#B3BBFF
Closest named color: Pastel Blue (#A2BFFE). oklch(81% 0.096 278.8), rgb(179, 187, 255).
Aa
Black text reads best on this color (11.46:1).
About this color
#B3BBFF is a light, moderately saturated blue. In OKLCH its lightness is 81%, its chroma 0.096 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.023 away. Black text reads best on it, at 11.46:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 11.46:1 |
| White text | 1.83:1 |
Values
| HEX | #B3BBFF |
| RGB | rgb(179, 187, 255) |
| HSL | hsl(234, 100%, 85%) |
| OKLCH | oklch(81% 0.096 278.8) |
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 #B3BBFF | 1.83:1 | Fails | Lc -38.4 | Non-text elements, placeholder text |
| Black text on #B3BBFF | 11.46:1 | AAA | Lc 69.6 | Content text, not long reading |
| #B3BBFF text on white | 1.83:1 | Fails | Lc 34.3 | Non-text elements, placeholder text |
| #B3BBFF text on black | 11.46:1 | AAA | Lc -68.3 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E5E8FD
oklch(93.5% 0.029 279.4)
-
Step 200
200
#D1D6FD
oklch(88.5% 0.054 279.5)
-
Step 300
300 (this color)
#B3BBFF
oklch(81% 0.096 278.8)
-
Step 400
400
#8D94FE
oklch(70.7% 0.154 278.8)
-
Step 500
500
#7475FC
oklch(63.1% 0.196 278.9)
-
Step 600
600
#5F59EC
oklch(55.7% 0.214 278.7)
-
Step 700
700
#4F47CD
oklch(49.1% 0.199 278.8)
-
Step 800
800
#403CA6
oklch(42.8% 0.165 278.5)
-
Step 900
900
#363583
oklch(37.8% 0.128 278.9)
-
Step 950
950
#1F204D
oklch(27.1% 0.081 278.5)
#B3BBFF 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) | #A7C2FF | 0.022 |
| Deuteranopia (no green cones) | #A3BDFD | 0.021 |
| Tritanopia (no blue cones) | #9FC8D3 | 0.086 |
| Achromatopsia (no color) | #BFBFBF | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3BBFF
#B3BBFF
oklch(81% 0.096 278.8)
- #D1C278
#D1C278
oklch(81% 0.096 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 #B3BBFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.023
- Light Periwinkle #C1C6FC ΔE 0.037
- Pale Violet #CEAEFA ΔE 0.046
- Light Violet #D6B4FC ΔE 0.050
- Carolina Blue #8AB8FE ΔE 0.052
- Baby Blue #A2CFFE ΔE 0.055
- Light Steel Blue #B0C4DE ΔE 0.060
- Light Blue Grey #B7C9E2 ΔE 0.064
Use #B3BBFF 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.