#A3B4EA
Closest named color: Pastel Blue (#A2BFFE). oklch(77.6% 0.08 270.9), rgb(163, 180, 234).
Aa
Black text reads best on this color (10.27:1).
About this color
#A3B4EA is a medium-light, moderately saturated blue. In OKLCH its lightness is 78%, its chroma 0.080 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.035 away. Black text reads best on it, at 10.27:1.
| Hue family | Blues |
| Lightness | medium-light (78%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 10.27:1 |
| White text | 2.04:1 |
Values
| HEX | #A3B4EA |
| RGB | rgb(163, 180, 234) |
| HSL | hsl(226, 63%, 78%) |
| OKLCH | oklch(77.6% 0.08 270.9) |
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 #A3B4EA | 2.04:1 | Fails | Lc -44.3 | Non-text elements, placeholder text |
| Black text on #A3B4EA | 10.27:1 | AAA | Lc 64.2 | Content text, not long reading |
| #A3B4EA text on white | 2.04:1 | Fails | Lc 39.8 | Non-text elements, placeholder text |
| #A3B4EA text on black | 10.27:1 | AAA | Lc -62.5 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4E9FA
oklch(93.5% 0.024 272.8)
-
Step 200
200
#CED8F7
oklch(88.4% 0.044 271.3)
-
Step 300
300 (this color)
#A3B4EA
oklch(77.6% 0.08 270.9)
-
Step 400
400
#839BF0
oklch(70.7% 0.128 270.9)
-
Step 500
500
#6680EB
oklch(63.2% 0.163 270.8)
-
Step 600
600
#4F66D9
oklch(55.5% 0.177 271)
-
Step 700
700
#4054BC
oklch(49% 0.164 270.9)
-
Step 800
800
#354698
oklch(42.8% 0.135 270.8)
-
Step 900
900
#2D3B79
oklch(37.6% 0.107 270.9)
-
Step 950
950
#1A2347
oklch(26.9% 0.068 270.7)
#A3B4EA 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) | #A3B9EC | 0.013 |
| Deuteranopia (no green cones) | #9EB3E9 | 0.007 |
| Tritanopia (no blue cones) | #90BEC6 | 0.071 |
| Achromatopsia (no color) | #B5B5B5 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3B4EA
#A3B4EA
oklch(77.6% 0.08 270.9)
- #C9B57B
#C9B57B
oklch(77.7% 0.079 91.2)
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 #A3B4EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.035
- Carolina Blue #8AB8FE ΔE 0.038
- Light Grey Blue #9DBCD4 ΔE 0.045
- Light Cornflower Blue #98C1D9 ΔE 0.050
- Cloudy Blue #ACC2D9 ΔE 0.053
- Light Steel Blue #B0C4DE ΔE 0.055
- Lightblue #7BC8F6 ΔE 0.062
- Sky #82CAFC ΔE 0.063
Use #A3B4EA 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.