#AAA5B3
Closest named color: Dark Gray (#A9A9A9). oklch(73% 0.021 302.1), rgb(170, 165, 179).
Aa
Black text reads best on this color (8.74:1).
About this color
#AAA5B3 is a medium-light close to neutral grey. In OKLCH its lightness is 73%, its chroma 0.021. It has too little chroma to lean warm or cool. The nearest named color is Dark Gray (#A9A9A9), ΔE 0.021 away. Black text reads best on it, at 8.74:1.
| Hue family | Neutrals |
| Lightness | medium-light (73%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | Dark Gray (#A9A9A9) |
| Black text | 8.74:1 |
| White text | 2.40:1 |
Values
| HEX | #AAA5B3 |
| RGB | rgb(170, 165, 179) |
| HSL | hsl(261, 8%, 67%) |
| OKLCH | oklch(73% 0.021 302.1) |
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 #AAA5B3 | 2.40:1 | Fails | Lc -52.3 | Large or bold text, headings |
| Black text on #AAA5B3 | 8.74:1 | AAA | Lc 56.7 | Large or bold text, headings |
| #AAA5B3 text on white | 2.40:1 | Fails | Lc 47.3 | Large or bold text, headings |
| #AAA5B3 text on black | 8.74:1 | AAA | Lc -54.7 | 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
#EAE9EC
oklch(93.6% 0.004 301.4)
-
Step 200
200
#DAD8DD
oklch(88.5% 0.007 304.2)
-
Step 300
300
#C2BFC8
oklch(81% 0.013 301.2)
-
Step 400
400 (this color)
#AAA5B3
oklch(73% 0.021 302.1)
-
Step 500
500
#8C8697
oklch(63.1% 0.026 301.7)
-
Step 600
600
#767082
oklch(55.7% 0.028 300.7)
-
Step 700
700
#635D6E
oklch(49% 0.028 301.5)
-
Step 800
800
#514C59
oklch(42.6% 0.022 302.9)
-
Step 900
900
#434049
oklch(37.8% 0.016 300.8)
-
Step 950
950
#27252B
oklch(26.9% 0.011 300.8)
#AAA5B3 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) | #A3A7B4 | 0.010 |
| Deuteranopia (no green cones) | #A3A7B3 | 0.011 |
| Tritanopia (no blue cones) | #A9A7A9 | 0.017 |
| Achromatopsia (no color) | #A7A7A7 | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAA5B3
#AAA5B3
oklch(73% 0.021 302.1)
- #A5AA9C
#A5AA9C
oklch(73% 0.021 123)
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 #AAA5B3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Gray #A9A9A9 ΔE 0.021
- Cool Steel #97A7B3 ΔE 0.026
- Cool Grey #95A3A6 ΔE 0.037
- Pewter #96A8A1 ΔE 0.042
- French Gray #ADB5BD ΔE 0.042
- Bluey Grey #89A0B0 ΔE 0.049
- Cement #A5A391 ΔE 0.049
- Bluegrey #85A3B2 ΔE 0.051
Use #AAA5B3 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.