#A3BEE9
Closest named color: Pastel Blue (#A2BFFE). oklch(79.6% 0.068 259.6), rgb(163, 190, 233).
Aa
Black text reads best on this color (11.09:1).
About this color
#A3BEE9 is a light, muted blue. In OKLCH its lightness is 80%, its chroma 0.068 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.030 away. Black text reads best on it, at 11.09:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 11.09:1 |
| White text | 1.89:1 |
Values
| HEX | #A3BEE9 |
| RGB | rgb(163, 190, 233) |
| HSL | hsl(217, 61%, 78%) |
| OKLCH | oklch(79.6% 0.068 259.6) |
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 #A3BEE9 | 1.89:1 | Fails | Lc -40.2 | Non-text elements, placeholder text |
| Black text on #A3BEE9 | 11.09:1 | AAA | Lc 67.9 | Content text, not long reading |
| #A3BEE9 text on white | 1.89:1 | Fails | Lc 35.9 | Non-text elements, placeholder text |
| #A3BEE9 text on black | 11.09:1 | AAA | Lc -66.6 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EAF7
oklch(93.5% 0.02 260.2)
-
Step 200
200
#CBDAF3
oklch(88.5% 0.038 260.7)
-
Step 300
300 (this color)
#A3BEE9
oklch(79.6% 0.068 259.6)
-
Step 400
400
#78A1E4
oklch(70.6% 0.109 259.9)
-
Step 500
500
#5488DD
oklch(63% 0.14 259.8)
-
Step 600
600
#3970CA
oklch(55.5% 0.151 259.8)
-
Step 700
700
#2B5EAF
oklch(49.2% 0.14 259.4)
-
Step 800
800
#254D8E
oklch(42.8% 0.117 259.7)
-
Step 900
900
#234171
oklch(37.8% 0.09 259.4)
-
Step 950
950
#152642
oklch(27% 0.057 259.9)
#A3BEE9 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) | #AFC0EB | 0.017 |
| Deuteranopia (no green cones) | #A8B9E8 | 0.014 |
| Tritanopia (no blue cones) | #8FC7CC | 0.061 |
| Achromatopsia (no color) | #BCBCBC | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3BEE9
#A3BEE9
oklch(79.6% 0.068 259.6)
- #D4B88B
#D4B88B
oklch(79.6% 0.068 79.3)
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 #A3BEE9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.030
- Cloudy Blue #ACC2D9 ΔE 0.030
- Light Cornflower Blue #98C1D9 ΔE 0.031
- Light Steel Blue #B0C4DE ΔE 0.031
- Light Grey Blue #9DBCD4 ΔE 0.031
- Light Blue Grey #B7C9E2 ΔE 0.044
- Sky #82CAFC ΔE 0.046
- Baby Blue #A2CFFE ΔE 0.047
Use #A3BEE9 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.