, 237) |
| HSL | hsl(223, 64%, 81%) |
| OKLCH | oklch(81% 0.067 267.8) |
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 #AEC0ED | 1.81:1 | Fails | Lc -37.9 | Non-text elements, placeholder text |
| Black text on #AEC0ED | 11.56:1 | AAA | Lc 70.0 | Content text, not long reading |
| #AEC0ED text on white | 1.81:1 | Fails | Lc 33.9 | Non-text elements, placeholder text |
| #AEC0ED text on black | 11.56:1 | AAA | Lc -68.7 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200
#CED9F3
oklch(88.5% 0.038 267.3)
-
Step 300
300 (this color)
#AEC0ED
oklch(81% 0.067 267.8)
-
Step 400
400
#849EE4
oklch(70.7% 0.107 268)
-
Step 500
500
#6684DC
oklch(63.1% 0.137 268.1)
-
Step 600
600
#4E6CC9
oklch(55.6% 0.148 267.9)
-
Step 700
700
#3F5AAE
oklch(49.1% 0.137 267.7)
-
Step 800
800
#344A8D
oklch(42.8% 0.114 267.7)
-
Step 900
900
#2D3E71
oklch(37.7% 0.09 268)
-
Step 950
950
#1A2542
oklch(27% 0.056 266.9)
#AEC0ED 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) | #B2C3EF | 0.010 |
| Deuteranopia (no green cones) | #ADBEEC | 0.005 |
| Tritanopia (no blue cones) | #9EC9CF | 0.060 |
| Achromatopsia (no color) | #C0C0C0 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AEC0ED
#AEC0ED
oklch(81% 0.067 267.8)
- #D3BF8F
#D3BF8F
oklch(81% 0.067 88)
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 #AEC0ED, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Steel Blue #B0C4DE ΔE 0.027
- Pastel Blue #A2BFFE ΔE 0.029
- Cloudy Blue #ACC2D9 ΔE 0.031
- Light Blue Grey #B7C9E2 ΔE 0.035
- Light Periwinkle #C1C6FC ΔE 0.036
- Baby Blue #A2CFFE ΔE 0.040
- Light Cornflower Blue #98C1D9 ΔE 0.042
- Light Grey Blue #9DBCD4 ΔE 0.043
Use #AEC0ED 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.