#B4B1BC
Closest named color: French Gray (#ADB5BD). oklch(76.6% 0.016 298.5), rgb(180, 177, 188).
Aa
Black text reads best on this color (9.95:1).
About this color
#B4B1BC is a medium-light close to neutral grey. In OKLCH its lightness is 77%, its chroma 0.016. It has too little chroma to lean warm or cool. The nearest named color is French Gray (#ADB5BD), ΔE 0.013 away. Black text reads best on it, at 9.95:1.
| Hue family | Neutrals |
| Lightness | medium-light (77%) |
| Chroma | close to neutral grey (0.016) |
| Temperature | neutral |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 9.95:1 |
| White text | 2.10:1 |
Values
| HEX | #B4B1BC |
| RGB | rgb(180, 177, 188) |
| HSL | hsl(256, 8%, 72%) |
| OKLCH | oklch(76.6% 0.016 298.5) |
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 #B4B1BC | 2.10:1 | Fails | Lc -46.0 | Large or bold text, headings |
| Black text on #B4B1BC | 9.95:1 | AAA | Lc 62.6 | Content text, not long reading |
| #B4B1BC text on white | 2.10:1 | Fails | Lc 41.3 | Non-text elements, placeholder text |
| #B4B1BC text on black | 9.95:1 | AAA | Lc -60.9 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#EAE9EC
oklch(93.6% 0.004 301.4)
-
Step 200
200
#DAD8DE
oklch(88.6% 0.008 301.3)
-
Step 300
300 (this color)
#B4B1BC
oklch(76.6% 0.016 298.5)
-
Step 400
400
#A29DAF
oklch(70.6% 0.026 298.4)
-
Step 500
500
#8C869B
oklch(63.2% 0.032 298.5)
-
Step 600
600
#766F86
oklch(55.6% 0.036 299.1)
-
Step 700
700
#635D71
oklch(49.1% 0.032 298.9)
-
Step 800
800
#514C5C
oklch(42.7% 0.027 299.5)
-
Step 900
900
#433F4C
oklch(37.7% 0.022 299.4)
-
Step 950
950
#27252C
oklch(27% 0.013 298.6)
#B4B1BC 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) | #AFB2BD | 0.007 |
| Deuteranopia (no green cones) | #AFB2BC | 0.007 |
| Tritanopia (no blue cones) | #B3B2B4 | 0.013 |
| Achromatopsia (no color) | #B2B2B2 | 0.016 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4B1BC
#B4B1BC
oklch(76.6% 0.016 298.5)
- #B2B5A9
#B2B5A9
oklch(76.7% 0.017 118.2)
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 #B4B1BC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.013
- Dark Gray #A9A9A9 ΔE 0.035
- Pinkish Grey #C8ACA9 ΔE 0.036
- Light Grey Blue #9DBCD4 ΔE 0.044
- Silver #C0C0C0 ΔE 0.044
- Cloudy Blue #ACC2D9 ΔE 0.050
- Cool Steel #97A7B3 ΔE 0.051
- Light Cornflower Blue #98C1D9 ΔE 0.056
Use #B4B1BC 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.