#B3BBF5
Closest named color: Pastel Blue (#A2BFFE). oklch(80.6% 0.082 278.3), rgb(179, 187, 245).
Aa
Black text reads best on this color (11.34:1).
About this color
#B3BBF5 is a light, moderately saturated blue. In OKLCH its lightness is 81%, its chroma 0.082 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.024 away. Black text reads best on it, at 11.34:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 11.34:1 |
| White text | 1.85:1 |
Values
| HEX | #B3BBF5 |
| RGB | rgb(179, 187, 245) |
| HSL | hsl(233, 77%, 83%) |
| OKLCH | oklch(80.6% 0.082 278.3) |
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 #B3BBF5 | 1.85:1 | Fails | Lc -39.0 | Non-text elements, placeholder text |
| Black text on #B3BBF5 | 11.34:1 | AAA | Lc 69.0 | Content text, not long reading |
| #B3BBF5 text on white | 1.85:1 | Fails | Lc 34.8 | Non-text elements, placeholder text |
| #B3BBF5 text on black | 11.34:1 | AAA | Lc -67.7 | 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
#E6E9FA
oklch(93.7% 0.023 277.9)
-
Step 200
200
#D2D7F8
oklch(88.6% 0.046 278.6)
-
Step 300
300 (this color)
#B3BBF5
oklch(80.6% 0.082 278.3)
-
Step 400
400
#8E97F1
oklch(70.7% 0.131 278.1)
-
Step 500
500
#757AED
oklch(63.1% 0.169 278.5)
-
Step 600
600
#5F60DB
oklch(55.6% 0.184 278.3)
-
Step 700
700
#4F4FBE
oklch(49.2% 0.17 278.1)
-
Step 800
800
#40419A
oklch(42.7% 0.142 278.1)
-
Step 900
900
#36387A
oklch(37.7% 0.11 278.4)
-
Step 950
950
#1F2148
oklch(26.9% 0.071 278.2)
#B3BBF5 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) | #ABC1F8 | 0.017 |
| Deuteranopia (no green cones) | #A7BCF4 | 0.016 |
| Tritanopia (no blue cones) | #A3C6CF | 0.074 |
| Achromatopsia (no color) | #BEBEBE | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3BBF5
#B3BBF5
oklch(80.6% 0.082 278.3)
- #CDC182
#CDC182
oklch(80.6% 0.083 98.7)
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 #B3BBF5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.024
- Light Periwinkle #C1C6FC ΔE 0.036
- Light Steel Blue #B0C4DE ΔE 0.047
- Pale Violet #CEAEFA ΔE 0.050
- Cloudy Blue #ACC2D9 ΔE 0.051
- Baby Blue #A2CFFE ΔE 0.052
- Light Violet #D6B4FC ΔE 0.053
- Carolina Blue #8AB8FE ΔE 0.053
Use #B3BBF5 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.