#B4B1D3
Closest named color: French Gray (#ADB5BD). oklch(77.4% 0.048 289.3), rgb(180, 177, 211).
Aa
Black text reads best on this color (10.17:1).
About this color
#B4B1D3 is a medium-light, muted purple. In OKLCH its lightness is 77%, its chroma 0.048 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is French Gray (#ADB5BD), ΔE 0.039 away. Black text reads best on it, at 10.17:1.
| Hue family | Purples |
| Lightness | medium-light (77%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 10.17:1 |
| White text | 2.06:1 |
Values
| HEX | #B4B1D3 |
| RGB | rgb(180, 177, 211) |
| HSL | hsl(245, 28%, 76%) |
| OKLCH | oklch(77.4% 0.048 289.3) |
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 #B4B1D3 | 2.06:1 | Fails | Lc -44.9 | Non-text elements, placeholder text |
| Black text on #B4B1D3 | 10.17:1 | AAA | Lc 63.6 | Content text, not long reading |
| #B4B1D3 text on white | 2.06:1 | Fails | Lc 40.3 | Non-text elements, placeholder text |
| #B4B1D3 text on black | 10.17:1 | AAA | Lc -62.0 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E8F3
oklch(93.5% 0.015 290.3)
-
Step 200
200
#D8D7EA
oklch(88.6% 0.026 288.3)
-
Step 300
300 (this color)
#B4B1D3
oklch(77.4% 0.048 289.3)
-
Step 400
400
#9F99CE
oklch(70.7% 0.077 289.5)
-
Step 500
500
#887FC1
oklch(63.1% 0.098 289.5)
-
Step 600
600
#7268AE
oklch(55.7% 0.107 289)
-
Step 700
700
#605695
oklch(49.1% 0.099 289.5)
-
Step 800
800
#4E4779
oklch(42.8% 0.082 288.9)
-
Step 900
900
#413B61
oklch(37.6% 0.064 290.2)
-
Step 950
950
#262339
oklch(27% 0.04 289.7)
#B4B1D3 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) | #A9B5D5 | 0.017 |
| Deuteranopia (no green cones) | #A9B4D2 | 0.017 |
| Tritanopia (no blue cones) | #AEB6BC | 0.041 |
| Achromatopsia (no color) | #B4B4B4 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4B1D3
#B4B1D3
oklch(77.4% 0.048 289.3)
- #B7B995
#B7B995
oklch(77.5% 0.049 110.1)
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 #B4B1D3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.039
- Light Grey Blue #9DBCD4 ΔE 0.039
- Cloudy Blue #ACC2D9 ΔE 0.044
- Light Steel Blue #B0C4DE ΔE 0.048
- Light Cornflower Blue #98C1D9 ΔE 0.051
- Silver #C0C0C0 ΔE 0.059
- Pinkish Grey #C8ACA9 ΔE 0.061
- Light Blue Grey #B7C9E2 ΔE 0.062
Use #B4B1D3 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.