#A1ACBD
Closest named color: Cool Steel (#97A7B3). oklch(74.1% 0.027 259), rgb(161, 172, 189).
Aa
Black text reads best on this color (9.15:1).
About this color
#A1ACBD is a medium-light close to neutral grey. In OKLCH its lightness is 74%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Cool Steel (#97A7B3), ΔE 0.023 away. Black text reads best on it, at 9.15:1.
| Hue family | Neutrals |
| Lightness | medium-light (74%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 9.15:1 |
| White text | 2.29:1 |
Values
| HEX | #A1ACBD |
| RGB | rgb(161, 172, 189) |
| HSL | hsl(216, 18%, 69%) |
| OKLCH | oklch(74.1% 0.027 259) |
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 #A1ACBD | 2.29:1 | Fails | Lc -50.1 | Large or bold text, headings |
| Black text on #A1ACBD | 9.15:1 | AAA | Lc 58.7 | Large or bold text, headings |
| #A1ACBD text on white | 2.29:1 | Fails | Lc 45.3 | Large or bold text, headings |
| #A1ACBD text on black | 9.15:1 | AAA | Lc -56.8 | 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
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E8EAED
oklch(93.6% 0.005 258.3)
-
Step 200
200
#D5D9E0
oklch(88.4% 0.011 261.8)
-
Step 300
300
#BAC1CC
oklch(80.9% 0.017 259.4)
-
Step 400
400 (this color)
#A1ACBD
oklch(74.1% 0.027 259)
-
Step 500
500
#7D8A9F
oklch(63% 0.035 260)
-
Step 600
600
#66748A
oklch(55.5% 0.038 259.4)
-
Step 700
700
#556175
oklch(49% 0.035 260.6)
-
Step 800
800
#45505F
oklch(42.7% 0.029 256.2)
-
Step 900
900
#3A424E
oklch(37.7% 0.023 258.4)
-
Step 950
950
#22272E
oklch(27.1% 0.015 256.8)
#A1ACBD 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) | #A7ADBE | 0.009 |
| Deuteranopia (no green cones) | #A4AABD | 0.006 |
| Tritanopia (no blue cones) | #9AAFB1 | 0.024 |
| Achromatopsia (no color) | #ABABAB | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A1ACBD
#A1ACBD
oklch(74.1% 0.027 259)
- #B5AA98
#B5AA98
oklch(74.2% 0.028 80.2)
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 #A1ACBD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Steel #97A7B3 ΔE 0.023
- Dark Gray #A9A9A9 ΔE 0.028
- French Gray #ADB5BD ΔE 0.031
- Cool Grey #95A3A6 ΔE 0.041
- Pewter #96A8A1 ΔE 0.044
- Light Grey Blue #9DBCD4 ΔE 0.046
- Bluegrey #85A3B2 ΔE 0.048
- Bluey Grey #89A0B0 ΔE 0.050
Use #A1ACBD 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.