#AAADD3
Closest named color: Light Grey Blue (#9DBCD4). oklch(75.8% 0.054 281.5), rgb(170, 173, 211).
Aa
Black text reads best on this color (9.62:1).
About this color
#AAADD3 is a medium-light, muted purple. In OKLCH its lightness is 76%, its chroma 0.054 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.042 away. Black text reads best on it, at 9.62:1.
| Hue family | Purples |
| Lightness | medium-light (76%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.62:1 |
| White text | 2.18:1 |
Values
| HEX | #AAADD3 |
| RGB | rgb(170, 173, 211) |
| HSL | hsl(236, 32%, 75%) |
| OKLCH | oklch(75.8% 0.054 281.5) |
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 #AAADD3 | 2.18:1 | Fails | Lc -47.6 | Large or bold text, headings |
| Black text on #AAADD3 | 9.62:1 | AAA | Lc 61.0 | Content text, not long reading |
| #AAADD3 text on white | 2.18:1 | Fails | Lc 42.9 | Non-text elements, placeholder text |
| #AAADD3 text on black | 9.62:1 | AAA | Lc -59.3 | 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 300.
-
Step 50
50
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E8E9F4
oklch(93.6% 0.015 281.9)
-
Step 200
200
#D5D7ED
oklch(88.4% 0.03 281.6)
-
Step 300
300 (this color)
#AAADD3
oklch(75.8% 0.054 281.5)
-
Step 400
400
#979AD6
oklch(70.6% 0.087 281.7)
-
Step 500
500
#7E80CB
oklch(63% 0.112 281.5)
-
Step 600
600
#6869B8
oklch(55.6% 0.121 281.2)
-
Step 700
700
#57579E
oklch(49.1% 0.112 281.5)
-
Step 800
800
#474780
oklch(42.6% 0.093 281.7)
-
Step 900
900
#3B3C67
oklch(37.6% 0.073 281.3)
-
Step 950
950
#23233C
oklch(26.9% 0.046 282.9)
#AAADD3 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) | #A3B1D5 | 0.013 |
| Deuteranopia (no green cones) | #A1AED2 | 0.012 |
| Tritanopia (no blue cones) | #A1B4BA | 0.048 |
| Achromatopsia (no color) | #AFAFAF | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAADD3
#AAADD3
oklch(75.8% 0.054 281.5)
- #B7B28A
#B7B28A
oklch(75.7% 0.055 101.7)
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 #AAADD3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.042
- French Gray #ADB5BD ΔE 0.044
- Light Cornflower Blue #98C1D9 ΔE 0.054
- Cool Steel #97A7B3 ΔE 0.055
- Cloudy Blue #ACC2D9 ΔE 0.055
- Dark Gray #A9A9A9 ΔE 0.059
- Light Steel Blue #B0C4DE ΔE 0.061
- Pastel Blue #A2BFFE ΔE 0.066
Use #AAADD3 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.