#A3B9BF
Closest named color: French Gray (#ADB5BD). oklch(77.1% 0.026 216), rgb(163, 185, 191).
Aa
Black text reads best on this color (10.24:1).
About this color
#A3B9BF is a medium-light close to neutral grey. In OKLCH its lightness is 77%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is French Gray (#ADB5BD), ΔE 0.016 away. Black text reads best on it, at 10.24:1.
| Hue family | Neutrals |
| Lightness | medium-light (77%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 10.24:1 |
| White text | 2.04:1 |
Values
| HEX | #A3B9BF |
| RGB | rgb(163, 185, 191) |
| HSL | hsl(193, 18%, 69%) |
| OKLCH | oklch(77.1% 0.026 216) |
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 #A3B9BF | 2.04:1 | Fails | Lc -44.5 | Non-text elements, placeholder text |
| Black text on #A3B9BF | 10.24:1 | AAA | Lc 64.0 | Content text, not long reading |
| #A3B9BF text on white | 2.04:1 | Fails | Lc 39.9 | Non-text elements, placeholder text |
| #A3B9BF text on black | 10.24:1 | AAA | Lc -62.4 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBED
oklch(93.6% 0.007 219.6)
-
Step 200
200
#CFDCDF
oklch(88.6% 0.015 213.1)
-
Step 300
300 (this color)
#A3B9BF
oklch(77.1% 0.026 216)
-
Step 400
400
#84A8B1
oklch(70.8% 0.041 214.7)
-
Step 500
500
#64929E
oklch(63.1% 0.053 215.8)
-
Step 600
600
#4A7C89
oklch(55.6% 0.057 216.2)
-
Step 700
700
#3B6874
oklch(49% 0.053 216.9)
-
Step 800
800
#31555E
oklch(42.6% 0.044 215.5)
-
Step 900
900
#2C464D
oklch(37.6% 0.034 216.5)
-
Step 950
950
#1A292D
oklch(26.9% 0.022 216.2)
#A3B9BF 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) | #B5B7BF | 0.024 |
| Deuteranopia (no green cones) | #B0B3BF | 0.022 |
| Tritanopia (no blue cones) | #9BBBBB | 0.014 |
| Achromatopsia (no color) | #B5B5B5 | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3B9BF
#A3B9BF
oklch(77.1% 0.026 216)
- #C4AFA9
#C4AFA9
oklch(77% 0.026 36.5)
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 #A3B9BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.016
- Light Grey Blue #9DBCD4 ΔE 0.029
- Light Cornflower Blue #98C1D9 ΔE 0.037
- Cloudy Blue #ACC2D9 ΔE 0.042
- Dark Gray #A9A9A9 ΔE 0.044
- Silver #C0C0C0 ΔE 0.045
- Light Steel Blue #B0C4DE ΔE 0.051
- Cool Steel #97A7B3 ΔE 0.052
Use #A3B9BF 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.