#B5BBDA
Closest named color: Cloudy Blue (#ACC2D9). oklch(79.7% 0.044 276.7), rgb(181, 187, 218).
Aa
Black text reads best on this color (11.08:1).
About this color
#B5BBDA is a light, muted blue. In OKLCH its lightness is 80%, its chroma 0.044 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.022 away. Black text reads best on it, at 11.08:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.08:1 |
| White text | 1.89:1 |
Values
| HEX | #B5BBDA |
| RGB | rgb(181, 187, 218) |
| HSL | hsl(230, 33%, 78%) |
| OKLCH | oklch(79.7% 0.044 276.7) |
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 #B5BBDA | 1.89:1 | Fails | Lc -40.3 | Non-text elements, placeholder text |
| Black text on #B5BBDA | 11.08:1 | AAA | Lc 67.9 | Content text, not long reading |
| #B5BBDA text on white | 1.89:1 | Fails | Lc 36.0 | Non-text elements, placeholder text |
| #B5BBDA text on black | 11.08:1 | AAA | Lc -66.5 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7E9F3
oklch(93.5% 0.014 277.1)
-
Step 200
200
#D4D8EA
oklch(88.5% 0.025 275.9)
-
Step 300
300 (this color)
#B5BBDA
oklch(79.7% 0.044 276.7)
-
Step 400
400
#959DCD
oklch(70.7% 0.071 277.1)
-
Step 500
500
#7B84C0
oklch(63% 0.091 276.9)
-
Step 600
600
#656DAC
oklch(55.5% 0.098 277.2)
-
Step 700
700
#535B94
oklch(49% 0.092 276.4)
-
Step 800
800
#444B78
oklch(42.8% 0.075 276)
-
Step 900
900
#393E61
oklch(37.6% 0.06 276.9)
-
Step 950
950
#222539
oklch(27.1% 0.037 277)
#B5BBDA 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) | #B3BEDB | 0.008 |
| Deuteranopia (no green cones) | #B1BBD9 | 0.006 |
| Tritanopia (no blue cones) | #ADC0C5 | 0.039 |
| Achromatopsia (no color) | #BCBCBC | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5BBDA
#B5BBDA
oklch(79.7% 0.044 276.7)
- #C5BD9D
#C5BD9D
oklch(79.7% 0.044 95.6)
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 #B5BBDA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.022
- Light Steel Blue #B0C4DE ΔE 0.023
- Light Grey Blue #9DBCD4 ΔE 0.033
- Light Blue Grey #B7C9E2 ΔE 0.036
- Light Cornflower Blue #98C1D9 ΔE 0.039
- French Gray #ADB5BD ΔE 0.043
- Silver #C0C0C0 ΔE 0.046
- Thistle #D8BFD8 ΔE 0.051
Use #B5BBDA 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.