#AEC1CA
Closest named color: Cloudy Blue (#ACC2D9). oklch(79.9% 0.024 227.8), rgb(174, 193, 202).
Aa
Black text reads best on this color (11.28:1).
About this color
#AEC1CA is a light close to neutral grey. In OKLCH its lightness is 80%, its chroma 0.024. 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 11.28:1.
| Hue family | Neutrals |
| Lightness | light (80%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.28:1 |
| White text | 1.86:1 |
Values
| HEX | #AEC1CA |
| RGB | rgb(174, 193, 202) |
| HSL | hsl(199, 21%, 74%) |
| OKLCH | oklch(79.9% 0.024 227.8) |
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 #AEC1CA | 1.86:1 | Fails | Lc -39.3 | Non-text elements, placeholder text |
| Black text on #AEC1CA | 11.28:1 | AAA | Lc 68.7 | Content text, not long reading |
| #AEC1CA text on white | 1.86:1 | Fails | Lc 35.1 | Non-text elements, placeholder text |
| #AEC1CA text on black | 11.28:1 | AAA | Lc -67.4 | 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
#E5EBEE
oklch(93.6% 0.008 228.9)
-
Step 200
200
#D0DBE0
oklch(88.5% 0.014 226.6)
-
Step 300
300 (this color)
#AEC1CA
oklch(79.9% 0.024 227.8)
-
Step 400
400
#88A6B4
oklch(70.7% 0.039 227.9)
-
Step 500
500
#6990A1
oklch(63.1% 0.05 226.7)
-
Step 600
600
#507A8C
oklch(55.6% 0.054 226.8)
-
Step 700
700
#416777
oklch(49.2% 0.05 226.5)
-
Step 800
800
#365461
oklch(42.8% 0.042 227.1)
-
Step 900
900
#2F454F
oklch(37.6% 0.032 227.9)
-
Step 950
950
#1C292E
oklch(27.1% 0.02 223.6)
#AEC1CA 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) | #BCC0CB | 0.019 |
| Deuteranopia (no green cones) | #B8BCCA | 0.018 |
| Tritanopia (no blue cones) | #A7C4C4 | 0.016 |
| Achromatopsia (no color) | #BEBEBE | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AEC1CA
#AEC1CA
oklch(79.9% 0.024 227.8)
- #CCB9B0
#CCB9B0
oklch(79.9% 0.025 47.1)
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 #AEC1CA, 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 0.028
- Light Grey Blue #9DBCD4 ΔE 0.031
- French Gray #ADB5BD ΔE 0.032
- Light Cornflower Blue #98C1D9 ΔE 0.033
- Light Blue Grey #B7C9E2 ΔE 0.038
- Ash Gray #BFC8AD ΔE 0.054
Use #AEC1CA 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.