#A9B5FE
Closest named color: Pastel Blue (#A2BFFE). oklch(79.1% 0.105 276.6), rgb(169, 181, 254).
Aa
Black text reads best on this color (10.72:1).
About this color
#A9B5FE is a light, moderately saturated blue. In OKLCH its lightness is 79%, its chroma 0.105 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.027 away. Black text reads best on it, at 10.72:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 10.72:1 |
| White text | 1.95:1 |
Values
| HEX | #A9B5FE |
| RGB | rgb(169, 181, 254) |
| HSL | hsl(232, 98%, 83%) |
| OKLCH | oklch(79.1% 0.105 276.6) |
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 #A9B5FE | 1.95:1 | Fails | Lc -42.0 | Non-text elements, placeholder text |
| Black text on #A9B5FE | 10.72:1 | AAA | Lc 66.3 | Content text, not long reading |
| #A9B5FE text on white | 1.95:1 | Fails | Lc 37.6 | Non-text elements, placeholder text |
| #A9B5FE text on black | 10.72:1 | AAA | Lc -64.8 | 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
#E4E9FF
oklch(93.7% 0.03 275.6)
-
Step 200
200
#CFD7FF
oklch(88.6% 0.056 276.3)
-
Step 300
300 (this color)
#A9B5FE
oklch(79.1% 0.105 276.6)
-
Step 400
400
#8995FF
oklch(70.7% 0.154 276.8)
-
Step 500
500
#6E76FF
oklch(63.1% 0.2 276.5)
-
Step 600
600
#5956F7
oklch(55.7% 0.232 276.6)
-
Step 700
700
#4A44D7
oklch(49.1% 0.216 276.7)
-
Step 800
800
#3C39AE
oklch(42.7% 0.18 276.7)
-
Step 900
900
#323489
oklch(37.8% 0.139 276.5)
-
Step 950
950
#1D1F50
oklch(26.9% 0.088 277)
#A9B5FE 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) | #9EBDFF | 0.023 |
| Deuteranopia (no green cones) | #99B6FC | 0.021 |
| Tritanopia (no blue cones) | #92C3CF | 0.093 |
| Achromatopsia (no color) | #B9B9B9 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A9B5FE
#A9B5FE
oklch(79.1% 0.105 276.6)
- #CEBB69
#CEBB69
oklch(79.1% 0.105 96.6)
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 #A9B5FE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.027
- Carolina Blue #8AB8FE ΔE 0.037
- Pale Violet #CEAEFA ΔE 0.052
- Light Periwinkle #C1C6FC ΔE 0.058
- Light Violet #D6B4FC ΔE 0.062
- Lilac #CEA2FD ΔE 0.067
- Pastel Purple #CAA0FF ΔE 0.067
- Sky #82CAFC ΔE 0.068
Use #A9B5FE 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.