#B5BBCF
Closest named color: Cloudy Blue (#ACC2D9). oklch(79.4% 0.029 272.4), rgb(181, 187, 207).
Aa
Black text reads best on this color (10.97:1).
About this color
#B5BBCF is a light close to neutral grey. In OKLCH its lightness is 79%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.021 away. Black text reads best on it, at 10.97:1.
| Hue family | Neutrals |
| Lightness | light (79%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 10.97:1 |
| White text | 1.91:1 |
Values
| HEX | #B5BBCF |
| RGB | rgb(181, 187, 207) |
| HSL | hsl(226, 21%, 76%) |
| OKLCH | oklch(79.4% 0.029 272.4) |
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 #B5BBCF | 1.91:1 | Fails | Lc -40.9 | Non-text elements, placeholder text |
| Black text on #B5BBCF | 10.97:1 | AAA | Lc 67.3 | Content text, not long reading |
| #B5BBCF text on white | 1.91:1 | Fails | Lc 36.6 | Non-text elements, placeholder text |
| #B5BBCF text on black | 10.97:1 | AAA | Lc -65.9 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E8EAF0
oklch(93.7% 0.008 271.3)
-
Step 200
200
#D5D9E4
oklch(88.5% 0.016 270)
-
Step 300
300 (this color)
#B5BBCF
oklch(79.4% 0.029 272.4)
-
Step 400
400
#969FBE
oklch(70.6% 0.046 272.4)
-
Step 500
500
#7D88AE
oklch(63.2% 0.059 272.1)
-
Step 600
600
#66719A
oklch(55.6% 0.065 272.5)
-
Step 700
700
#555F83
oklch(49.2% 0.059 272.1)
-
Step 800
800
#454D6B
oklch(42.6% 0.051 272.6)
-
Step 900
900
#3A4056
oklch(37.5% 0.039 272.6)
-
Step 950
950
#222633
oklch(27.1% 0.025 271.4)
#B5BBCF 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) | #B6BCD0 | 0.003 |
| Deuteranopia (no green cones) | #B4BACE | 0.003 |
| Tritanopia (no blue cones) | #AFBFC1 | 0.027 |
| Achromatopsia (no color) | #BBBBBB | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5BBCF
#B5BBCF
oklch(79.4% 0.029 272.4)
- #C2BCA7
#C2BCA7
oklch(79.4% 0.03 93.8)
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 #B5BBCF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.021
- Light Steel Blue #B0C4DE ΔE 0.026
- French Gray #ADB5BD ΔE 0.030
- Light Grey Blue #9DBCD4 ΔE 0.031
- Silver #C0C0C0 ΔE 0.032
- Light Cornflower Blue #98C1D9 ΔE 0.038
- Light Blue Grey #B7C9E2 ΔE 0.039
- Thistle #D8BFD8 ΔE 0.053
Use #B5BBCF 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.