#B5BCDC
Closest named color: Cloudy Blue (#ACC2D9). oklch(80% 0.046 275.6), rgb(181, 188, 220).
Aa
Black text reads best on this color (11.19:1).
About this color
#B5BCDC is a light, muted blue. In OKLCH its lightness is 80%, its chroma 0.046 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.021 away. Black text reads best on it, at 11.19:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.19:1 |
| White text | 1.87:1 |
Values
| HEX | #B5BCDC |
| RGB | rgb(181, 188, 220) |
| HSL | hsl(229, 36%, 79%) |
| OKLCH | oklch(80% 0.046 275.6) |
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 #B5BCDC | 1.87:1 | Fails | Lc -39.8 | Non-text elements, placeholder text |
| Black text on #B5BCDC | 11.19:1 | AAA | Lc 68.3 | Content text, not long reading |
| #B5BCDC text on white | 1.87:1 | Fails | Lc 35.5 | Non-text elements, placeholder text |
| #B5BCDC text on black | 11.19:1 | AAA | Lc -67.0 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
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)
#B5BCDC
oklch(80% 0.046 275.6)
-
Step 400
400
#939DCF
oklch(70.6% 0.074 275.6)
-
Step 500
500
#7985C2
oklch(63.2% 0.093 274.9)
-
Step 600
600
#636DAF
oklch(55.6% 0.103 276)
-
Step 700
700
#525B96
oklch(49.1% 0.095 275.8)
-
Step 800
800
#434B7A
oklch(42.8% 0.079 275.2)
-
Step 900
900
#383F62
oklch(37.8% 0.061 274.5)
-
Step 950
950
#212539
oklch(27% 0.038 274.9)
#B5BCDC 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) | #B3BFDE | 0.008 |
| Deuteranopia (no green cones) | #B1BCDB | 0.006 |
| Tritanopia (no blue cones) | #ACC2C6 | 0.042 |
| Achromatopsia (no color) | #BDBDBD | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5BCDC
#B5BCDC
oklch(80% 0.046 275.6)
- #C6BE9D
#C6BE9D
oklch(79.9% 0.046 95.9)
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 #B5BCDC, 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 0.021
- Light Blue Grey #B7C9E2 ΔE 0.034
- Light Grey Blue #9DBCD4 ΔE 0.034
- Light Cornflower Blue #98C1D9 ΔE 0.039
- French Gray #ADB5BD ΔE 0.046
- Silver #C0C0C0 ΔE 0.047
- Thistle #D8BFD8 ΔE 0.051
Use #B5BCDC 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.