#A9BBFF
Closest named color: Pastel Blue (#A2BFFE). oklch(80.3% 0.099 272.6), rgb(169, 187, 255).
Aa
Black text reads best on this color (11.23:1).
About this color
#A9BBFF is a light, moderately saturated blue. In OKLCH its lightness is 80%, its chroma 0.099 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.013 away. Black text reads best on it, at 11.23:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 11.23:1 |
| White text | 1.86:1 |
Values
| HEX | #A9BBFF |
| RGB | rgb(169, 187, 255) |
| HSL | hsl(227, 100%, 83%) |
| OKLCH | oklch(80.3% 0.099 272.6) |
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 #A9BBFF | 1.86:1 | Fails | Lc -39.5 | Non-text elements, placeholder text |
| Black text on #A9BBFF | 11.23:1 | AAA | Lc 68.6 | Content text, not long reading |
| #A9BBFF text on white | 1.86:1 | Fails | Lc 35.3 | Non-text elements, placeholder text |
| #A9BBFF text on black | 11.23:1 | AAA | Lc -67.2 | 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
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E3E9FE
oklch(93.6% 0.029 273.1)
-
Step 200
200
#CCD8FE
oklch(88.5% 0.054 271.5)
-
Step 300
300 (this color)
#A9BBFF
oklch(80.3% 0.099 272.6)
-
Step 400
400
#8198FF
oklch(70.7% 0.153 272.5)
-
Step 500
500
#6479FF
oklch(63% 0.199 272.7)
-
Step 600
600
#4E5DF0
oklch(55.6% 0.218 272.6)
-
Step 700
700
#404BD1
oklch(49.1% 0.203 272.7)
-
Step 800
800
#343FA9
oklch(42.8% 0.168 272.5)
-
Step 900
900
#2C3786
oklch(37.7% 0.132 272.4)
-
Step 950
950
#1A214E
oklch(27% 0.083 273)
#A9BBFF 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) | #A5C1FF | 0.016 |
| Deuteranopia (no green cones) | #9FBAFD | 0.013 |
| Tritanopia (no blue cones) | #91C8D3 | 0.087 |
| Achromatopsia (no color) | #BEBEBE | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A9BBFF
#A9BBFF
oklch(80.3% 0.099 272.6)
- #D5BD72
#D5BD72
oklch(80.2% 0.099 92.2)
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 #A9BBFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.013
- Carolina Blue #8AB8FE ΔE 0.039
- Light Periwinkle #C1C6FC ΔE 0.046
- Baby Blue #A2CFFE ΔE 0.053
- Pale Violet #CEAEFA ΔE 0.056
- Sky #82CAFC ΔE 0.057
- Light Steel Blue #B0C4DE ΔE 0.060
- Light Sky Blue #87CEFA ΔE 0.062
Use #A9BBFF 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.