#BBBBFB
Closest named color: Light Periwinkle (#C1C6FC). oklch(81.5% 0.09 284.2), rgb(187, 187, 251).
Aa
Black text reads best on this color (11.61:1).
About this color
#BBBBFB is a light, moderately saturated purple. In OKLCH its lightness is 81%, its chroma 0.090 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Light Periwinkle (#C1C6FC), ΔE 0.030 away. Black text reads best on it, at 11.61:1.
| Hue family | Purples |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Light Periwinkle (#C1C6FC) |
| Black text | 11.61:1 |
| White text | 1.80:1 |
Values
| HEX | #BBBBFB |
| RGB | rgb(187, 187, 251) |
| HSL | hsl(240, 89%, 86%) |
| OKLCH | oklch(81.5% 0.09 284.2) |
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 #BBBBFB | 1.80:1 | Fails | Lc -37.7 | Non-text elements, placeholder text |
| Black text on #BBBBFB | 11.61:1 | AAA | Lc 70.2 | Content text, not long reading |
| #BBBBFB text on white | 1.80:1 | Fails | Lc 33.6 | Non-text elements, placeholder text |
| #BBBBFB text on black | 11.61:1 | AAA | Lc -69.0 | 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
#F4F5FE
oklch(97.2% 0.012 281.1)
-
Step 100
100
#E7E8FB
oklch(93.6% 0.026 283.5)
-
Step 200
200
#D4D5FA
oklch(88.4% 0.051 284.1)
-
Step 300
300 (this color)
#BBBBFB
oklch(81.5% 0.09 284.2)
-
Step 400
400
#9792F6
oklch(70.6% 0.144 284.4)
-
Step 500
500
#8074F2
oklch(63.2% 0.183 284.2)
-
Step 600
600
#6B58E1
oklch(55.6% 0.2 284.1)
-
Step 700
700
#5A47C3
oklch(49.1% 0.185 284.3)
-
Step 800
800
#493B9E
oklch(42.6% 0.154 284.2)
-
Step 900
900
#3C347D
oklch(37.6% 0.119 284)
-
Step 950
950
#231F49
oklch(26.9% 0.075 284.4)
#BBBBFB 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) | #AAC3FE | 0.028 |
| Deuteranopia (no green cones) | #A8BFF9 | 0.026 |
| Tritanopia (no blue cones) | #ACC6D1 | 0.078 |
| Achromatopsia (no color) | #C1C1C1 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BBBBFB
#BBBBFB
oklch(81.5% 0.09 284.2)
- #CBC681
#CBC681
oklch(81.5% 0.09 104.7)
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 #BBBBFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Periwinkle #C1C6FC ΔE 0.030
- Pastel Blue #A2BFFE ΔE 0.032
- Pale Violet #CEAEFA ΔE 0.040
- Light Violet #D6B4FC ΔE 0.041
- Light Steel Blue #B0C4DE ΔE 0.056
- Baby Blue #A2CFFE ΔE 0.057
- Light Lavender #DFC5FE ΔE 0.059
- Light Blue Grey #B7C9E2 ΔE 0.059
Use #BBBBFB 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.