#B1ACFB
Closest named color: Pale Violet (#CEAEFA). oklch(77.8% 0.112 286.4), rgb(177, 172, 251).
Aa
Black text reads best on this color (10.16:1).
About this color
#B1ACFB is a medium-light, moderately saturated purple. In OKLCH its lightness is 78%, its chroma 0.112 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Violet (#CEAEFA), ΔE 0.043 away. Black text reads best on it, at 10.16:1.
| Hue family | Purples |
| Lightness | medium-light (78%) |
| Chroma | moderately saturated (0.112) |
| Temperature | cool |
| Nearest name | Pale Violet (#CEAEFA) |
| Black text | 10.16:1 |
| White text | 2.06:1 |
Values
| HEX | #B1ACFB |
| RGB | rgb(177, 172, 251) |
| HSL | hsl(244, 91%, 83%) |
| OKLCH | oklch(77.8% 0.112 286.4) |
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 #B1ACFB | 2.06:1 | Fails | Lc -44.8 | Non-text elements, placeholder text |
| Black text on #B1ACFB | 10.16:1 | AAA | Lc 63.7 | Content text, not long reading |
| #B1ACFB text on white | 2.06:1 | Fails | Lc 40.3 | Non-text elements, placeholder text |
| #B1ACFB text on black | 10.16:1 | AAA | Lc -62.0 | 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
#F4F4FF
oklch(97% 0.015 286.1)
-
Step 100
100
#E8E7FF
oklch(93.6% 0.032 287.7)
-
Step 200
200
#D5D4FF
oklch(88.5% 0.059 286.2)
-
Step 300
300 (this color)
#B1ACFB
oklch(77.8% 0.112 286.4)
-
Step 400
400
#9A8EFF
oklch(70.6% 0.161 286.3)
-
Step 500
500
#856CFF
oklch(63.1% 0.209 286.6)
-
Step 600
600
#7246F9
oklch(55.6% 0.248 286.5)
-
Step 700
700
#6035D9
oklch(49.1% 0.23 286.4)
-
Step 800
800
#4E2EAF
oklch(42.6% 0.191 286.5)
-
Step 900
900
#402C8B
oklch(37.7% 0.149 286.5)
-
Step 950
950
#251B51
oklch(27% 0.094 286.7)
#B1ACFB 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) | #96B6FE | 0.040 |
| Deuteranopia (no green cones) | #94B2F9 | 0.040 |
| Tritanopia (no blue cones) | #9FBAC8 | 0.097 |
| Achromatopsia (no color) | #B4B4B4 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1ACFB
#B1ACFB
oklch(77.8% 0.112 286.4)
- #C0BC63
#C0BC63
oklch(78% 0.112 106.4)
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 #B1ACFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Violet #CEAEFA ΔE 0.043
- Pastel Purple #CAA0FF ΔE 0.046
- Lilac #CEA2FD ΔE 0.047
- Pastel Blue #A2BFFE ΔE 0.050
- Baby Purple #CA9BF7 ΔE 0.052
- Carolina Blue #8AB8FE ΔE 0.054
- Light Violet #D6B4FC ΔE 0.059
- Periwinkle Blue #8F99FB ΔE 0.071
Use #B1ACFB 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.