#ADADD3
Closest named color: Light Grey Blue (#9DBCD4). oklch(76% 0.054 285), rgb(173, 173, 211).
Aa
Black text reads best on this color (9.69:1).
About this color
#ADADD3 is a medium-light, muted purple. In OKLCH its lightness is 76%, its chroma 0.054 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.043 away. Black text reads best on it, at 9.69:1.
| Hue family | Purples |
| Lightness | medium-light (76%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.69:1 |
| White text | 2.16:1 |
Values
| HEX | #ADADD3 |
| RGB | rgb(173, 173, 211) |
| HSL | hsl(240, 30%, 75%) |
| OKLCH | oklch(76% 0.054 285) |
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 #ADADD3 | 2.16:1 | Fails | Lc -47.3 | Large or bold text, headings |
| Black text on #ADADD3 | 9.69:1 | AAA | Lc 61.4 | Content text, not long reading |
| #ADADD3 text on white | 2.16:1 | Fails | Lc 42.6 | Non-text elements, placeholder text |
| #ADADD3 text on black | 9.69:1 | AAA | Lc -59.6 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E8E9F4
oklch(93.6% 0.015 281.9)
-
Step 200
200
#D6D7ED
oklch(88.5% 0.03 283.7)
-
Step 300
300 (this color)
#ADADD3
oklch(76% 0.054 285)
-
Step 400
400
#9B99D5
oklch(70.7% 0.087 285.5)
-
Step 500
500
#837FCA
oklch(63.1% 0.111 285.2)
-
Step 600
600
#6D67B6
oklch(55.5% 0.12 285.2)
-
Step 700
700
#5B569D
oklch(49.2% 0.111 284.7)
-
Step 800
800
#4A467F
oklch(42.6% 0.093 284.9)
-
Step 900
900
#3E3B66
oklch(37.6% 0.072 285.5)
-
Step 950
950
#24233C
oklch(27% 0.046 284.7)
#ADADD3 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) | #A4B1D5 | 0.015 |
| Deuteranopia (no green cones) | #A3AFD2 | 0.014 |
| Tritanopia (no blue cones) | #A5B3BA | 0.046 |
| Achromatopsia (no color) | #B0B0B0 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADADD3
#ADADD3
oklch(76% 0.054 285)
- #B6B48C
#B6B48C
oklch(76.1% 0.055 105.2)
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 #ADADD3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.043
- French Gray #ADB5BD ΔE 0.044
- Cloudy Blue #ACC2D9 ΔE 0.055
- Light Cornflower Blue #98C1D9 ΔE 0.055
- Cool Steel #97A7B3 ΔE 0.057
- Light Steel Blue #B0C4DE ΔE 0.060
- Dark Gray #A9A9A9 ΔE 0.060
- Pastel Blue #A2BFFE ΔE 0.066
Use #ADADD3 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.