#ACB3EC
Closest named color: Pastel Blue (#A2BFFE). oklch(78.2% 0.082 278.9), rgb(172, 179, 236).
Aa
Black text reads best on this color (10.41:1).
About this color
#ACB3EC is a light, moderately saturated blue. In OKLCH its lightness is 78%, its chroma 0.082 and its hue 279°. 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 10.41:1.
| Hue family | Blues |
| Lightness | light (78%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 10.41:1 |
| White text | 2.01:1 |
Values
| HEX | #ACB3EC |
| RGB | rgb(172, 179, 236) |
| HSL | hsl(233, 63%, 80%) |
| OKLCH | oklch(78.2% 0.082 278.9) |
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 #ACB3EC | 2.01:1 | Fails | Lc -43.6 | Non-text elements, placeholder text |
| Black text on #ACB3EC | 10.41:1 | AAA | Lc 64.8 | Content text, not long reading |
| #ACB3EC text on white | 2.01:1 | Fails | Lc 39.1 | Non-text elements, placeholder text |
| #ACB3EC text on black | 10.41:1 | AAA | Lc -63.2 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E6E9FA
oklch(93.7% 0.023 277.9)
-
Step 200
200
#D2D7F7
oklch(88.5% 0.044 278.4)
-
Step 300
300 (this color)
#ACB3EC
oklch(78.2% 0.082 278.9)
-
Step 400
400
#8F97F0
oklch(70.7% 0.13 278.6)
-
Step 500
500
#767AEB
oklch(63.1% 0.167 279)
-
Step 600
600
#6160DA
oklch(55.6% 0.182 279.1)
-
Step 700
700
#504FBD
oklch(49.2% 0.168 278.6)
-
Step 800
800
#414199
oklch(42.7% 0.14 278.7)
-
Step 900
900
#373879
oklch(37.7% 0.108 279.2)
-
Step 950
950
#202147
oklch(26.9% 0.069 279.5)
#ACB3EC 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) | #A3B9EF | 0.018 |
| Deuteranopia (no green cones) | #9FB4EB | 0.017 |
| Tritanopia (no blue cones) | #9CBDC7 | 0.071 |
| Achromatopsia (no color) | #B7B7B7 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACB3EC
#ACB3EC
oklch(78.2% 0.082 278.9)
- #C5B97C
#C5B97C
oklch(78.1% 0.081 98.4)
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 #ACB3EC, 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 0.046
- Light Grey Blue #9DBCD4 ΔE 0.052
- Pale Violet #CEAEFA ΔE 0.055
- Cloudy Blue #ACC2D9 ΔE 0.055
- Light Steel Blue #B0C4DE ΔE 0.056
- Light Cornflower Blue #98C1D9 ΔE 0.058
- Light Periwinkle #C1C6FC ΔE 0.060
Use #ACB3EC 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.