#AEC0D0
Closest named color: Cloudy Blue (#ACC2D9). oklch(79.9% 0.03 245), rgb(174, 192, 208).
Aa
Black text reads best on this color (11.25:1).
About this color
#AEC0D0 is a light, muted blue. In OKLCH its lightness is 80%, its chroma 0.030 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.012 away. Black text reads best on it, at 11.25:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | muted (0.030) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.25:1 |
| White text | 1.86:1 |
Values
| HEX | #AEC0D0 |
| RGB | rgb(174, 192, 208) |
| HSL | hsl(208, 27%, 75%) |
| OKLCH | oklch(79.9% 0.03 245) |
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 #AEC0D0 | 1.86:1 | Fails | Lc -39.5 | Non-text elements, placeholder text |
| Black text on #AEC0D0 | 11.25:1 | AAA | Lc 68.6 | Content text, not long reading |
| #AEC0D0 text on white | 1.86:1 | Fails | Lc 35.3 | Non-text elements, placeholder text |
| #AEC0D0 text on black | 11.25:1 | AAA | Lc -67.2 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EBEF
oklch(93.7% 0.008 236.6)
-
Step 200
200
#D0DBE4
oklch(88.6% 0.017 242.5)
-
Step 300
300 (this color)
#AEC0D0
oklch(79.9% 0.03 245)
-
Step 400
400
#88A4BD
oklch(70.6% 0.048 245.5)
-
Step 500
500
#6A8EAD
oklch(63.2% 0.062 245)
-
Step 600
600
#517898
oklch(55.7% 0.067 244.1)
-
Step 700
700
#426582
oklch(49.2% 0.062 244.5)
-
Step 800
800
#36526A
oklch(42.7% 0.052 245.3)
-
Step 900
900
#2F4456
oklch(37.7% 0.041 245)
-
Step 950
950
#1C2832
oklch(27% 0.025 244)
#AEC0D0 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) | #BAC0D1 | 0.016 |
| Deuteranopia (no green cones) | #B6BCD0 | 0.014 |
| Tritanopia (no blue cones) | #A5C4C5 | 0.025 |
| Achromatopsia (no color) | #BEBEBE | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AEC0D0
#AEC0D0
oklch(79.9% 0.03 245)
- #CCBAAA
#CCBAAA
oklch(80% 0.03 64)
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 #AEC0D0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.012
- Light Steel Blue #B0C4DE ΔE 0.020
- Light Grey Blue #9DBCD4 ΔE 0.026
- Light Cornflower Blue #98C1D9 ΔE 0.028
- Silver #C0C0C0 ΔE 0.031
- Light Blue Grey #B7C9E2 ΔE 0.034
- French Gray #ADB5BD ΔE 0.034
- Sky Blue #87CEEB ΔE 0.057
Use #AEC0D0 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.