#AEC0EE
Closest named color: Pastel Blue (#A2BFFE). oklch(81% 0.068 268.2), rgb(174, 192, 238).
Aa
Black text reads best on this color (11.57:1).
About this color
#AEC0EE is a light, muted blue. In OKLCH its lightness is 81%, its chroma 0.068 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.028 away. Black text reads best on it, at 11.57:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 11.57:1 |
| White text | 1.81:1 |
Values
| HEX | #AEC0EE |
| RGB | rgb(174, 192, 238) |
| HSL | hsl(223, 65%, 81%) |
| OKLCH | oklch(81% 0.068 268.2) |
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 #AEC0EE | 1.81:1 | Fails | Lc -37.9 | Non-text elements, placeholder text |
| Black text on #AEC0EE | 11.57:1 | AAA | Lc 70.1 | Content text, not long reading |
| #AEC0EE text on white | 1.81:1 | Fails | Lc 33.8 | Non-text elements, placeholder text |
| #AEC0EE text on black | 11.57:1 | AAA | Lc -68.8 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4EAF8
oklch(93.7% 0.02 267.3)
-
Step 200
200
#CED9F3
oklch(88.5% 0.038 267.3)
-
Step 300
300 (this color)
#AEC0EE
oklch(81% 0.068 268.2)
-
Step 400
400
#849EE5
oklch(70.8% 0.108 268.2)
-
Step 500
500
#6684DD
oklch(63.1% 0.138 268.2)
-
Step 600
600
#4E6CCB
oklch(55.7% 0.151 268.1)
-
Step 700
700
#3F59B0
oklch(49.1% 0.142 268.3)
-
Step 800
800
#34498E
oklch(42.6% 0.117 268.4)
-
Step 900
900
#2D3E72
oklch(37.7% 0.092 268.2)
-
Step 950
950
#1A2543
oklch(27.1% 0.058 267.3)
#AEC0EE 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) | #B2C3F0 | 0.010 |
| Deuteranopia (no green cones) | #ACBEED | 0.006 |
| Tritanopia (no blue cones) | #9DC9CF | 0.062 |
| Achromatopsia (no color) | #C0C0C0 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AEC0EE
#AEC0EE
oklch(81% 0.068 268.2)
- #D3BF8E
#D3BF8E
oklch(81% 0.069 88.4)
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 #AEC0EE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.028
- Light Steel Blue #B0C4DE ΔE 0.028
- Cloudy Blue #ACC2D9 ΔE 0.033
- Light Periwinkle #C1C6FC ΔE 0.036
- Light Blue Grey #B7C9E2 ΔE 0.036
- Baby Blue #A2CFFE ΔE 0.040
- Light Cornflower Blue #98C1D9 ΔE 0.043
- Light Grey Blue #9DBCD4 ΔE 0.044
Use #AEC0EE 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.