#AEC5CB
Closest named color: Cloudy Blue (#ACC2D9). oklch(80.8% 0.026 215.2), rgb(174, 197, 203).
Aa
Black text reads best on this color (11.64:1).
About this color
#AEC5CB is a light close to neutral grey. In OKLCH its lightness is 81%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.024 away. Black text reads best on it, at 11.64:1.
| Hue family | Neutrals |
| Lightness | light (81%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.64:1 |
| White text | 1.80:1 |
Values
| HEX | #AEC5CB |
| RGB | rgb(174, 197, 203) |
| HSL | hsl(192, 22%, 74%) |
| OKLCH | oklch(80.8% 0.026 215.2) |
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 #AEC5CB | 1.80:1 | Fails | Lc -37.5 | Non-text elements, placeholder text |
| Black text on #AEC5CB | 11.64:1 | AAA | Lc 70.4 | Content text, not long reading |
| #AEC5CB text on white | 1.80:1 | Fails | Lc 33.5 | Non-text elements, placeholder text |
| #AEC5CB text on black | 11.64:1 | AAA | Lc -69.1 | 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
#E4EBED
oklch(93.5% 0.008 216.6)
-
Step 200
200
#CFDCDF
oklch(88.6% 0.015 213.1)
-
Step 300
300 (this color)
#AEC5CB
oklch(80.8% 0.026 215.2)
-
Step 400
400
#83A8B1
oklch(70.7% 0.042 214.2)
-
Step 500
500
#63929E
oklch(63.1% 0.054 215.5)
-
Step 600
600
#497C89
oklch(55.6% 0.058 215.9)
-
Step 700
700
#3A6974
oklch(49.2% 0.054 214.6)
-
Step 800
800
#30555F
oklch(42.6% 0.045 217.1)
-
Step 900
900
#2B474D
oklch(37.8% 0.035 212.7)
-
Step 950
950
#1A292D
oklch(26.9% 0.022 216.2)
#AEC5CB 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) | #C0C3CB | 0.024 |
| Deuteranopia (no green cones) | #BBBFCB | 0.022 |
| Tritanopia (no blue cones) | #A6C8C7 | 0.015 |
| Achromatopsia (no color) | #C1C1C1 | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AEC5CB
#AEC5CB
oklch(80.8% 0.026 215.2)
- #D1BBB5
#D1BBB5
oklch(80.9% 0.027 35.7)
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 #AEC5CB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.024
- Silver #C0C0C0 ΔE 0.026
- Light Steel Blue #B0C4DE ΔE 0.029
- Light Blue Grey #B7C9E2 ΔE 0.035
- Light Cornflower Blue #98C1D9 ΔE 0.037
- Light Grey Blue #9DBCD4 ΔE 0.039
- French Gray #ADB5BD ΔE 0.042
- Ash Gray #BFC8AD ΔE 0.049
Use #AEC5CB 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.