#BBC3FB
Closest named color: Light Periwinkle (#C1C6FC). oklch(83% 0.079 278.2), rgb(187, 195, 251).
Aa
Black text reads best on this color (12.31:1).
About this color
#BBC3FB is a light, moderately saturated blue. In OKLCH its lightness is 83%, its chroma 0.079 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Light Periwinkle (#C1C6FC), ΔE 0.012 away. Black text reads best on it, at 12.31:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Light Periwinkle (#C1C6FC) |
| Black text | 12.31:1 |
| White text | 1.70:1 |
Values
| HEX | #BBC3FB |
| RGB | rgb(187, 195, 251) |
| HSL | hsl(233, 89%, 86%) |
| OKLCH | oklch(83% 0.079 278.2) |
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 #BBC3FB | 1.70:1 | Fails | Lc -34.4 | Non-text elements, placeholder text |
| Black text on #BBC3FB | 12.31:1 | AAA | Lc 73.3 | Content text, not long reading |
| #BBC3FB text on white | 1.70:1 | Fails | Lc 30.5 | Non-text elements, placeholder text |
| #BBC3FB text on black | 12.31:1 | AAA | Lc -72.2 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E6E9FA
oklch(93.7% 0.023 277.9)
-
Step 200
200
#D2D7F7
oklch(88.5% 0.044 278.4)
-
Step 300
300 (this color)
#BBC3FB
oklch(83% 0.079 278.2)
-
Step 400
400
#8F98EE
oklch(70.8% 0.126 278.1)
-
Step 500
500
#757BE9
oklch(63% 0.163 278.3)
-
Step 600
600
#5F62D7
oklch(55.6% 0.176 277.9)
-
Step 700
700
#4F50BA
oklch(49.1% 0.163 278.1)
-
Step 800
800
#414297
oklch(42.7% 0.136 278.4)
-
Step 900
900
#363978
oklch(37.7% 0.105 278)
-
Step 950
950
#202246
oklch(27.1% 0.066 278.6)
#BBC3FB 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) | #B3C9FD | 0.017 |
| Deuteranopia (no green cones) | #B0C4FA | 0.014 |
| Tritanopia (no blue cones) | #ABCDD6 | 0.070 |
| Achromatopsia (no color) | #C6C6C6 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BBC3FB
#BBC3FB
oklch(83% 0.079 278.2)
- #D5C98D
#D5C98D
oklch(83.2% 0.079 98.2)
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 #BBC3FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Periwinkle #C1C6FC ΔE 0.012
- Pastel Blue #A2BFFE ΔE 0.035
- Baby Blue #A2CFFE ΔE 0.040
- Light Blue Grey #B7C9E2 ΔE 0.044
- Light Steel Blue #B0C4DE ΔE 0.046
- Light Lavender #DFC5FE ΔE 0.051
- Light Violet #D6B4FC ΔE 0.051
- Cloudy Blue #ACC2D9 ΔE 0.054
Use #BBC3FB 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.