#BBC3FF
Closest named color: Light Periwinkle (#C1C6FC). oklch(83.2% 0.085 278.5), rgb(187, 195, 255).
Aa
Black text reads best on this color (12.36:1).
About this color
#BBC3FF is a light, moderately saturated blue. In OKLCH its lightness is 83%, its chroma 0.085 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Light Periwinkle (#C1C6FC), ΔE 0.013 away. Black text reads best on it, at 12.36:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Light Periwinkle (#C1C6FC) |
| Black text | 12.36:1 |
| White text | 1.69:1 |
Values
| HEX | #BBC3FF |
| RGB | rgb(187, 195, 255) |
| HSL | hsl(233, 100%, 87%) |
| OKLCH | oklch(83.2% 0.085 278.5) |
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 #BBC3FF | 1.69:1 | Fails | Lc -34.1 | Non-text elements, placeholder text |
| Black text on #BBC3FF | 12.36:1 | AAA | Lc 73.5 | Content text, not long reading |
| #BBC3FF text on white | 1.69:1 | Fails | Lc 30.3 | Non-text elements, placeholder text |
| #BBC3FF text on black | 12.36:1 | AAA | Lc -72.5 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E6E9FB
oklch(93.7% 0.024 278.4)
-
Step 200
200
#D1D7F9
oklch(88.5% 0.047 277.5)
-
Step 300
300 (this color)
#BBC3FF
oklch(83.2% 0.085 278.5)
-
Step 400
400
#8E96F3
oklch(70.6% 0.135 278.6)
-
Step 500
500
#7579EF
oklch(63.1% 0.173 278.7)
-
Step 600
600
#5F5FDD
oklch(55.5% 0.187 278.4)
-
Step 700
700
#4F4DC0
oklch(49% 0.175 278.5)
-
Step 800
800
#41409B
oklch(42.6% 0.144 278.8)
-
Step 900
900
#36387C
oklch(37.8% 0.113 278.3)
-
Step 950
950
#1F2148
oklch(26.9% 0.071 278.2)
#BBC3FF 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) | #B2C9FF | 0.018 |
| Deuteranopia (no green cones) | #AEC4FD | 0.017 |
| Tritanopia (no blue cones) | #AACED8 | 0.075 |
| Achromatopsia (no color) | #C7C7C7 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BBC3FF
#BBC3FF
oklch(83.2% 0.085 278.5)
- #D6C989
#D6C989
oklch(83.2% 0.084 98.1)
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 #BBC3FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Periwinkle #C1C6FC ΔE 0.013
- Pastel Blue #A2BFFE ΔE 0.035
- Baby Blue #A2CFFE ΔE 0.042
- Light Blue Grey #B7C9E2 ΔE 0.050
- Light Violet #D6B4FC ΔE 0.050
- Light Lavender #DFC5FE ΔE 0.050
- Light Steel Blue #B0C4DE ΔE 0.052
- Pale Violet #CEAEFA ΔE 0.055
Use #BBC3FF 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.