#AAADD4
Closest named color: Light Grey Blue (#9DBCD4). oklch(75.8% 0.056 281.5), rgb(170, 173, 212).
Aa
Black text reads best on this color (9.63:1).
About this color
#AAADD4 is a medium-light, muted purple. In OKLCH its lightness is 76%, its chroma 0.056 and its hue 282°. 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 9.63:1.
| Hue family | Purples |
| Lightness | medium-light (76%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.63:1 |
| White text | 2.17:1 |
Values
| HEX | #AAADD4 |
| RGB | rgb(170, 173, 212) |
| HSL | hsl(236, 33%, 75%) |
| OKLCH | oklch(75.8% 0.056 281.5) |
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 #AAADD4 | 2.17:1 | Fails | Lc -47.6 | Large or bold text, headings |
| Black text on #AAADD4 | 9.63:1 | AAA | Lc 61.1 | Content text, not long reading |
| #AAADD4 text on white | 2.17:1 | Fails | Lc 42.9 | Non-text elements, placeholder text |
| #AAADD4 text on black | 9.63:1 | 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
#E8E9F5
oklch(93.7% 0.016 282.3)
-
Step 200
200
#D5D7EE
oklch(88.5% 0.032 281.8)
-
Step 300
300 (this color)
#AAADD4
oklch(75.8% 0.056 281.5)
-
Step 400
400
#979AD7
oklch(70.7% 0.089 281.7)
-
Step 500
500
#7E80CD
oklch(63.1% 0.115 281.4)
-
Step 600
600
#6868BA
oklch(55.6% 0.125 281.5)
-
Step 700
700
#5756A0
oklch(49% 0.116 281.8)
-
Step 800
800
#474782
oklch(42.7% 0.096 281.5)
-
Step 900
900
#3B3C68
oklch(37.7% 0.074 281.2)
-
Step 950
950
#23233D
oklch(27% 0.048 282.7)
#AAADD4 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) | #A3B1D6 | 0.013 |
| Deuteranopia (no green cones) | #A1AED3 | 0.012 |
| Tritanopia (no blue cones) | #A1B4BA | 0.050 |
| Achromatopsia (no color) | #B0B0B0 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAADD4
#AAADD4
oklch(75.8% 0.056 281.5)
- #B8B289
#B8B289
oklch(75.8% 0.056 100.6)
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 #AAADD4, 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 0.046
- Light Cornflower Blue #98C1D9 ΔE 0.054
- Cloudy Blue #ACC2D9 ΔE 0.056
- Cool Steel #97A7B3 ΔE 0.056
- Dark Gray #A9A9A9 ΔE 0.061
- Light Steel Blue #B0C4DE ΔE 0.061
- Pastel Blue #A2BFFE ΔE 0.065
Use #AAADD4 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.