#AEC0F0
Closest named color: Pastel Blue (#A2BFFE). oklch(81.1% 0.071 268.8), rgb(174, 192, 240).
Aa
Black text reads best on this color (11.59:1).
About this color
#AEC0F0 is a light, moderately saturated blue. In OKLCH its lightness is 81%, its chroma 0.071 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.025 away. Black text reads best on it, at 11.59:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 11.59:1 |
| White text | 1.81:1 |
Values
| HEX | #AEC0F0 |
| RGB | rgb(174, 192, 240) |
| HSL | hsl(224, 69%, 81%) |
| OKLCH | oklch(81.1% 0.071 268.8) |
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 #AEC0F0 | 1.81:1 | Fails | Lc -37.8 | Non-text elements, placeholder text |
| Black text on #AEC0F0 | 11.59:1 | AAA | Lc 70.2 | Content text, not long reading |
| #AEC0F0 text on white | 1.81:1 | Fails | Lc 33.7 | Non-text elements, placeholder text |
| #AEC0F0 text on black | 11.59:1 | AAA | Lc -68.9 | 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
#CED9F4
oklch(88.5% 0.039 267.9)
-
Step 300
300 (this color)
#AEC0F0
oklch(81.1% 0.071 268.8)
-
Step 400
400
#839DE8
oklch(70.7% 0.114 268.8)
-
Step 500
500
#6583E1
oklch(63.1% 0.146 268.7)
-
Step 600
600
#4E6ACE
oklch(55.5% 0.157 269)
-
Step 700
700
#3F58B3
oklch(49.1% 0.147 268.9)
-
Step 800
800
#344991
oklch(42.8% 0.121 268.6)
-
Step 900
900
#2D3D73
oklch(37.6% 0.094 269.1)
-
Step 950
950
#1A2444
oklch(26.9% 0.061 268.9)
#AEC0F0 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) | #B1C4F2 | 0.011 |
| Deuteranopia (no green cones) | #ACBEEF | 0.006 |
| Tritanopia (no blue cones) | #9DC9D0 | 0.063 |
| Achromatopsia (no color) | #C0C0C0 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AEC0F0
#AEC0F0
oklch(81.1% 0.071 268.8)
- #D4BF8C
#D4BF8C
oklch(81% 0.071 88.2)
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 #AEC0F0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.025
- Light Steel Blue #B0C4DE ΔE 0.031
- Light Periwinkle #C1C6FC ΔE 0.034
- Cloudy Blue #ACC2D9 ΔE 0.036
- Light Blue Grey #B7C9E2 ΔE 0.038
- Baby Blue #A2CFFE ΔE 0.039
- Light Cornflower Blue #98C1D9 ΔE 0.046
- Light Grey Blue #9DBCD4 ΔE 0.047
Use #AEC0F0 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.