#A3B4E5
Closest named color: Light Grey Blue (#9DBCD4). oklch(77.4% 0.073 269.8), rgb(163, 180, 229).
Aa
Black text reads best on this color (10.21:1).
About this color
#A3B4E5 is a medium-light, moderately saturated blue. In OKLCH its lightness is 77%, its chroma 0.073 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.039 away. Black text reads best on it, at 10.21:1.
| Hue family | Blues |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.21:1 |
| White text | 2.05:1 |
Values
| HEX | #A3B4E5 |
| RGB | rgb(163, 180, 229) |
| HSL | hsl(225, 56%, 77%) |
| OKLCH | oklch(77.4% 0.073 269.8) |
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 #A3B4E5 | 2.05:1 | Fails | Lc -44.6 | Non-text elements, placeholder text |
| Black text on #A3B4E5 | 10.21:1 | AAA | Lc 63.9 | Content text, not long reading |
| #A3B4E5 text on white | 2.05:1 | Fails | Lc 40.1 | Non-text elements, placeholder text |
| #A3B4E5 text on black | 10.21:1 | AAA | Lc -62.3 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4EAF9
oklch(93.7% 0.021 268.4)
-
Step 200
200
#CED9F5
oklch(88.6% 0.04 268.5)
-
Step 300
300 (this color)
#A3B4E5
oklch(77.4% 0.073 269.8)
-
Step 400
400
#849DEA
oklch(70.8% 0.117 269.6)
-
Step 500
500
#6682E3
oklch(63.1% 0.149 269.6)
-
Step 600
600
#4F69D1
oklch(55.5% 0.163 269.9)
-
Step 700
700
#4057B5
oklch(49.1% 0.151 269.7)
-
Step 800
800
#354892
oklch(42.7% 0.124 269.7)
-
Step 900
900
#2E3D75
oklch(37.8% 0.097 270)
-
Step 950
950
#1B2444
oklch(27% 0.061 270.1)
#A3B4E5 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) | #A5B8E7 | 0.011 |
| Deuteranopia (no green cones) | #9FB2E4 | 0.008 |
| Tritanopia (no blue cones) | #91BDC5 | 0.064 |
| Achromatopsia (no color) | #B5B5B5 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3B4E5
#A3B4E5
oklch(77.4% 0.073 269.8)
- #C8B480
#C8B480
oklch(77.5% 0.073 89.4)
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 #A3B4E5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.039
- Pastel Blue #A2BFFE ΔE 0.040
- Carolina Blue #8AB8FE ΔE 0.043
- Light Cornflower Blue #98C1D9 ΔE 0.045
- Cloudy Blue #ACC2D9 ΔE 0.049
- Light Steel Blue #B0C4DE ΔE 0.052
- French Gray #ADB5BD ΔE 0.060
- Lightblue #7BC8F6 ΔE 0.062
Use #A3B4E5 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.