#AEC4E6
Closest named color: Light Steel Blue (#B0C4DE). oklch(81.5% 0.054 259), rgb(174, 196, 230).
Aa
Black text reads best on this color (11.83:1).
About this color
#AEC4E6 is a light, muted blue. In OKLCH its lightness is 82%, its chroma 0.054 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Light Steel Blue (#B0C4DE), ΔE 0.012 away. Black text reads best on it, at 11.83:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 11.83:1 |
| White text | 1.77:1 |
Values
| HEX | #AEC4E6 |
| RGB | rgb(174, 196, 230) |
| HSL | hsl(216, 53%, 79%) |
| OKLCH | oklch(81.5% 0.054 259) |
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 #AEC4E6 | 1.77:1 | Fails | Lc -36.6 | Non-text elements, placeholder text |
| Black text on #AEC4E6 | 11.83:1 | AAA | Lc 71.2 | Content text, not long reading |
| #AEC4E6 text on white | 1.77:1 | Fails | Lc 32.6 | Non-text elements, placeholder text |
| #AEC4E6 text on black | 11.83:1 | AAA | Lc -70.0 | 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
#E4EAF5
oklch(93.6% 0.016 262.8)
-
Step 200
200
#CEDAED
oklch(88.5% 0.029 259.6)
-
Step 300
300 (this color)
#AEC4E6
oklch(81.5% 0.054 259)
-
Step 400
400
#80A2D7
oklch(70.7% 0.087 259.1)
-
Step 500
500
#608ACC
oklch(63.1% 0.11 259.1)
-
Step 600
600
#4673B9
oklch(55.7% 0.12 258.9)
-
Step 700
700
#38609F
oklch(49.1% 0.111 259.1)
-
Step 800
800
#2E4F81
oklch(42.8% 0.092 258.5)
-
Step 900
900
#294267
oklch(37.7% 0.071 258)
-
Step 950
950
#19273D
oklch(27.2% 0.046 259.2)
#AEC4E6 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) | #B9C5E8 | 0.015 |
| Deuteranopia (no green cones) | #B3C0E5 | 0.011 |
| Tritanopia (no blue cones) | #9FCBCF | 0.048 |
| Achromatopsia (no color) | #C2C2C2 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AEC4E6
#AEC4E6
oklch(81.5% 0.054 259)
- #D6BF9C
#D6BF9C
oklch(81.5% 0.054 78.2)
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 #AEC4E6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Steel Blue #B0C4DE ΔE 0.012
- Cloudy Blue #ACC2D9 ΔE 0.018
- Light Blue Grey #B7C9E2 ΔE 0.020
- Light Cornflower Blue #98C1D9 ΔE 0.035
- Baby Blue #A2CFFE ΔE 0.038
- Light Grey Blue #9DBCD4 ΔE 0.039
- Light Periwinkle #C1C6FC ΔE 0.041
- Pastel Blue #A2BFFE ΔE 0.043
Use #AEC4E6 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.