#ACB8CB
Closest named color: French Gray (#ADB5BD). oklch(77.9% 0.03 259.6), rgb(172, 184, 203).
Aa
Black text reads best on this color (10.47:1).
About this color
#ACB8CB is a medium-light, muted blue. In OKLCH its lightness is 78%, its chroma 0.030 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is French Gray (#ADB5BD), ΔE 0.019 away. Black text reads best on it, at 10.47:1.
| Hue family | Blues |
| Lightness | medium-light (78%) |
| Chroma | muted (0.030) |
| Temperature | cool |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 10.47:1 |
| White text | 2.00:1 |
Values
| HEX | #ACB8CB |
| RGB | rgb(172, 184, 203) |
| HSL | hsl(217, 23%, 74%) |
| OKLCH | oklch(77.9% 0.03 259.6) |
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 #ACB8CB | 2.00:1 | Fails | Lc -43.3 | Non-text elements, placeholder text |
| Black text on #ACB8CB | 10.47:1 | AAA | Lc 65.0 | Content text, not long reading |
| #ACB8CB text on white | 2.00:1 | Fails | Lc 38.9 | Non-text elements, placeholder text |
| #ACB8CB text on black | 10.47:1 | AAA | Lc -63.5 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D3DAE4
oklch(88.6% 0.016 257.2)
-
Step 300
300 (this color)
#ACB8CB
oklch(77.9% 0.03 259.6)
-
Step 400
400
#8FA2BF
oklch(70.7% 0.048 258.7)
-
Step 500
500
#738BAF
oklch(63.2% 0.061 258.3)
-
Step 600
600
#5C749B
oklch(55.6% 0.067 259.9)
-
Step 700
700
#4C6184
oklch(49% 0.062 260.4)
-
Step 800
800
#3E506C
oklch(42.8% 0.052 259.1)
-
Step 900
900
#354257
oklch(37.7% 0.04 259.9)
-
Step 950
950
#1F2733
oklch(27.1% 0.025 258.3)
#ACB8CB 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) | #B2B9CC | 0.009 |
| Deuteranopia (no green cones) | #AFB6CB | 0.006 |
| Tritanopia (no blue cones) | #A5BCBE | 0.027 |
| Achromatopsia (no color) | #B7B7B7 | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACB8CB
#ACB8CB
oklch(77.9% 0.03 259.6)
- #C2B5A2
#C2B5A2
oklch(77.9% 0.03 77.5)
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 #ACB8CB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.019
- Light Grey Blue #9DBCD4 ΔE 0.022
- Cloudy Blue #ACC2D9 ΔE 0.028
- Light Cornflower Blue #98C1D9 ΔE 0.033
- Light Steel Blue #B0C4DE ΔE 0.037
- Silver #C0C0C0 ΔE 0.042
- Light Blue Grey #B7C9E2 ΔE 0.052
- Dark Gray #A9A9A9 ΔE 0.054
Use #ACB8CB 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.