#AEC4EB
Closest named color: Light Steel Blue (#B0C4DE). oklch(81.7% 0.06 261.9), rgb(174, 196, 235).
Aa
Black text reads best on this color (11.89:1).
About this color
#AEC4EB is a light, muted blue. In OKLCH its lightness is 82%, its chroma 0.060 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Light Steel Blue (#B0C4DE), ΔE 0.019 away. Black text reads best on it, at 11.89:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 11.89:1 |
| White text | 1.76:1 |
Values
| HEX | #AEC4EB |
| RGB | rgb(174, 196, 235) |
| HSL | hsl(218, 60%, 80%) |
| OKLCH | oklch(81.7% 0.06 261.9) |
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 #AEC4EB | 1.76:1 | Fails | Lc -36.3 | Non-text elements, placeholder text |
| Black text on #AEC4EB | 11.89:1 | AAA | Lc 71.5 | Content text, not long reading |
| #AEC4EB text on white | 1.76:1 | Fails | Lc 32.4 | Non-text elements, placeholder text |
| #AEC4EB text on black | 11.89:1 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E4EAF6
oklch(93.6% 0.017 264.5)
-
Step 200
200
#CDDAF0
oklch(88.5% 0.033 261)
-
Step 300
300 (this color)
#AEC4EB
oklch(81.7% 0.06 261.9)
-
Step 400
400
#7FA1DD
oklch(70.7% 0.096 261.4)
-
Step 500
500
#5F88D4
oklch(63.1% 0.124 261.9)
-
Step 600
600
#4671C1
oklch(55.7% 0.134 261.7)
-
Step 700
700
#375EA7
oklch(49.1% 0.125 261.7)
-
Step 800
800
#2E4D87
oklch(42.7% 0.103 261.8)
-
Step 900
900
#29416C
oklch(37.8% 0.08 261.3)
-
Step 950
950
#18263F
oklch(27% 0.051 261.4)
#AEC4EB 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) | #B7C6ED | 0.013 |
| Deuteranopia (no green cones) | #B1C0EA | 0.011 |
| Tritanopia (no blue cones) | #9ECCD1 | 0.053 |
| Achromatopsia (no color) | #C3C3C3 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AEC4EB
#AEC4EB
oklch(81.7% 0.06 261.9)
- #D7C097
#D7C097
oklch(81.7% 0.061 81.9)
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 #AEC4EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Steel Blue #B0C4DE ΔE 0.019
- Light Blue Grey #B7C9E2 ΔE 0.024
- Cloudy Blue #ACC2D9 ΔE 0.025
- Baby Blue #A2CFFE ΔE 0.034
- Light Periwinkle #C1C6FC ΔE 0.036
- Pastel Blue #A2BFFE ΔE 0.037
- Light Cornflower Blue #98C1D9 ΔE 0.039
- Light Grey Blue #9DBCD4 ΔE 0.043
Use #AEC4EB 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.