#A3B4BB
Closest named color: French Gray (#ADB5BD). oklch(75.9% 0.021 224.4), rgb(163, 180, 187).
Aa
Black text reads best on this color (9.80:1).
About this color
#A3B4BB is a medium-light close to neutral grey. In OKLCH its lightness is 76%, its chroma 0.021. It has too little chroma to lean warm or cool. The nearest named color is French Gray (#ADB5BD), ΔE 0.014 away. Black text reads best on it, at 9.80:1.
| Hue family | Neutrals |
| Lightness | medium-light (76%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 9.80:1 |
| White text | 2.14:1 |
Values
| HEX | #A3B4BB |
| RGB | rgb(163, 180, 187) |
| HSL | hsl(197, 15%, 69%) |
| OKLCH | oklch(75.9% 0.021 224.4) |
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 #A3B4BB | 2.14:1 | Fails | Lc -46.7 | Large or bold text, headings |
| Black text on #A3B4BB | 9.80:1 | AAA | Lc 61.9 | Content text, not long reading |
| #A3B4BB text on white | 2.14:1 | Fails | Lc 42.1 | Non-text elements, placeholder text |
| #A3B4BB text on black | 9.80:1 | AAA | Lc -60.2 | 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
#E6EBED
oklch(93.7% 0.006 223.5)
-
Step 200
200
#D1DBDF
oklch(88.5% 0.012 223.5)
-
Step 300
300 (this color)
#A3B4BB
oklch(75.9% 0.021 224.4)
-
Step 400
400
#8AA6B1
oklch(70.8% 0.035 223.6)
-
Step 500
500
#6D909D
oklch(63.2% 0.044 222.7)
-
Step 600
600
#547A88
oklch(55.6% 0.048 222.9)
-
Step 700
700
#456674
oklch(49% 0.044 226.4)
-
Step 800
800
#39545E
oklch(42.8% 0.036 223)
-
Step 900
900
#31454D
oklch(37.7% 0.029 224.6)
-
Step 950
950
#1D282D
oklch(26.9% 0.018 227.5)
#A3B4BB 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) | #B0B3BB | 0.017 |
| Deuteranopia (no green cones) | #ACB0BB | 0.015 |
| Tritanopia (no blue cones) | #9DB6B6 | 0.013 |
| Achromatopsia (no color) | #B1B1B1 | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3B4BB
#A3B4BB
oklch(75.9% 0.021 224.4)
- #BDADA6
#BDADA6
oklch(75.9% 0.021 45.2)
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 #A3B4BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.014
- Dark Gray #A9A9A9 ΔE 0.032
- Light Grey Blue #9DBCD4 ΔE 0.035
- Cool Steel #97A7B3 ΔE 0.040
- Light Cornflower Blue #98C1D9 ΔE 0.046
- Pewter #96A8A1 ΔE 0.048
- Cloudy Blue #ACC2D9 ΔE 0.051
- Silver #C0C0C0 ΔE 0.053
Use #A3B4BB 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.