#AEC4F1
Closest named color: Light Steel Blue (#B0C4DE). oklch(81.9% 0.068 264.5), rgb(174, 196, 241).
Aa
Black text reads best on this color (11.96:1).
About this color
#AEC4F1 is a light, muted blue. In OKLCH its lightness is 82%, its chroma 0.068 and its hue 264°. 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 11.96:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 11.96:1 |
| White text | 1.75:1 |
Values
| HEX | #AEC4F1 |
| RGB | rgb(174, 196, 241) |
| HSL | hsl(220, 71%, 81%) |
| OKLCH | oklch(81.9% 0.068 264.5) |
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 #AEC4F1 | 1.75:1 | Fails | Lc -36.0 | Non-text elements, placeholder text |
| Black text on #AEC4F1 | 11.96:1 | AAA | Lc 71.8 | Content text, not long reading |
| #AEC4F1 text on white | 1.75:1 | Fails | Lc 32.1 | Non-text elements, placeholder text |
| #AEC4F1 text on black | 11.96:1 | AAA | Lc -70.6 | 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
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E3EAF8
oklch(93.6% 0.02 264.5)
-
Step 200
200
#CDD9F3
oklch(88.4% 0.038 265.8)
-
Step 300
300 (this color)
#AEC4F1
oklch(81.9% 0.068 264.5)
-
Step 400
400
#7E9FE5
oklch(70.6% 0.11 264.5)
-
Step 500
500
#5F86DD
oklch(63.1% 0.138 264.5)
-
Step 600
600
#466ECB
oklch(55.7% 0.151 264.5)
-
Step 700
700
#375BB0
oklch(49.1% 0.142 264.5)
-
Step 800
800
#2E4B8E
oklch(42.7% 0.116 264.4)
-
Step 900
900
#293F71
oklch(37.7% 0.09 264.6)
-
Step 950
950
#182542
oklch(26.9% 0.057 264.6)
#AEC4F1 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) | #B6C7F3 | 0.014 |
| Deuteranopia (no green cones) | #AFC1F0 | 0.008 |
| Tritanopia (no blue cones) | #9CCDD3 | 0.061 |
| Achromatopsia (no color) | #C3C3C3 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AEC4F1
#AEC4F1
oklch(81.9% 0.068 264.5)
- #D9C191
#D9C191
oklch(82% 0.069 84.4)
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 #AEC4F1, 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 0.030
- Light Periwinkle #C1C6FC ΔE 0.031
- Baby Blue #A2CFFE ΔE 0.031
- Light Blue Grey #B7C9E2 ΔE 0.031
- Cloudy Blue #ACC2D9 ΔE 0.034
- Light Cornflower Blue #98C1D9 ΔE 0.046
- Light Sky Blue #87CEFA ΔE 0.047
Use #AEC4F1 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.