#B3BCDA
Closest named color: Cloudy Blue (#ACC2D9). oklch(79.8% 0.044 272.2), rgb(179, 188, 218).
Aa
Black text reads best on this color (11.12:1).
About this color
#B3BCDA is a light, muted blue. In OKLCH its lightness is 80%, its chroma 0.044 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.018 away. Black text reads best on it, at 11.12:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.12:1 |
| White text | 1.88:1 |
Values
| HEX | #B3BCDA |
| RGB | rgb(179, 188, 218) |
| HSL | hsl(226, 35%, 78%) |
| OKLCH | oklch(79.8% 0.044 272.2) |
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 #B3BCDA | 1.88:1 | Fails | Lc -40.1 | Non-text elements, placeholder text |
| Black text on #B3BCDA | 11.12:1 | AAA | Lc 68.0 | Content text, not long reading |
| #B3BCDA text on white | 1.88:1 | Fails | Lc 35.9 | Non-text elements, placeholder text |
| #B3BCDA text on black | 11.12:1 | AAA | Lc -66.6 | 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
#D3D9EA
oklch(88.6% 0.024 270.3)
-
Step 300
300 (this color)
#B3BCDA
oklch(79.8% 0.044 272.2)
-
Step 400
400
#919ECD
oklch(70.6% 0.071 272.5)
-
Step 500
500
#7786C0
oklch(63.1% 0.089 272.5)
-
Step 600
600
#606FAC
oklch(55.6% 0.097 272.4)
-
Step 700
700
#4F5D94
oklch(49.2% 0.09 271.9)
-
Step 800
800
#414C78
oklch(42.7% 0.075 272.2)
-
Step 900
900
#373F61
oklch(37.6% 0.059 273.1)
-
Step 950
950
#202539
oklch(26.9% 0.038 272.9)
#B3BCDA 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) | #B4BEDB | 0.005 |
| Deuteranopia (no green cones) | #B1BBD9 | 0.004 |
| Tritanopia (no blue cones) | #AAC1C6 | 0.038 |
| Achromatopsia (no color) | #BDBDBD | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3BCDA
#B3BCDA
oklch(79.8% 0.044 272.2)
- #C7BD9E
#C7BD9E
oklch(79.8% 0.044 92.3)
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 #B3BCDA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.018
- Light Steel Blue #B0C4DE ΔE 0.020
- Light Grey Blue #9DBCD4 ΔE 0.030
- Light Blue Grey #B7C9E2 ΔE 0.034
- Light Cornflower Blue #98C1D9 ΔE 0.035
- French Gray #ADB5BD ΔE 0.042
- Silver #C0C0C0 ΔE 0.045
- Pastel Blue #A2BFFE ΔE 0.053
Use #B3BCDA 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.