#ACB3CB
Closest named color: French Gray (#ADB5BD). oklch(76.9% 0.035 272.7), rgb(172, 179, 203).
Aa
Black text reads best on this color (10.06:1).
About this color
#ACB3CB is a medium-light, muted blue. In OKLCH its lightness is 77%, its chroma 0.035 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is French Gray (#ADB5BD), ΔE 0.023 away. Black text reads best on it, at 10.06:1.
| Hue family | Blues |
| Lightness | medium-light (77%) |
| Chroma | muted (0.035) |
| Temperature | cool |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 10.06:1 |
| White text | 2.08:1 |
Values
| HEX | #ACB3CB |
| RGB | rgb(172, 179, 203) |
| HSL | hsl(226, 23%, 74%) |
| OKLCH | oklch(76.9% 0.035 272.7) |
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 #ACB3CB | 2.08:1 | Fails | Lc -45.4 | Large or bold text, headings |
| Black text on #ACB3CB | 10.06:1 | AAA | Lc 63.1 | Content text, not long reading |
| #ACB3CB text on white | 2.08:1 | Fails | Lc 40.8 | Non-text elements, placeholder text |
| #ACB3CB text on black | 10.06:1 | AAA | Lc -61.5 | 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
#E7EAF1
oklch(93.7% 0.01 267.4)
-
Step 200
200
#D4D9E6
oklch(88.5% 0.019 269.1)
-
Step 300
300 (this color)
#ACB3CB
oklch(76.9% 0.035 272.7)
-
Step 400
400
#949FC4
oklch(70.7% 0.056 272)
-
Step 500
500
#7B87B6
oklch(63.2% 0.072 273.1)
-
Step 600
600
#6470A1
oklch(55.5% 0.078 273.1)
-
Step 700
700
#535E8A
oklch(49.1% 0.072 272.8)
-
Step 800
800
#444D70
oklch(42.8% 0.059 272.6)
-
Step 900
900
#39405B
oklch(37.7% 0.047 272.8)
-
Step 950
950
#212635
oklch(27.1% 0.029 270.1)
#ACB3CB 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) | #ACB5CC | 0.005 |
| Deuteranopia (no green cones) | #AAB2CA | 0.004 |
| Tritanopia (no blue cones) | #A5B7BB | 0.031 |
| Achromatopsia (no color) | #B3B3B3 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACB3CB
#ACB3CB
oklch(76.9% 0.035 272.7)
- #BCB49B
#BCB49B
oklch(77% 0.036 92.3)
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 #ACB3CB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.023
- Light Grey Blue #9DBCD4 ΔE 0.028
- Cloudy Blue #ACC2D9 ΔE 0.039
- Light Cornflower Blue #98C1D9 ΔE 0.041
- Light Steel Blue #B0C4DE ΔE 0.047
- Dark Gray #A9A9A9 ΔE 0.049
- Silver #C0C0C0 ΔE 0.052
- Cool Steel #97A7B3 ΔE 0.053
Use #ACB3CB 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.