#AAA5C9
Closest named color: Cool Steel (#97A7B3). oklch(73.8% 0.052 291.4), rgb(170, 165, 201).
Aa
Black text reads best on this color (8.93:1).
About this color
#AAA5C9 is a medium-light, muted purple. In OKLCH its lightness is 74%, its chroma 0.052 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Cool Steel (#97A7B3), ΔE 0.045 away. Black text reads best on it, at 8.93:1.
| Hue family | Purples |
| Lightness | medium-light (74%) |
| Chroma | muted (0.052) |
| Temperature | in between |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 8.93:1 |
| White text | 2.35:1 |
Values
| HEX | #AAA5C9 |
| RGB | rgb(170, 165, 201) |
| HSL | hsl(248, 25%, 72%) |
| OKLCH | oklch(73.8% 0.052 291.4) |
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 #AAA5C9 | 2.35:1 | Fails | Lc -51.3 | Large or bold text, headings |
| Black text on #AAA5C9 | 8.93:1 | AAA | Lc 57.6 | Large or bold text, headings |
| #AAA5C9 text on white | 2.35:1 | Fails | Lc 46.3 | Large or bold text, headings |
| #AAA5C9 text on black | 8.93:1 | AAA | Lc -55.7 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#EAE9F0
oklch(93.7% 0.009 292.8)
-
Step 200
200
#D9D7E4
oklch(88.5% 0.018 293.1)
-
Step 300
300
#C0BDD4
oklch(80.8% 0.032 291.7)
-
Step 400
400 (this color)
#AAA5C9
oklch(73.8% 0.052 291.4)
-
Step 500
500
#8983AF
oklch(63.1% 0.066 290.6)
-
Step 600
600
#736C9A
oklch(55.6% 0.071 290.9)
-
Step 700
700
#615A84
oklch(49.1% 0.067 291.4)
-
Step 800
800
#4F4A6B
oklch(42.8% 0.054 290.9)
-
Step 900
900
#423E57
oklch(37.8% 0.042 291.6)
-
Step 950
950
#262433
oklch(26.9% 0.028 290.5)
#AAA5C9 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) | #9DAACB | 0.021 |
| Deuteranopia (no green cones) | #9DA8C8 | 0.019 |
| Tritanopia (no blue cones) | #A4ABB1 | 0.045 |
| Achromatopsia (no color) | #A9A9A9 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAA5C9
#AAA5C9
oklch(73.8% 0.052 291.4)
- #ABAE88
#ABAE88
oklch(73.8% 0.052 111.3)
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 #AAA5C9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Steel #97A7B3 ΔE 0.045
- Dark Gray #A9A9A9 ΔE 0.052
- French Gray #ADB5BD ΔE 0.053
- Light Grey Blue #9DBCD4 ΔE 0.060
- Cool Grey #95A3A6 ΔE 0.061
- Bluey Grey #89A0B0 ΔE 0.061
- Bluegrey #85A3B2 ΔE 0.063
- Pale Purple #B790D4 ΔE 0.063
Use #AAA5C9 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.