#A1B9BC
Closest named color: French Gray (#ADB5BD). oklch(76.9% 0.027 205.8), rgb(161, 185, 188).
Aa
Black text reads best on this color (10.18:1).
About this color
#A1B9BC is a medium-light close to neutral grey. In OKLCH its lightness is 77%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is French Gray (#ADB5BD), ΔE 0.019 away. Black text reads best on it, at 10.18:1.
| Hue family | Neutrals |
| Lightness | medium-light (77%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 10.18:1 |
| White text | 2.06:1 |
Values
| HEX | #A1B9BC |
| RGB | rgb(161, 185, 188) |
| HSL | hsl(187, 17%, 68%) |
| OKLCH | oklch(76.9% 0.027 205.8) |
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 #A1B9BC | 2.06:1 | Fails | Lc -44.8 | Non-text elements, placeholder text |
| Black text on #A1B9BC | 10.18:1 | AAA | Lc 63.7 | Content text, not long reading |
| #A1B9BC text on white | 2.06:1 | Fails | Lc 40.2 | Non-text elements, placeholder text |
| #A1B9BC text on black | 10.18:1 | AAA | Lc -62.1 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4EBEC
oklch(93.5% 0.008 207.1)
-
Step 200
200
#CFDCDE
oklch(88.5% 0.014 207.9)
-
Step 300
300 (this color)
#A1B9BC
oklch(76.9% 0.027 205.8)
-
Step 400
400
#82A9AE
oklch(70.8% 0.043 206)
-
Step 500
500
#61939A
oklch(63% 0.054 207)
-
Step 600
600
#467D84
oklch(55.5% 0.059 206.2)
-
Step 700
700
#376A70
oklch(49.1% 0.056 205.5)
-
Step 800
800
#2F565B
oklch(42.6% 0.045 206.2)
-
Step 900
900
#2A474B
oklch(37.7% 0.035 206.9)
-
Step 950
950
#192A2C
oklch(27.1% 0.023 205.2)
#A1B9BC 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) | #B5B7BC | 0.026 |
| Deuteranopia (no green cones) | #B0B3BC | 0.024 |
| Tritanopia (no blue cones) | #99BBBA | 0.012 |
| Achromatopsia (no color) | #B4B4B4 | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A1B9BC
#A1B9BC
oklch(76.9% 0.027 205.8)
- #C4AEAB
#C4AEAB
oklch(76.9% 0.026 27)
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 #A1B9BC, 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 0.033
- Light Cornflower Blue #98C1D9 ΔE 0.040
- Dark Gray #A9A9A9 ΔE 0.043
- Cloudy Blue #ACC2D9 ΔE 0.046
- Silver #C0C0C0 ΔE 0.047
- Cool Steel #97A7B3 ΔE 0.051
- Pewter #96A8A1 ΔE 0.055
Use #A1B9BC 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.