#A3ACD2
Closest named color: Light Grey Blue (#9DBCD4). oklch(75% 0.056 274.6), rgb(163, 172, 210).
Aa
Black text reads best on this color (9.38:1).
About this color
#A3ACD2 is a medium-light, muted blue. In OKLCH its lightness is 75%, its chroma 0.056 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.043 away. Black text reads best on it, at 9.38:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.38:1 |
| White text | 2.23:1 |
Values
| HEX | #A3ACD2 |
| RGB | rgb(163, 172, 210) |
| HSL | hsl(229, 34%, 73%) |
| OKLCH | oklch(75% 0.056 274.6) |
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 #A3ACD2 | 2.23:1 | Fails | Lc -48.9 | Large or bold text, headings |
| Black text on #A3ACD2 | 9.38:1 | AAA | Lc 59.9 | Large or bold text, headings |
| #A3ACD2 text on white | 2.23:1 | Fails | Lc 44.1 | Non-text elements, placeholder text |
| #A3ACD2 text on black | 9.38:1 | AAA | Lc -58.1 | 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 400.
-
Step 50
50
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E8E9F1
oklch(93.6% 0.011 280.5)
-
Step 200
200
#D5D8E6
oklch(88.4% 0.019 276.3)
-
Step 300
300
#B9BFD8
oklch(80.8% 0.036 274.9)
-
Step 400
400 (this color)
#A3ACD2
oklch(75% 0.056 274.6)
-
Step 500
500
#7C86B5
oklch(63% 0.072 274.9)
-
Step 600
600
#6670A1
oklch(55.7% 0.077 274.8)
-
Step 700
700
#545D8A
oklch(49% 0.073 274.7)
-
Step 800
800
#454C70
oklch(42.6% 0.061 275.1)
-
Step 900
900
#3A405A
oklch(37.7% 0.045 274)
-
Step 950
950
#222535
oklch(26.9% 0.03 276)
#A3ACD2 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) | #A1AFD4 | 0.008 |
| Deuteranopia (no green cones) | #9EACD1 | 0.007 |
| Tritanopia (no blue cones) | #98B3B9 | 0.049 |
| Achromatopsia (no color) | #ADADAD | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3ACD2
#A3ACD2
oklch(75% 0.056 274.6)
- #B9AE86
#B9AE86
oklch(75% 0.056 94.5)
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 #A3ACD2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.043
- French Gray #ADB5BD ΔE 0.047
- Cool Steel #97A7B3 ΔE 0.049
- Light Cornflower Blue #98C1D9 ΔE 0.055
- Dark Gray #A9A9A9 ΔE 0.058
- Cloudy Blue #ACC2D9 ΔE 0.060
- Bluegrey #85A3B2 ΔE 0.065
- Carolina Blue #8AB8FE ΔE 0.066
Use #A3ACD2 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.