#A9ADE3
Closest named color: Pastel Blue (#A2BFFE). oklch(76.4% 0.077 281.1), rgb(169, 173, 227).
Aa
Black text reads best on this color (9.77:1).
About this color
#A9ADE3 is a medium-light, moderately saturated purple. In OKLCH its lightness is 76%, its chroma 0.077 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.052 away. Black text reads best on it, at 9.77:1.
| Hue family | Purples |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 9.77:1 |
| White text | 2.14:1 |
Values
| HEX | #A9ADE3 |
| RGB | rgb(169, 173, 227) |
| HSL | hsl(236, 51%, 78%) |
| OKLCH | oklch(76.4% 0.077 281.1) |
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 #A9ADE3 | 2.14:1 | Fails | Lc -46.9 | Large or bold text, headings |
| Black text on #A9ADE3 | 9.77:1 | AAA | Lc 61.8 | Content text, not long reading |
| #A9ADE3 text on white | 2.14:1 | Fails | Lc 42.2 | Non-text elements, placeholder text |
| #A9ADE3 text on black | 9.77:1 | AAA | Lc -60.0 | Content text, not long reading |
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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E7E8F9
oklch(93.5% 0.023 283.3)
-
Step 200
200
#D3D6F6
oklch(88.4% 0.044 281.2)
-
Step 300
300 (this color)
#A9ADE3
oklch(76.4% 0.077 281.1)
-
Step 400
400
#9397EC
oklch(70.8% 0.123 280.7)
-
Step 500
500
#7B7AE6
oklch(63.1% 0.159 281.3)
-
Step 600
600
#6561D4
oklch(55.7% 0.172 280.8)
-
Step 700
700
#544FB7
oklch(49% 0.159 280.9)
-
Step 800
800
#454194
oklch(42.6% 0.132 281.4)
-
Step 900
900
#393876
oklch(37.6% 0.103 280.9)
-
Step 950
950
#212145
oklch(26.8% 0.066 281)
#A9ADE3 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) | #9EB3E5 | 0.020 |
| Deuteranopia (no green cones) | #9CAFE2 | 0.018 |
| Tritanopia (no blue cones) | #9BB7C0 | 0.068 |
| Achromatopsia (no color) | #B1B1B1 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A9ADE3
#A9ADE3
oklch(76.4% 0.077 281.1)
- #BCB47A
#BCB47A
oklch(76.3% 0.077 101.3)
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 #A9ADE3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.052
- Carolina Blue #8AB8FE ΔE 0.052
- Light Grey Blue #9DBCD4 ΔE 0.053
- Light Cornflower Blue #98C1D9 ΔE 0.062
- Cloudy Blue #ACC2D9 ΔE 0.063
- Pale Violet #CEAEFA ΔE 0.064
- French Gray #ADB5BD ΔE 0.066
- Light Steel Blue #B0C4DE ΔE 0.066
Use #A9ADE3 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.