#ACB3CF
Closest named color: Light Grey Blue (#9DBCD4). oklch(77% 0.041 274.3), rgb(172, 179, 207).
Aa
Black text reads best on this color (10.10:1).
About this color
#ACB3CF is a medium-light, muted blue. In OKLCH its lightness is 77%, its chroma 0.041 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.028 away. Black text reads best on it, at 10.10:1.
| Hue family | Blues |
| Lightness | medium-light (77%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.10:1 |
| White text | 2.07:1 |
Values
| HEX | #ACB3CF |
| RGB | rgb(172, 179, 207) |
| HSL | hsl(228, 27%, 74%) |
| OKLCH | oklch(77% 0.041 274.3) |
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 #ACB3CF | 2.07:1 | Fails | Lc -45.2 | Large or bold text, headings |
| Black text on #ACB3CF | 10.10:1 | AAA | Lc 63.3 | Content text, not long reading |
| #ACB3CF text on white | 2.07:1 | Fails | Lc 40.6 | Non-text elements, placeholder text |
| #ACB3CF text on black | 10.10:1 | AAA | Lc -61.7 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7E9F2
oklch(93.5% 0.012 276.1)
-
Step 200
200
#D4D8E9
oklch(88.4% 0.024 275.3)
-
Step 300
300 (this color)
#ACB3CF
oklch(77% 0.041 274.3)
-
Step 400
400
#949ECA
oklch(70.7% 0.065 274.6)
-
Step 500
500
#7A86BC
oklch(63.2% 0.083 274.2)
-
Step 600
600
#636FA8
oklch(55.6% 0.09 274.1)
-
Step 700
700
#525D90
oklch(49.2% 0.083 273.7)
-
Step 800
800
#434C75
oklch(42.7% 0.069 273.7)
-
Step 900
900
#393F5F
oklch(37.7% 0.055 275.3)
-
Step 950
950
#212537
oklch(26.9% 0.034 274.3)
#ACB3CF 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) | #ABB5D0 | 0.005 |
| Deuteranopia (no green cones) | #A9B3CE | 0.004 |
| Tritanopia (no blue cones) | #A4B8BC | 0.037 |
| Achromatopsia (no color) | #B4B4B4 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACB3CF
#ACB3CF
oklch(77% 0.041 274.3)
- #BCB498
#BCB498
oklch(76.9% 0.04 93.9)
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 #ACB3CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.028
- French Gray #ADB5BD ΔE 0.028
- Cloudy Blue #ACC2D9 ΔE 0.039
- Light Cornflower Blue #98C1D9 ΔE 0.041
- Light Steel Blue #B0C4DE ΔE 0.045
- Dark Gray #A9A9A9 ΔE 0.054
- Silver #C0C0C0 ΔE 0.055
- Cool Steel #97A7B3 ΔE 0.056
Use #ACB3CF 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.