#A3AAB3
Closest named color: Dark Gray (#A9A9A9). oklch(73.5% 0.015 254.6), rgb(163, 170, 179).
Aa
Black text reads best on this color (8.95:1).
About this color
#A3AAB3 is a medium-light close to neutral grey. In OKLCH its lightness is 74%, its chroma 0.015. It has too little chroma to lean warm or cool. The nearest named color is Dark Gray (#A9A9A9), ΔE 0.015 away. Black text reads best on it, at 8.95:1.
| Hue family | Neutrals |
| Lightness | medium-light (74%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | Dark Gray (#A9A9A9) |
| Black text | 8.95:1 |
| White text | 2.34:1 |
Values
| HEX | #A3AAB3 |
| RGB | rgb(163, 170, 179) |
| HSL | hsl(214, 10%, 67%) |
| OKLCH | oklch(73.5% 0.015 254.6) |
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 #A3AAB3 | 2.34:1 | Fails | Lc -51.2 | Large or bold text, headings |
| Black text on #A3AAB3 | 8.95:1 | AAA | Lc 57.7 | Large or bold text, headings |
| #A3AAB3 text on white | 2.34:1 | Fails | Lc 46.2 | Large or bold text, headings |
| #A3AAB3 text on black | 8.95:1 | AAA | Lc -55.8 | 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
#F5F5F6
oklch(97% 0.001 286.4)
-
Step 100
100
#E8EAEC
oklch(93.6% 0.003 247.9)
-
Step 200
200
#D7D9DD
oklch(88.5% 0.006 264.5)
-
Step 300
300
#BCC1C7
oklch(80.9% 0.01 252.8)
-
Step 400
400 (this color)
#A3AAB3
oklch(73.5% 0.015 254.6)
-
Step 500
500
#828A95
oklch(63% 0.019 256.3)
-
Step 600
600
#6B7480
oklch(55.6% 0.022 255.6)
-
Step 700
700
#59616C
oklch(49% 0.02 256.3)
-
Step 800
800
#495058
oklch(42.8% 0.016 251.7)
-
Step 900
900
#3D4248
oklch(37.7% 0.012 253)
-
Step 950
950
#24272A
oklch(27.1% 0.007 248.1)
#A3AAB3 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) | #A7AAB3 | 0.006 |
| Deuteranopia (no green cones) | #A5A9B3 | 0.004 |
| Tritanopia (no blue cones) | #9FACAD | 0.013 |
| Achromatopsia (no color) | #A9A9A9 | 0.015 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3AAB3
#A3AAB3
oklch(73.5% 0.015 254.6)
- #AFA89F
#AFA89F
oklch(73.5% 0.015 74.4)
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 #A3AAB3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Gray #A9A9A9 ΔE 0.015
- Cool Steel #97A7B3 ΔE 0.019
- Cool Grey #95A3A6 ΔE 0.032
- Pewter #96A8A1 ΔE 0.033
- French Gray #ADB5BD ΔE 0.034
- Cement #A5A391 ΔE 0.046
- Bluegrey #85A3B2 ΔE 0.046
- Bluey Grey #89A0B0 ΔE 0.047
Use #A3AAB3 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.