#AEC1CE
Closest named color: Cloudy Blue (#ACC2D9). oklch(80.1% 0.028 237.7), rgb(174, 193, 206).
Aa
Black text reads best on this color (11.31:1).
About this color
#AEC1CE is a light close to neutral grey. In OKLCH its lightness is 80%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.015 away. Black text reads best on it, at 11.31:1.
| Hue family | Neutrals |
| Lightness | light (80%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.31:1 |
| White text | 1.85:1 |
Values
| HEX | #AEC1CE |
| RGB | rgb(174, 193, 206) |
| HSL | hsl(204, 25%, 75%) |
| OKLCH | oklch(80.1% 0.028 237.7) |
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 #AEC1CE | 1.85:1 | Fails | Lc -39.2 | Non-text elements, placeholder text |
| Black text on #AEC1CE | 11.31:1 | AAA | Lc 68.9 | Content text, not long reading |
| #AEC1CE text on white | 1.85:1 | Fails | Lc 35.0 | Non-text elements, placeholder text |
| #AEC1CE text on black | 11.31:1 | AAA | Lc -67.6 | 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
#D0DBE2
oklch(88.5% 0.015 235.4)
-
Step 300
300 (this color)
#AEC1CE
oklch(80.1% 0.028 237.7)
-
Step 400
400
#87A5B9
oklch(70.6% 0.044 237.4)
-
Step 500
500
#698FA8
oklch(63.1% 0.057 237.7)
-
Step 600
600
#507993
oklch(55.6% 0.061 237.2)
-
Step 700
700
#40667E
oklch(49.2% 0.058 237.3)
-
Step 800
800
#355366
oklch(42.7% 0.048 237.2)
-
Step 900
900
#2F4553
oklch(37.8% 0.036 236.9)
-
Step 950
950
#1C2831
oklch(27% 0.024 241.1)
#AEC1CE 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) | #BBC0CF | 0.017 |
| Deuteranopia (no green cones) | #B7BDCE | 0.015 |
| Tritanopia (no blue cones) | #A6C4C5 | 0.020 |
| Achromatopsia (no color) | #BEBEBE | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AEC1CE
#AEC1CE
oklch(80.1% 0.028 237.7)
- #CCBAAD
#CCBAAD
oklch(80% 0.027 58.2)
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 #AEC1CE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.015
- Light Steel Blue #B0C4DE ΔE 0.022
- Silver #C0C0C0 ΔE 0.029
- Light Grey Blue #9DBCD4 ΔE 0.029
- Light Cornflower Blue #98C1D9 ΔE 0.030
- Light Blue Grey #B7C9E2 ΔE 0.034
- French Gray #ADB5BD ΔE 0.034
- Sky Blue #87CEEB ΔE 0.057
Use #AEC1CE 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.