#A4ACD3
Closest named color: Light Grey Blue (#9DBCD4). oklch(75.1% 0.057 275.9), rgb(164, 172, 211).
Aa
Black text reads best on this color (9.42:1).
About this color
#A4ACD3 is a medium-light, muted blue. In OKLCH its lightness is 75%, its chroma 0.057 and its hue 276°. 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 9.42:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.42:1 |
| White text | 2.22:1 |
Values
| HEX | #A4ACD3 |
| RGB | rgb(164, 172, 211) |
| HSL | hsl(230, 35%, 74%) |
| OKLCH | oklch(75.1% 0.057 275.9) |
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 #A4ACD3 | 2.22:1 | Fails | Lc -48.7 | Large or bold text, headings |
| Black text on #A4ACD3 | 9.42:1 | AAA | Lc 60.0 | Content text, not long reading |
| #A4ACD3 text on white | 2.22:1 | Fails | Lc 43.9 | Non-text elements, placeholder text |
| #A4ACD3 text on black | 9.42:1 | AAA | Lc -58.2 | 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
#D5D8E7
oklch(88.4% 0.021 276.9)
-
Step 300
300
#BABFD8
oklch(80.9% 0.036 276.6)
-
Step 400
400 (this color)
#A4ACD3
oklch(75.1% 0.057 275.9)
-
Step 500
500
#7D86B6
oklch(63.1% 0.073 275.9)
-
Step 600
600
#666FA2
oklch(55.5% 0.08 275.8)
-
Step 700
700
#555D8A
oklch(49.1% 0.073 275.7)
-
Step 800
800
#464C70
oklch(42.7% 0.06 276.3)
-
Step 900
900
#3A3F5B
oklch(37.6% 0.048 276)
-
Step 950
950
#222535
oklch(26.9% 0.03 276)
#A4ACD3 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) | #A1B0D5 | 0.011 |
| Deuteranopia (no green cones) | #9EACD2 | 0.008 |
| Tritanopia (no blue cones) | #99B3B9 | 0.051 |
| Achromatopsia (no color) | #AEAEAE | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4ACD3
#A4ACD3
oklch(75.1% 0.057 275.9)
- #B9AF86
#B9AF86
oklch(75.2% 0.057 96)
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 #A4ACD3, 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 0.048
- Cool Steel #97A7B3 ΔE 0.050
- Light Cornflower Blue #98C1D9 ΔE 0.055
- Dark Gray #A9A9A9 ΔE 0.059
- Cloudy Blue #ACC2D9 ΔE 0.060
- Carolina Blue #8AB8FE ΔE 0.066
- Light Steel Blue #B0C4DE ΔE 0.066
Use #A4ACD3 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.