#B1AAFF
Closest named color: Pastel Purple (#CAA0FF). oklch(77.6% 0.12 287), rgb(177, 170, 255).
Aa
Black text reads best on this color (10.06:1).
About this color
#B1AAFF is a medium-light, moderately saturated purple. In OKLCH its lightness is 78%, its chroma 0.120 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Purple (#CAA0FF), ΔE 0.042 away. Black text reads best on it, at 10.06:1.
| Hue family | Purples |
| Lightness | medium-light (78%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Pastel Purple (#CAA0FF) |
| Black text | 10.06:1 |
| White text | 2.08:1 |
Values
| HEX | #B1AAFF |
| RGB | rgb(177, 170, 255) |
| HSL | hsl(245, 100%, 83%) |
| OKLCH | oklch(77.6% 0.12 287) |
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 #B1AAFF | 2.08:1 | Fails | Lc -45.3 | Large or bold text, headings |
| Black text on #B1AAFF | 10.06:1 | AAA | Lc 63.2 | Content text, not long reading |
| #B1AAFF text on white | 2.08:1 | Fails | Lc 40.7 | Non-text elements, placeholder text |
| #B1AAFF text on black | 10.06:1 | AAA | Lc -61.5 | 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
#D6D4FF
oklch(88.5% 0.059 287.3)
-
Step 300
300 (this color)
#B1AAFF
oklch(77.6% 0.12 287)
-
Step 400
400
#9B8EFF
oklch(70.7% 0.161 286.8)
-
Step 500
500
#866BFF
oklch(63% 0.211 287.1)
-
Step 600
600
#7440FF
oklch(55.6% 0.26 287)
-
Step 700
700
#632BE2
oklch(49.2% 0.248 287)
-
Step 800
800
#5027B6
oklch(42.7% 0.206 287.1)
-
Step 900
900
#412890
oklch(37.7% 0.161 287)
-
Step 950
950
#261954
oklch(27% 0.102 287.7)
#B1AAFF 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) | #91B6FF | 0.048 |
| Deuteranopia (no green cones) | #90B1FD | 0.045 |
| Tritanopia (no blue cones) | #9EB9C9 | 0.102 |
| Achromatopsia (no color) | #B3B3B3 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1AAFF
#B1AAFF
oklch(77.6% 0.12 287)
- #BFBB5A
#BFBB5A
oklch(77.5% 0.12 106.7)
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 #B1AAFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Purple #CAA0FF ΔE 0.042
- Lilac #CEA2FD ΔE 0.044
- Pale Violet #CEAEFA ΔE 0.045
- Baby Purple #CA9BF7 ΔE 0.048
- Pastel Blue #A2BFFE ΔE 0.056
- Carolina Blue #8AB8FE ΔE 0.058
- Light Violet #D6B4FC ΔE 0.062
- Periwinkle Blue #8F99FB ΔE 0.067
Use #B1AAFF 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.