#ACB5CB
Closest named color: French Gray (#ADB5BD). oklch(77.3% 0.033 267.9), rgb(172, 181, 203).
Aa
Black text reads best on this color (10.22:1).
About this color
#ACB5CB is a medium-light, muted blue. In OKLCH its lightness is 77%, its chroma 0.033 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is French Gray (#ADB5BD), ΔE 0.020 away. Black text reads best on it, at 10.22:1.
| Hue family | Blues |
| Lightness | medium-light (77%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 10.22:1 |
| White text | 2.05:1 |
Values
| HEX | #ACB5CB |
| RGB | rgb(172, 181, 203) |
| HSL | hsl(223, 23%, 74%) |
| OKLCH | oklch(77.3% 0.033 267.9) |
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 #ACB5CB | 2.05:1 | Fails | Lc -44.6 | Non-text elements, placeholder text |
| Black text on #ACB5CB | 10.22:1 | AAA | Lc 63.9 | Content text, not long reading |
| #ACB5CB text on white | 2.05:1 | Fails | Lc 40.0 | Non-text elements, placeholder text |
| #ACB5CB text on black | 10.22:1 | AAA | Lc -62.3 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAF0
oklch(93.6% 0.009 264.5)
-
Step 200
200
#D4D9E6
oklch(88.5% 0.019 269.1)
-
Step 300
300 (this color)
#ACB5CB
oklch(77.3% 0.033 267.9)
-
Step 400
400
#92A0C2
oklch(70.7% 0.052 267.5)
-
Step 500
500
#7888B3
oklch(63% 0.068 268.6)
-
Step 600
600
#61729F
oklch(55.7% 0.073 268.1)
-
Step 700
700
#505F88
oklch(49% 0.069 268.4)
-
Step 800
800
#424E6E
oklch(42.7% 0.056 268.2)
-
Step 900
900
#374159
oklch(37.7% 0.043 266.8)
-
Step 950
950
#202634
oklch(26.9% 0.028 266.5)
#ACB5CB 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) | #AFB6CC | 0.005 |
| Deuteranopia (no green cones) | #ACB4CA | 0.003 |
| Tritanopia (no blue cones) | #A5B9BC | 0.029 |
| Achromatopsia (no color) | #B5B5B5 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACB5CB
#ACB5CB
oklch(77.3% 0.033 267.9)
- #BEB49E
#BEB49E
oklch(77.2% 0.032 86.5)
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 #ACB5CB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.020
- Light Grey Blue #9DBCD4 ΔE 0.025
- Cloudy Blue #ACC2D9 ΔE 0.035
- Light Cornflower Blue #98C1D9 ΔE 0.037
- Light Steel Blue #B0C4DE ΔE 0.043
- Silver #C0C0C0 ΔE 0.048
- Dark Gray #A9A9A9 ΔE 0.051
- Cool Steel #97A7B3 ΔE 0.056
Use #ACB5CB 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.