#ACAECF
Closest named color: French Gray (#ADB5BD). oklch(76% 0.047 282.5), rgb(172, 174, 207).
Aa
Black text reads best on this color (9.70:1).
About this color
#ACAECF is a medium-light, muted purple. In OKLCH its lightness is 76%, its chroma 0.047 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is French Gray (#ADB5BD), ΔE 0.037 away. Black text reads best on it, at 9.70:1.
| Hue family | Purples |
| Lightness | medium-light (76%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 9.70:1 |
| White text | 2.16:1 |
Values
| HEX | #ACAECF |
| RGB | rgb(172, 174, 207) |
| HSL | hsl(237, 27%, 74%) |
| OKLCH | oklch(76% 0.047 282.5) |
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 #ACAECF | 2.16:1 | Fails | Lc -47.2 | Large or bold text, headings |
| Black text on #ACAECF | 9.70:1 | AAA | Lc 61.4 | Content text, not long reading |
| #ACAECF text on white | 2.16:1 | Fails | Lc 42.5 | Non-text elements, placeholder text |
| #ACAECF text on black | 9.70:1 | AAA | Lc -59.7 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E8E9F3
oklch(93.6% 0.013 281.6)
-
Step 200
200
#D6D7EA
oklch(88.4% 0.026 283.4)
-
Step 300
300 (this color)
#ACAECF
oklch(76% 0.047 282.5)
-
Step 400
400
#999BCF
oklch(70.7% 0.076 282.6)
-
Step 500
500
#8182C2
oklch(63.2% 0.096 282.6)
-
Step 600
600
#6B6AAF
oklch(55.6% 0.106 283.1)
-
Step 700
700
#595996
oklch(49.2% 0.096 282.3)
-
Step 800
800
#49497A
oklch(42.8% 0.08 282.5)
-
Step 900
900
#3D3D62
oklch(37.7% 0.063 283)
-
Step 950
950
#232439
oklch(27% 0.039 281.4)
#ACAECF 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) | #A6B1D1 | 0.010 |
| Deuteranopia (no green cones) | #A4AFCE | 0.011 |
| Tritanopia (no blue cones) | #A5B4B9 | 0.042 |
| Achromatopsia (no color) | #B0B0B0 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACAECF
#ACAECF
oklch(76% 0.047 282.5)
- #B6B391
#B6B391
oklch(76% 0.047 103.3)
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 #ACAECF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.037
- Light Grey Blue #9DBCD4 ΔE 0.039
- Cloudy Blue #ACC2D9 ΔE 0.052
- Light Cornflower Blue #98C1D9 ΔE 0.052
- Cool Steel #97A7B3 ΔE 0.052
- Dark Gray #A9A9A9 ΔE 0.054
- Light Steel Blue #B0C4DE ΔE 0.058
- Pinkish Grey #C8ACA9 ΔE 0.064
Use #ACAECF 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.