#B1AEE3
Closest named color: Pastel Blue (#A2BFFE). oklch(77.2% 0.075 287.1), rgb(177, 174, 227).
Aa
Black text reads best on this color (10.03:1).
About this color
#B1AEE3 is a medium-light, moderately saturated purple. In OKLCH its lightness is 77%, its chroma 0.075 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.051 away. Black text reads best on it, at 10.03:1.
| Hue family | Purples |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 10.03:1 |
| White text | 2.09:1 |
Values
| HEX | #B1AEE3 |
| RGB | rgb(177, 174, 227) |
| HSL | hsl(243, 49%, 79%) |
| OKLCH | oklch(77.2% 0.075 287.1) |
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 #B1AEE3 | 2.09:1 | Fails | Lc -45.5 | Large or bold text, headings |
| Black text on #B1AEE3 | 10.03:1 | AAA | Lc 63.0 | Content text, not long reading |
| #B1AEE3 text on white | 2.09:1 | Fails | Lc 40.9 | Non-text elements, placeholder text |
| #B1AEE3 text on black | 10.03:1 | AAA | Lc -61.3 | 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
#F5F5FC
oklch(97.2% 0.009 286.2)
-
Step 100
100
#E8E8F8
oklch(93.6% 0.022 286)
-
Step 200
200
#D7D6F4
oklch(88.6% 0.041 287.1)
-
Step 300
300 (this color)
#B1AEE3
oklch(77.2% 0.075 287.1)
-
Step 400
400
#9C94E8
oklch(70.7% 0.121 287.2)
-
Step 500
500
#8577E0
oklch(63% 0.154 287.2)
-
Step 600
600
#705ECE
oklch(55.6% 0.167 287.1)
-
Step 700
700
#5E4DB2
oklch(49.1% 0.154 287)
-
Step 800
800
#4D3F90
oklch(42.6% 0.129 287.6)
-
Step 900
900
#3F3773
oklch(37.7% 0.099 286.7)
-
Step 950
950
#252044
oklch(26.9% 0.065 287.6)
#B1AEE3 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) | #A1B5E5 | 0.026 |
| Deuteranopia (no green cones) | #A0B2E2 | 0.024 |
| Tritanopia (no blue cones) | #A6B7C0 | 0.065 |
| Achromatopsia (no color) | #B3B3B3 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1AEE3
#B1AEE3
oklch(77.2% 0.075 287.1)
- #BAB980
#BAB980
oklch(77.3% 0.076 107.2)
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 #B1AEE3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.051
- Light Grey Blue #9DBCD4 ΔE 0.055
- Pale Violet #CEAEFA ΔE 0.055
- Carolina Blue #8AB8FE ΔE 0.059
- Cloudy Blue #ACC2D9 ΔE 0.060
- Light Steel Blue #B0C4DE ΔE 0.061
- Light Cornflower Blue #98C1D9 ΔE 0.063
- French Gray #ADB5BD ΔE 0.065
Use #B1AEE3 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.