#A9B5FA
Closest named color: Pastel Blue (#A2BFFE). oklch(78.9% 0.099 276.3), rgb(169, 181, 250).
Aa
Black text reads best on this color (10.67:1).
About this color
#A9B5FA is a light, moderately saturated blue. In OKLCH its lightness is 79%, its chroma 0.099 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.026 away. Black text reads best on it, at 10.67:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 10.67:1 |
| White text | 1.96:1 |
Values
| HEX | #A9B5FA |
| RGB | rgb(169, 181, 250) |
| HSL | hsl(231, 89%, 82%) |
| OKLCH | oklch(78.9% 0.099 276.3) |
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 #A9B5FA | 1.96:1 | Fails | Lc -42.3 | Non-text elements, placeholder text |
| Black text on #A9B5FA | 10.67:1 | AAA | Lc 66.0 | Content text, not long reading |
| #A9B5FA text on white | 1.96:1 | Fails | Lc 37.9 | Non-text elements, placeholder text |
| #A9B5FA text on black | 10.67:1 | AAA | Lc -64.5 | 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
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E4E9FE
oklch(93.7% 0.029 275.2)
-
Step 200
200
#CFD7FE
oklch(88.6% 0.054 276.1)
-
Step 300
300 (this color)
#A9B5FA
oklch(78.9% 0.099 276.3)
-
Step 400
400
#8895FF
oklch(70.6% 0.155 276.4)
-
Step 500
500
#6D76FF
oklch(63% 0.2 276.2)
-
Step 600
600
#5859F0
oklch(55.5% 0.221 276.2)
-
Step 700
700
#4948D1
oklch(49.2% 0.205 276.1)
-
Step 800
800
#3C3CA9
oklch(42.7% 0.17 276.5)
-
Step 900
900
#323586
oklch(37.7% 0.133 276.4)
-
Step 950
950
#1D204E
oklch(27% 0.083 276.5)
#A9B5FA 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) | #A0BCFD | 0.020 |
| Deuteranopia (no green cones) | #9BB6F8 | 0.018 |
| Tritanopia (no blue cones) | #93C2CD | 0.088 |
| Achromatopsia (no color) | #B9B9B9 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A9B5FA
#A9B5FA
oklch(78.9% 0.099 276.3)
- #CDBA6E
#CDBA6E
oklch(78.8% 0.099 95.7)
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 #A9B5FA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.026
- Carolina Blue #8AB8FE ΔE 0.037
- Pale Violet #CEAEFA ΔE 0.053
- Light Periwinkle #C1C6FC ΔE 0.057
- Light Violet #D6B4FC ΔE 0.063
- Sky #82CAFC ΔE 0.066
- Light Steel Blue #B0C4DE ΔE 0.066
- Light Grey Blue #9DBCD4 ΔE 0.066
Use #A9B5FA 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.