#ACB3EF
Closest named color: Pastel Blue (#A2BFFE). oklch(78.3% 0.086 279.1), rgb(172, 179, 239).
Aa
Black text reads best on this color (10.44:1).
About this color
#ACB3EF is a light, moderately saturated blue. In OKLCH its lightness is 78%, its chroma 0.086 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.033 away. Black text reads best on it, at 10.44:1.
| Hue family | Blues |
| Lightness | light (78%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 10.44:1 |
| White text | 2.00:1 |
Values
| HEX | #ACB3EF |
| RGB | rgb(172, 179, 239) |
| HSL | hsl(234, 68%, 81%) |
| OKLCH | oklch(78.3% 0.086 279.1) |
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 #ACB3EF | 2.00:1 | Fails | Lc -43.4 | Non-text elements, placeholder text |
| Black text on #ACB3EF | 10.44:1 | AAA | Lc 65.0 | Content text, not long reading |
| #ACB3EF text on white | 2.00:1 | Fails | Lc 39.0 | Non-text elements, placeholder text |
| #ACB3EF text on black | 10.44:1 | AAA | Lc -63.4 | 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
#E6E9FB
oklch(93.7% 0.024 278.4)
-
Step 200
200
#D2D7F9
oklch(88.6% 0.047 278.8)
-
Step 300
300 (this color)
#ACB3EF
oklch(78.3% 0.086 279.1)
-
Step 400
400
#8F96F4
oklch(70.7% 0.137 279)
-
Step 500
500
#7679F0
oklch(63.2% 0.175 279.1)
-
Step 600
600
#605EDF
oklch(55.6% 0.191 278.9)
-
Step 700
700
#504DC1
oklch(49.1% 0.176 278.9)
-
Step 800
800
#41409C
oklch(42.7% 0.146 278.7)
-
Step 900
900
#37377C
oklch(37.7% 0.114 279.4)
-
Step 950
950
#202149
oklch(27.1% 0.073 279.3)
#ACB3EF 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) | #A2B9F2 | 0.018 |
| Deuteranopia (no green cones) | #9EB5ED | 0.019 |
| Tritanopia (no blue cones) | #9BBEC8 | 0.076 |
| Achromatopsia (no color) | #B7B7B7 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACB3EF
#ACB3EF
oklch(78.3% 0.086 279.1)
- #C6BA79
#C6BA79
oklch(78.4% 0.086 99)
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 #ACB3EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.033
- Carolina Blue #8AB8FE ΔE 0.044
- Pale Violet #CEAEFA ΔE 0.053
- Light Grey Blue #9DBCD4 ΔE 0.056
- Light Steel Blue #B0C4DE ΔE 0.059
- Cloudy Blue #ACC2D9 ΔE 0.059
- Light Periwinkle #C1C6FC ΔE 0.059
- Light Cornflower Blue #98C1D9 ΔE 0.061
Use #ACB3EF 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.