#B1B1D2
Closest named color: French Gray (#ADB5BD). oklch(77.1% 0.047 285.3), rgb(177, 177, 210).
Aa
Black text reads best on this color (10.08:1).
About this color
#B1B1D2 is a medium-light, muted purple. In OKLCH its lightness is 77%, its chroma 0.047 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is French Gray (#ADB5BD), ΔE 0.036 away. Black text reads best on it, at 10.08:1.
| Hue family | Purples |
| Lightness | medium-light (77%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 10.08:1 |
| White text | 2.08:1 |
Values
| HEX | #B1B1D2 |
| RGB | rgb(177, 177, 210) |
| HSL | hsl(240, 27%, 76%) |
| OKLCH | oklch(77.1% 0.047 285.3) |
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 #B1B1D2 | 2.08:1 | Fails | Lc -45.3 | Large or bold text, headings |
| Black text on #B1B1D2 | 10.08:1 | AAA | Lc 63.2 | Content text, not long reading |
| #B1B1D2 text on white | 2.08:1 | Fails | Lc 40.7 | Non-text elements, placeholder text |
| #B1B1D2 text on black | 10.08:1 | AAA | Lc -61.6 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E9F3
oklch(93.7% 0.013 286.1)
-
Step 200
200
#D7D7EA
oklch(88.5% 0.026 285.9)
-
Step 300
300 (this color)
#B1B1D2
oklch(77.1% 0.047 285.3)
-
Step 400
400
#9B9ACE
oklch(70.6% 0.076 285.2)
-
Step 500
500
#8481C1
oklch(63.1% 0.095 285.5)
-
Step 600
600
#6E6AAD
oklch(55.7% 0.103 285.3)
-
Step 700
700
#5C5895
oklch(49.2% 0.096 285.3)
-
Step 800
800
#4B4879
oklch(42.7% 0.08 285.3)
-
Step 900
900
#3E3C61
oklch(37.5% 0.063 285.4)
-
Step 950
950
#242439
oklch(27.1% 0.039 283.5)
#B1B1D2 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) | #A9B5D4 | 0.014 |
| Deuteranopia (no green cones) | #A8B3D1 | 0.013 |
| Tritanopia (no blue cones) | #AAB6BC | 0.040 |
| Achromatopsia (no color) | #B4B4B4 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1B1D2
#B1B1D2
oklch(77.1% 0.047 285.3)
- #B8B795
#B8B795
oklch(77.1% 0.047 106)
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 #B1B1D2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.036
- Light Grey Blue #9DBCD4 ΔE 0.036
- Cloudy Blue #ACC2D9 ΔE 0.043
- Light Cornflower Blue #98C1D9 ΔE 0.048
- Light Steel Blue #B0C4DE ΔE 0.049
- Dark Gray #A9A9A9 ΔE 0.059
- Silver #C0C0C0 ΔE 0.059
- Cool Steel #97A7B3 ΔE 0.062
Use #B1B1D2 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.