#AEC1C8
Closest named color: Cloudy Blue (#ACC2D9). oklch(79.9% 0.023 221.9), rgb(174, 193, 200).
Aa
Black text reads best on this color (11.26:1).
About this color
#AEC1C8 is a light close to neutral grey. In OKLCH its lightness is 80%, its chroma 0.023. 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 11.26:1.
| Hue family | Neutrals |
| Lightness | light (80%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.26:1 |
| White text | 1.86:1 |
Values
| HEX | #AEC1C8 |
| RGB | rgb(174, 193, 200) |
| HSL | hsl(196, 19%, 73%) |
| OKLCH | oklch(79.9% 0.023 221.9) |
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 #AEC1C8 | 1.86:1 | Fails | Lc -39.4 | Non-text elements, placeholder text |
| Black text on #AEC1C8 | 11.26:1 | AAA | Lc 68.6 | Content text, not long reading |
| #AEC1C8 text on white | 1.86:1 | Fails | Lc 35.2 | Non-text elements, placeholder text |
| #AEC1C8 text on black | 11.26:1 | AAA | Lc -67.3 | 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
#D0DBDF
oklch(88.4% 0.013 221.4)
-
Step 300
300 (this color)
#AEC1C8
oklch(79.9% 0.023 221.9)
-
Step 400
400
#88A6B1
oklch(70.6% 0.037 222.1)
-
Step 500
500
#6A909E
oklch(63% 0.047 222.7)
-
Step 600
600
#517A89
oklch(55.5% 0.051 222.9)
-
Step 700
700
#416774
oklch(49.1% 0.048 221.6)
-
Step 800
800
#36545F
oklch(42.7% 0.04 223)
-
Step 900
900
#2F454D
oklch(37.5% 0.031 222.5)
-
Step 950
950
#1C292D
oklch(27.1% 0.019 218.7)
#AEC1C8 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) | #BDC0C8 | 0.020 |
| Deuteranopia (no green cones) | #B9BCC8 | 0.019 |
| Tritanopia (no blue cones) | #A7C3C3 | 0.014 |
| Achromatopsia (no color) | #BEBEBE | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AEC1C8
#AEC1C8
oklch(79.9% 0.023 221.9)
- #CBB9B2
#CBB9B2
oklch(79.9% 0.023 42.5)
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 #AEC1C8, 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 0.025
- Light Steel Blue #B0C4DE ΔE 0.031
- French Gray #ADB5BD ΔE 0.032
- Light Grey Blue #9DBCD4 ΔE 0.033
- Light Cornflower Blue #98C1D9 ΔE 0.034
- Light Blue Grey #B7C9E2 ΔE 0.040
- Ash Gray #BFC8AD ΔE 0.052
Use #AEC1C8 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.