#B0A3FB
Closest named color: Pastel Purple (#CAA0FF). oklch(76% 0.125 289.9), rgb(176, 163, 251).
Aa
Black text reads best on this color (9.47:1).
About this color
#B0A3FB is a medium-light, moderately saturated purple. In OKLCH its lightness is 76%, its chroma 0.125 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Purple (#CAA0FF), ΔE 0.039 away. Black text reads best on it, at 9.47:1.
| Hue family | Purples |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.125) |
| Temperature | cool |
| Nearest name | Pastel Purple (#CAA0FF) |
| Black text | 9.47:1 |
| White text | 2.21:1 |
Values
| HEX | #B0A3FB |
| RGB | rgb(176, 163, 251) |
| HSL | hsl(249, 92%, 81%) |
| OKLCH | oklch(76% 0.125 289.9) |
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 #B0A3FB | 2.21:1 | Fails | Lc -48.3 | Large or bold text, headings |
| Black text on #B0A3FB | 9.47:1 | AAA | Lc 60.4 | Content text, not long reading |
| #B0A3FB text on white | 2.21:1 | Fails | Lc 43.6 | Non-text elements, placeholder text |
| #B0A3FB text on black | 9.47:1 | AAA | Lc -58.6 | Large or bold text, headings |
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
#F5F4FF
oklch(97.1% 0.015 290.3)
-
Step 100
100
#E9E7FF
oklch(93.7% 0.032 289.6)
-
Step 200
200
#D8D3FF
oklch(88.5% 0.06 290.3)
-
Step 300
300 (this color)
#B0A3FB
oklch(76% 0.125 289.9)
-
Step 400
400
#A08BFF
oklch(70.6% 0.166 289.8)
-
Step 500
500
#8C68FF
oklch(63.1% 0.214 289.8)
-
Step 600
600
#7B3AFF
oklch(55.6% 0.265 289.8)
-
Step 700
700
#691FE4
oklch(49% 0.258 289.7)
-
Step 800
800
#5520B8
oklch(42.7% 0.213 289.7)
-
Step 900
900
#452491
oklch(37.6% 0.166 289.8)
-
Step 950
950
#281755
oklch(26.9% 0.106 290)
#B0A3FB 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) | #8AB0FE | 0.055 |
| Deuteranopia (no green cones) | #8AACF9 | 0.053 |
| Tritanopia (no blue cones) | #9FB3C3 | 0.106 |
| Achromatopsia (no color) | #AEAEAE | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B0A3FB
#B0A3FB
oklch(76% 0.125 289.9)
- #B6B852
#B6B852
oklch(76% 0.125 110.1)
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 #B0A3FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Purple #CAA0FF ΔE 0.039
- Baby Purple #CA9BF7 ΔE 0.041
- Lilac #CEA2FD ΔE 0.045
- Pale Violet #CEAEFA ΔE 0.055
- Periwinkle Blue #8F99FB ΔE 0.055
- Liliac #C48EFD ΔE 0.057
- Pale Purple #B790D4 ΔE 0.064
- Carolina Blue #8AB8FE ΔE 0.067
Use #B0A3FB 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.