#AEC8DE
Closest named color: Light Steel Blue (#B0C4DE). oklch(82.1% 0.042 243.8), rgb(174, 200, 222).
Aa
Black text reads best on this color (12.11:1).
About this color
#AEC8DE is a light, muted blue. In OKLCH its lightness is 82%, its chroma 0.042 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Light Steel Blue (#B0C4DE), ΔE 0.011 away. Black text reads best on it, at 12.11:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 12.11:1 |
| White text | 1.73:1 |
Values
| HEX | #AEC8DE |
| RGB | rgb(174, 200, 222) |
| HSL | hsl(208, 42%, 78%) |
| OKLCH | oklch(82.1% 0.042 243.8) |
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 #AEC8DE | 1.73:1 | Fails | Lc -35.3 | Non-text elements, placeholder text |
| Black text on #AEC8DE | 12.11:1 | AAA | Lc 72.4 | Content text, not long reading |
| #AEC8DE text on white | 1.73:1 | Fails | Lc 31.4 | Non-text elements, placeholder text |
| #AEC8DE text on black | 12.11:1 | AAA | Lc -71.3 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF2
oklch(93.6% 0.013 244.3)
-
Step 200
200
#CDDBE8
oklch(88.5% 0.023 246.1)
-
Step 300
300 (this color)
#AEC8DE
oklch(82.1% 0.042 243.8)
-
Step 400
400
#7DA6C8
oklch(70.8% 0.067 243.9)
-
Step 500
500
#5A8FBA
oklch(63% 0.086 244.2)
-
Step 600
600
#3E79A6
oklch(55.6% 0.094 243.7)
-
Step 700
700
#30668E
oklch(49.2% 0.086 243.3)
-
Step 800
800
#295373
oklch(42.7% 0.071 243.6)
-
Step 900
900
#26455D
oklch(37.8% 0.055 243.4)
-
Step 950
950
#172837
oklch(26.9% 0.036 246.3)
#AEC8DE 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) | #BFC8DF | 0.022 |
| Deuteranopia (no green cones) | #B9C2DE | 0.020 |
| Tritanopia (no blue cones) | #A1CDCF | 0.033 |
| Achromatopsia (no color) | #C5C5C5 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AEC8DE
#AEC8DE
oklch(82.1% 0.042 243.8)
- #D8BFA9
#D8BFA9
oklch(82% 0.041 63.6)
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 #AEC8DE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Steel Blue #B0C4DE ΔE 0.011
- Light Blue Grey #B7C9E2 ΔE 0.013
- Cloudy Blue #ACC2D9 ΔE 0.016
- Light Cornflower Blue #98C1D9 ΔE 0.035
- Light Grey Blue #9DBCD4 ΔE 0.041
- Light Blue #ADD8E6 ΔE 0.041
- Silver #C0C0C0 ΔE 0.044
- Baby Blue #A2CFFE ΔE 0.044
Use #AEC8DE 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.