#ACAEC9
Closest named color: French Gray (#ADB5BD). oklch(75.8% 0.039 282.1), rgb(172, 174, 201).
Aa
Black text reads best on this color (9.65:1).
About this color
#ACAEC9 is a medium-light, muted purple. In OKLCH its lightness is 76%, its chroma 0.039 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is French Gray (#ADB5BD), ΔE 0.030 away. Black text reads best on it, at 9.65:1.
| Hue family | Purples |
| Lightness | medium-light (76%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 9.65:1 |
| White text | 2.17:1 |
Values
| HEX | #ACAEC9 |
| RGB | rgb(172, 174, 201) |
| HSL | hsl(236, 21%, 73%) |
| OKLCH | oklch(75.8% 0.039 282.1) |
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 #ACAEC9 | 2.17:1 | Fails | Lc -47.5 | Large or bold text, headings |
| Black text on #ACAEC9 | 9.65:1 | AAA | Lc 61.2 | Content text, not long reading |
| #ACAEC9 text on white | 2.17:1 | Fails | Lc 42.8 | Non-text elements, placeholder text |
| #ACAEC9 text on black | 9.65:1 | AAA | Lc -59.4 | Large or bold text, headings |
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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E8E9F1
oklch(93.6% 0.011 280.5)
-
Step 200
200
#D6D8E7
oklch(88.5% 0.021 279.9)
-
Step 300
300 (this color)
#ACAEC9
oklch(75.8% 0.039 282.1)
-
Step 400
400
#9A9CC7
oklch(70.6% 0.063 282.6)
-
Step 500
500
#8284B8
oklch(63.2% 0.078 282.2)
-
Step 600
600
#6B6DA4
oklch(55.6% 0.085 281.7)
-
Step 700
700
#5A5B8D
oklch(49.2% 0.079 282.2)
-
Step 800
800
#494A72
oklch(42.6% 0.066 282.1)
-
Step 900
900
#3D3E5C
oklch(37.6% 0.051 282.2)
-
Step 950
950
#242536
oklch(27.1% 0.031 281.5)
#ACAEC9 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) | #A7B1CA | 0.010 |
| Deuteranopia (no green cones) | #A6AFC8 | 0.009 |
| Tritanopia (no blue cones) | #A6B2B7 | 0.033 |
| Achromatopsia (no color) | #B0B0B0 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACAEC9
#ACAEC9
oklch(75.8% 0.039 282.1)
- #B5B296
#B5B296
oklch(75.9% 0.039 102.2)
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 #ACAEC9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.030
- Light Grey Blue #9DBCD4 ΔE 0.038
- Dark Gray #A9A9A9 ΔE 0.045
- Cool Steel #97A7B3 ΔE 0.046
- Light Cornflower Blue #98C1D9 ΔE 0.052
- Cloudy Blue #ACC2D9 ΔE 0.052
- Pinkish Grey #C8ACA9 ΔE 0.057
- Light Steel Blue #B0C4DE ΔE 0.059
Use #ACAEC9 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.