#AEC4CD
Closest named color: Cloudy Blue (#ACC2D9). oklch(80.7% 0.027 224.3), rgb(174, 196, 205).
Aa
Black text reads best on this color (11.57:1).
About this color
#AEC4CD is a light close to neutral grey. In OKLCH its lightness is 81%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.020 away. Black text reads best on it, at 11.57:1.
| Hue family | Neutrals |
| Lightness | light (81%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.57:1 |
| White text | 1.81:1 |
Values
| HEX | #AEC4CD |
| RGB | rgb(174, 196, 205) |
| HSL | hsl(197, 24%, 74%) |
| OKLCH | oklch(80.7% 0.027 224.3) |
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 #AEC4CD | 1.81:1 | Fails | Lc -37.9 | Non-text elements, placeholder text |
| Black text on #AEC4CD | 11.57:1 | AAA | Lc 70.1 | Content text, not long reading |
| #AEC4CD text on white | 1.81:1 | Fails | Lc 33.8 | Non-text elements, placeholder text |
| #AEC4CD text on black | 11.57:1 | AAA | Lc -68.8 | 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
#CFDBE1
oklch(88.4% 0.015 229)
-
Step 300
300 (this color)
#AEC4CD
oklch(80.7% 0.027 224.3)
-
Step 400
400
#84A7B5
oklch(70.7% 0.043 224.3)
-
Step 500
500
#6491A3
oklch(63.1% 0.056 224.9)
-
Step 600
600
#4A7B8E
oklch(55.6% 0.061 224.8)
-
Step 700
700
#3B6879
oklch(49.2% 0.056 224.4)
-
Step 800
800
#315562
oklch(42.8% 0.047 223.2)
-
Step 900
900
#2C4650
oklch(37.7% 0.036 224.2)
-
Step 950
950
#1A292F
oklch(27% 0.023 224.8)
#AEC4CD 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) | #BFC3CE | 0.022 |
| Deuteranopia (no green cones) | #BABFCD | 0.020 |
| Tritanopia (no blue cones) | #A6C7C7 | 0.017 |
| Achromatopsia (no color) | #C0C0C0 | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AEC4CD
#AEC4CD
oklch(80.7% 0.027 224.3)
- #D0BBB2
#D0BBB2
oklch(80.7% 0.027 44.7)
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 #AEC4CD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.020
- Light Steel Blue #B0C4DE ΔE 0.025
- Silver #C0C0C0 ΔE 0.027
- Light Blue Grey #B7C9E2 ΔE 0.033
- Light Cornflower Blue #98C1D9 ΔE 0.034
- Light Grey Blue #9DBCD4 ΔE 0.035
- French Gray #ADB5BD ΔE 0.040
- Ash Gray #BFC8AD ΔE 0.053
Use #AEC4CD 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.