#AEC3CB
Closest named color: Cloudy Blue (#ACC2D9). oklch(80.4% 0.026 222.7), rgb(174, 195, 203).
Aa
Black text reads best on this color (11.46:1).
About this color
#AEC3CB is a light close to neutral grey. In OKLCH its lightness is 80%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.021 away. Black text reads best on it, at 11.46:1.
| Hue family | Neutrals |
| Lightness | light (80%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.46:1 |
| White text | 1.83:1 |
Values
| HEX | #AEC3CB |
| RGB | rgb(174, 195, 203) |
| HSL | hsl(197, 22%, 74%) |
| OKLCH | oklch(80.4% 0.026 222.7) |
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 #AEC3CB | 1.83:1 | Fails | Lc -38.4 | Non-text elements, placeholder text |
| Black text on #AEC3CB | 11.46:1 | AAA | Lc 69.6 | Content text, not long reading |
| #AEC3CB text on white | 1.83:1 | Fails | Lc 34.3 | Non-text elements, placeholder text |
| #AEC3CB text on black | 11.46:1 | AAA | Lc -68.3 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBED
oklch(93.6% 0.007 219.6)
-
Step 200
200
#D0DBE0
oklch(88.5% 0.014 226.6)
-
Step 300
300 (this color)
#AEC3CB
oklch(80.4% 0.026 222.7)
-
Step 400
400
#85A7B3
oklch(70.7% 0.041 221.4)
-
Step 500
500
#6691A1
oklch(63.1% 0.053 223.1)
-
Step 600
600
#4C7B8C
oklch(55.6% 0.058 223)
-
Step 700
700
#3D6877
oklch(49.2% 0.053 222.4)
-
Step 800
800
#335560
oklch(42.8% 0.043 220.5)
-
Step 900
900
#2D464F
oklch(37.8% 0.034 222.5)
-
Step 950
950
#1B292E
oklch(27% 0.021 222)
#AEC3CB 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) | #BEC2CB | 0.021 |
| Deuteranopia (no green cones) | #BABECB | 0.020 |
| Tritanopia (no blue cones) | #A6C6C5 | 0.017 |
| Achromatopsia (no color) | #BFBFBF | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AEC3CB
#AEC3CB
oklch(80.4% 0.026 222.7)
- #CEBAB2
#CEBAB2
oklch(80.4% 0.026 43.1)
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 #AEC3CB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.021
- Silver #C0C0C0 ΔE 0.026
- Light Steel Blue #B0C4DE ΔE 0.027
- Light Cornflower Blue #98C1D9 ΔE 0.034
- Light Grey Blue #9DBCD4 ΔE 0.035
- Light Blue Grey #B7C9E2 ΔE 0.036
- French Gray #ADB5BD ΔE 0.037
- Ash Gray #BFC8AD ΔE 0.052
Use #AEC3CB 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.