#AEC4E2
Closest named color: Light Steel Blue (#B0C4DE). oklch(81.4% 0.049 256.2), rgb(174, 196, 226).
Aa
Black text reads best on this color (11.79:1).
About this color
#AEC4E2 is a light, muted blue. In OKLCH its lightness is 81%, its chroma 0.049 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Light Steel Blue (#B0C4DE), ΔE 0.006 away. Black text reads best on it, at 11.79:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 11.79:1 |
| White text | 1.78:1 |
Values
| HEX | #AEC4E2 |
| RGB | rgb(174, 196, 226) |
| HSL | hsl(215, 47%, 78%) |
| OKLCH | oklch(81.4% 0.049 256.2) |
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 #AEC4E2 | 1.78:1 | Fails | Lc -36.8 | Non-text elements, placeholder text |
| Black text on #AEC4E2 | 11.79:1 | AAA | Lc 71.0 | Content text, not long reading |
| #AEC4E2 text on white | 1.78:1 | Fails | Lc 32.8 | Non-text elements, placeholder text |
| #AEC4E2 text on black | 11.79:1 | AAA | Lc -69.8 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF3
oklch(93.5% 0.014 258.3)
-
Step 200
200
#CEDAEB
oklch(88.4% 0.027 257)
-
Step 300
300 (this color)
#AEC4E2
oklch(81.4% 0.049 256.2)
-
Step 400
400
#81A3D1
oklch(70.7% 0.078 256.1)
-
Step 500
500
#608BC5
oklch(63% 0.1 256.2)
-
Step 600
600
#4774B2
oklch(55.5% 0.109 256.7)
-
Step 700
700
#386299
oklch(49.2% 0.101 255.8)
-
Step 800
800
#2F507C
oklch(42.8% 0.083 256.1)
-
Step 900
900
#2A4264
oklch(37.6% 0.066 257.2)
-
Step 950
950
#19273A
oklch(27% 0.041 256.3)
#AEC4E2 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) | #BAC5E3 | 0.016 |
| Deuteranopia (no green cones) | #B4C0E1 | 0.012 |
| Tritanopia (no blue cones) | #A0CACE | 0.042 |
| Achromatopsia (no color) | #C2C2C2 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AEC4E2
#AEC4E2
oklch(81.4% 0.049 256.2)
- #D5BE9F
#D5BE9F
oklch(81.3% 0.049 75.2)
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 #AEC4E2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Steel Blue #B0C4DE ΔE 0.006
- Cloudy Blue #ACC2D9 ΔE 0.013
- Light Blue Grey #B7C9E2 ΔE 0.019
- Light Cornflower Blue #98C1D9 ΔE 0.032
- Light Grey Blue #9DBCD4 ΔE 0.036
- Baby Blue #A2CFFE ΔE 0.042
- Light Periwinkle #C1C6FC ΔE 0.046
- Sky Blue #87CEEB ΔE 0.047
Use #AEC4E2 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.