#A9ADE4
Closest named color: Pastel Blue (#A2BFFE). oklch(76.4% 0.079 281.1), rgb(169, 173, 228).
Aa
Black text reads best on this color (9.78:1).
About this color
#A9ADE4 is a medium-light, moderately saturated purple. In OKLCH its lightness is 76%, its chroma 0.079 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.051 away. Black text reads best on it, at 9.78:1.
| Hue family | Purples |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 9.78:1 |
| White text | 2.14:1 |
Values
| HEX | #A9ADE4 |
| RGB | rgb(169, 173, 228) |
| HSL | hsl(236, 52%, 78%) |
| OKLCH | oklch(76.4% 0.079 281.1) |
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 #A9ADE4 | 2.14:1 | Fails | Lc -46.8 | Large or bold text, headings |
| Black text on #A9ADE4 | 9.78:1 | AAA | Lc 61.8 | Content text, not long reading |
| #A9ADE4 text on white | 2.14:1 | Fails | Lc 42.1 | Non-text elements, placeholder text |
| #A9ADE4 text on black | 9.78:1 | AAA | Lc -60.1 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
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)
#A9ADE4
oklch(76.4% 0.079 281.1)
-
Step 400
400
#9396ED
oklch(70.6% 0.126 281.1)
-
Step 500
500
#7B7AE7
oklch(63.2% 0.16 281.2)
-
Step 600
600
#6560D5
oklch(55.6% 0.174 281)
-
Step 700
700
#544EB9
oklch(49% 0.163 281)
-
Step 800
800
#454196
oklch(42.8% 0.135 281.1)
-
Step 900
900
#393877
oklch(37.7% 0.105 280.8)
-
Step 950
950
#212146
oklch(26.9% 0.067 280.9)
#A9ADE4 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) | #9EB3E6 | 0.020 |
| Deuteranopia (no green cones) | #9BAFE3 | 0.019 |
| Tritanopia (no blue cones) | #9BB7C0 | 0.070 |
| Achromatopsia (no color) | #B1B1B1 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A9ADE4
#A9ADE4
oklch(76.4% 0.079 281.1)
- #BDB479
#BDB479
oklch(76.3% 0.079 100.6)
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 #A9ADE4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.051
- Carolina Blue #8AB8FE ΔE 0.051
- Light Grey Blue #9DBCD4 ΔE 0.054
- Light Cornflower Blue #98C1D9 ΔE 0.063
- Pale Violet #CEAEFA ΔE 0.063
- Cloudy Blue #ACC2D9 ΔE 0.064
- Light Steel Blue #B0C4DE ΔE 0.067
- French Gray #ADB5BD ΔE 0.067
Use #A9ADE4 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.