#A3B7FF
Closest named color: Pastel Blue (#A2BFFE). oklch(79.1% 0.105 271.9), rgb(163, 183, 255).
Aa
Black text reads best on this color (10.77:1).
About this color
#A3B7FF is a light, moderately saturated blue. In OKLCH its lightness is 79%, its chroma 0.105 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.021 away. Black text reads best on it, at 10.77:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 10.77:1 |
| White text | 1.94:1 |
Values
| HEX | #A3B7FF |
| RGB | rgb(163, 183, 255) |
| HSL | hsl(227, 100%, 82%) |
| OKLCH | oklch(79.1% 0.105 271.9) |
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 #A3B7FF | 1.94:1 | Fails | Lc -41.8 | Non-text elements, placeholder text |
| Black text on #A3B7FF | 10.77:1 | AAA | Lc 66.5 | Content text, not long reading |
| #A3B7FF text on white | 1.94:1 | Fails | Lc 37.4 | Non-text elements, placeholder text |
| #A3B7FF text on black | 10.77:1 | AAA | Lc -65.0 | 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
#E2E9FF
oklch(93.5% 0.031 271.7)
-
Step 200
200
#CCD8FF
oklch(88.6% 0.055 271.8)
-
Step 300
300 (this color)
#A3B7FF
oklch(79.1% 0.105 271.9)
-
Step 400
400
#8098FF
oklch(70.7% 0.153 272.1)
-
Step 500
500
#627AFF
oklch(63.1% 0.198 271.8)
-
Step 600
600
#4A5AF9
oklch(55.6% 0.234 271.8)
-
Step 700
700
#3D48D9
oklch(49.2% 0.218 272)
-
Step 800
800
#313DAF
oklch(42.8% 0.179 271.7)
-
Step 900
900
#2A368A
oklch(37.7% 0.139 271.8)
-
Step 950
950
#182051
oklch(26.9% 0.09 272)
#A3B7FF 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) | #A0BEFF | 0.018 |
| Deuteranopia (no green cones) | #98B6FD | 0.015 |
| Tritanopia (no blue cones) | #88C5D0 | 0.094 |
| Achromatopsia (no color) | #BABABA | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3B7FF
#A3B7FF
oklch(79.1% 0.105 271.9)
- #D3B968
#D3B968
oklch(79.1% 0.105 92.1)
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 #A3B7FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.021
- Carolina Blue #8AB8FE ΔE 0.030
- Light Periwinkle #C1C6FC ΔE 0.059
- Sky #82CAFC ΔE 0.060
- Pale Violet #CEAEFA ΔE 0.060
- Lightblue #7BC8F6 ΔE 0.064
- Baby Blue #A2CFFE ΔE 0.064
- Light Sky Blue #87CEFA ΔE 0.068
Use #A3B7FF 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.