#A1B0BB
Closest named color: French Gray (#ADB5BD). oklch(74.9% 0.023 239.5), rgb(161, 176, 187).
Aa
Black text reads best on this color (9.44:1).
About this color
#A1B0BB is a medium-light close to neutral grey. In OKLCH its lightness is 75%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is French Gray (#ADB5BD), ΔE 0.022 away. Black text reads best on it, at 9.44:1.
| Hue family | Neutrals |
| Lightness | medium-light (75%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 9.44:1 |
| White text | 2.22:1 |
Values
| HEX | #A1B0BB |
| RGB | rgb(161, 176, 187) |
| HSL | hsl(205, 16%, 68%) |
| OKLCH | oklch(74.9% 0.023 239.5) |
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 #A1B0BB | 2.22:1 | Fails | Lc -48.6 | Large or bold text, headings |
| Black text on #A1B0BB | 9.44:1 | AAA | Lc 60.1 | Content text, not long reading |
| #A1B0BB text on white | 2.22:1 | Fails | Lc 43.8 | Non-text elements, placeholder text |
| #A1B0BB text on black | 9.44:1 | AAA | Lc -58.3 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAEC
oklch(93.5% 0.004 236.5)
-
Step 200
200
#D4DADE
oklch(88.5% 0.009 236.6)
-
Step 300
300
#B9C2C9
oklch(80.9% 0.014 241)
-
Step 400
400 (this color)
#A1B0BB
oklch(74.9% 0.023 239.5)
-
Step 500
500
#7A8C9A
oklch(63.1% 0.03 241.4)
-
Step 600
600
#637684
oklch(55.5% 0.031 240.1)
-
Step 700
700
#526370
oklch(49% 0.029 241.2)
-
Step 800
800
#43515B
oklch(42.7% 0.024 239.2)
-
Step 900
900
#39434B
oklch(37.7% 0.019 242.3)
-
Step 950
950
#21272C
oklch(26.9% 0.013 243.3)
#A1B0BB 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) | #ABB0BC | 0.014 |
| Deuteranopia (no green cones) | #A8ADBB | 0.012 |
| Tritanopia (no blue cones) | #9AB3B3 | 0.019 |
| Achromatopsia (no color) | #AEAEAE | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A1B0BB
#A1B0BB
oklch(74.9% 0.023 239.5)
- #B9AB9F
#B9AB9F
oklch(75% 0.023 63.1)
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 #A1B0BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.022
- Dark Gray #A9A9A9 ΔE 0.027
- Cool Steel #97A7B3 ΔE 0.029
- Light Grey Blue #9DBCD4 ΔE 0.040
- Pewter #96A8A1 ΔE 0.042
- Cool Grey #95A3A6 ΔE 0.045
- Light Cornflower Blue #98C1D9 ΔE 0.052
- Bluegrey #85A3B2 ΔE 0.054
Use #A1B0BB 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.