#BBB9FB
Closest named color: Pastel Blue (#A2BFFE). oklch(81.1% 0.093 285.5), rgb(187, 185, 251).
Aa
Black text reads best on this color (11.44:1).
About this color
#BBB9FB is a light, moderately saturated purple. In OKLCH its lightness is 81%, its chroma 0.093 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.034 away. Black text reads best on it, at 11.44:1.
| Hue family | Purples |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 11.44:1 |
| White text | 1.83:1 |
Values
| HEX | #BBB9FB |
| RGB | rgb(187, 185, 251) |
| HSL | hsl(242, 89%, 85%) |
| OKLCH | oklch(81.1% 0.093 285.5) |
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 #BBB9FB | 1.83:1 | Fails | Lc -38.5 | Non-text elements, placeholder text |
| Black text on #BBB9FB | 11.44:1 | AAA | Lc 69.5 | Content text, not long reading |
| #BBB9FB text on white | 1.83:1 | Fails | Lc 34.4 | Non-text elements, placeholder text |
| #BBB9FB text on black | 11.44:1 | AAA | Lc -68.2 | 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
#F4F4FE
oklch(97% 0.013 286.1)
-
Step 100
100
#E8E8FC
oklch(93.7% 0.027 285.9)
-
Step 200
200
#D5D5FB
oklch(88.5% 0.052 285.3)
-
Step 300
300 (this color)
#BBB9FB
oklch(81.1% 0.093 285.5)
-
Step 400
400
#9991F8
oklch(70.7% 0.148 285.5)
-
Step 500
500
#8271F5
oklch(63% 0.19 285.4)
-
Step 600
600
#6E55E3
oklch(55.5% 0.206 285.6)
-
Step 700
700
#5C44C6
oklch(49% 0.192 285.3)
-
Step 800
800
#4B39A0
oklch(42.6% 0.159 285.5)
-
Step 900
900
#3E337F
oklch(37.7% 0.123 285.5)
-
Step 950
950
#241F4A
oklch(27.1% 0.077 285.3)
#BBB9FB 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) | #A7C1FE | 0.030 |
| Deuteranopia (no green cones) | #A6BDF9 | 0.029 |
| Tritanopia (no blue cones) | #ACC4D0 | 0.080 |
| Achromatopsia (no color) | #BFBFBF | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BBB9FB
#BBB9FB
oklch(81.1% 0.093 285.5)
- #C9C57E
#C9C57E
oklch(81% 0.092 105.5)
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 #BBB9FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.034
- Light Periwinkle #C1C6FC ΔE 0.035
- Pale Violet #CEAEFA ΔE 0.036
- Light Violet #D6B4FC ΔE 0.039
- Light Steel Blue #B0C4DE ΔE 0.060
- Baby Blue #A2CFFE ΔE 0.061
- Carolina Blue #8AB8FE ΔE 0.061
- Light Lavender #DFC5FE ΔE 0.062
Use #BBB9FB 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.