#A1B3BC
Closest named color: French Gray (#ADB5BD). oklch(75.6% 0.024 229.2), rgb(161, 179, 188).
Aa
Black text reads best on this color (9.68:1).
About this color
#A1B3BC is a medium-light close to neutral grey. In OKLCH its lightness is 76%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is French Gray (#ADB5BD), ΔE 0.018 away. Black text reads best on it, at 9.68:1.
| Hue family | Neutrals |
| Lightness | medium-light (76%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 9.68:1 |
| White text | 2.16:1 |
Values
| HEX | #A1B3BC |
| RGB | rgb(161, 179, 188) |
| HSL | hsl(200, 17%, 68%) |
| OKLCH | oklch(75.6% 0.024 229.2) |
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 #A1B3BC | 2.16:1 | Fails | Lc -47.3 | Large or bold text, headings |
| Black text on #A1B3BC | 9.68:1 | AAA | Lc 61.3 | Content text, not long reading |
| #A1B3BC text on white | 2.16:1 | Fails | Lc 42.6 | Non-text elements, placeholder text |
| #A1B3BC text on black | 9.68:1 | AAA | Lc -59.6 | Large or bold text, headings |
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 400.
-
Step 50
50
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E7EAEC
oklch(93.5% 0.004 236.5)
-
Step 200
200
#D4DADD
oklch(88.5% 0.008 228.9)
-
Step 300
300
#B7C3C8
oklch(80.9% 0.015 224.5)
-
Step 400
400 (this color)
#A1B3BC
oklch(75.6% 0.024 229.2)
-
Step 500
500
#778D98
oklch(63% 0.03 229.5)
-
Step 600
600
#607783
oklch(55.5% 0.033 230.8)
-
Step 700
700
#4F646F
oklch(49% 0.031 231)
-
Step 800
800
#41525A
oklch(42.7% 0.025 228.1)
-
Step 900
900
#37444A
oklch(37.7% 0.02 227.5)
-
Step 950
950
#20282B
oklch(27% 0.013 222.5)
#A1B3BC 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) | #AEB2BD | 0.018 |
| Deuteranopia (no green cones) | #AAAFBC | 0.015 |
| Tritanopia (no blue cones) | #9AB6B6 | 0.017 |
| Achromatopsia (no color) | #B0B0B0 | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A1B3BC
#A1B3BC
oklch(75.6% 0.024 229.2)
- #BDACA3
#BDACA3
oklch(75.6% 0.024 49.8)
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 #A1B3BC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.018
- Dark Gray #A9A9A9 ΔE 0.032
- Light Grey Blue #9DBCD4 ΔE 0.035
- Cool Steel #97A7B3 ΔE 0.036
- Pewter #96A8A1 ΔE 0.046
- Light Cornflower Blue #98C1D9 ΔE 0.046
- Cool Grey #95A3A6 ΔE 0.051
- Cloudy Blue #ACC2D9 ΔE 0.053
Use #A1B3BC 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.