#ACB1EF
Closest named color: Pastel Blue (#A2BFFE). oklch(77.9% 0.088 280.6), rgb(172, 177, 239).
Aa
Black text reads best on this color (10.28:1).
About this color
#ACB1EF is a medium-light, moderately saturated purple. In OKLCH its lightness is 78%, its chroma 0.088 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.037 away. Black text reads best on it, at 10.28:1.
| Hue family | Purples |
| Lightness | medium-light (78%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 10.28:1 |
| White text | 2.04:1 |
Values
| HEX | #ACB1EF |
| RGB | rgb(172, 177, 239) |
| HSL | hsl(236, 68%, 81%) |
| OKLCH | oklch(77.9% 0.088 280.6) |
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 #ACB1EF | 2.04:1 | Fails | Lc -44.2 | Non-text elements, placeholder text |
| Black text on #ACB1EF | 10.28:1 | AAA | Lc 64.2 | Content text, not long reading |
| #ACB1EF text on white | 2.04:1 | Fails | Lc 39.7 | Non-text elements, placeholder text |
| #ACB1EF text on black | 10.28:1 | AAA | Lc -62.6 | 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
#F4F5FE
oklch(97.2% 0.012 281.1)
-
Step 100
100
#E6E8FB
oklch(93.5% 0.026 281.1)
-
Step 200
200
#D2D6FA
oklch(88.4% 0.05 280.3)
-
Step 300
300 (this color)
#ACB1EF
oklch(77.9% 0.088 280.6)
-
Step 400
400
#9195F6
oklch(70.8% 0.14 280.4)
-
Step 500
500
#7877F3
oklch(63.2% 0.181 280.2)
-
Step 600
600
#645CE1
oklch(55.7% 0.196 280.6)
-
Step 700
700
#534AC4
oklch(49.1% 0.183 280.5)
-
Step 800
800
#443E9E
oklch(42.8% 0.151 280.7)
-
Step 900
900
#38367E
oklch(37.7% 0.118 280.3)
-
Step 950
950
#21204A
oklch(27% 0.076 281.1)
#ACB1EF 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) | #9FB8F2 | 0.023 |
| Deuteranopia (no green cones) | #9CB3ED | 0.021 |
| Tritanopia (no blue cones) | #9BBCC7 | 0.077 |
| Achromatopsia (no color) | #B5B5B5 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACB1EF
#ACB1EF
oklch(77.9% 0.088 280.6)
- #C3B975
#C3B975
oklch(77.9% 0.089 101)
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 #ACB1EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.037
- Carolina Blue #8AB8FE ΔE 0.045
- Pale Violet #CEAEFA ΔE 0.052
- Light Grey Blue #9DBCD4 ΔE 0.059
- Cloudy Blue #ACC2D9 ΔE 0.063
- Light Steel Blue #B0C4DE ΔE 0.063
- Light Periwinkle #C1C6FC ΔE 0.064
- Light Violet #D6B4FC ΔE 0.064
Use #ACB1EF 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.