#B3B1BF
Closest named color: French Gray (#ADB5BD). oklch(76.6% 0.02 292.5), rgb(179, 177, 191).
Aa
Black text reads best on this color (9.95:1).
About this color
#B3B1BF is a medium-light close to neutral grey. In OKLCH its lightness is 77%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is French Gray (#ADB5BD), ΔE 0.014 away. Black text reads best on it, at 9.95:1.
| Hue family | Neutrals |
| Lightness | medium-light (77%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 9.95:1 |
| White text | 2.10:1 |
Values
| HEX | #B3B1BF |
| RGB | rgb(179, 177, 191) |
| HSL | hsl(249, 10%, 72%) |
| OKLCH | oklch(76.6% 0.02 292.5) |
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 #B3B1BF | 2.10:1 | Fails | Lc -46.0 | Large or bold text, headings |
| Black text on #B3B1BF | 9.95:1 | AAA | Lc 62.6 | Content text, not long reading |
| #B3B1BF text on white | 2.10:1 | Fails | Lc 41.3 | Non-text elements, placeholder text |
| #B3B1BF 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
#EAE9ED
oklch(93.6% 0.005 297.7)
-
Step 200
200
#D9D8E0
oklch(88.5% 0.011 291.9)
-
Step 300
300 (this color)
#B3B1BF
oklch(76.6% 0.02 292.5)
-
Step 400
400
#A19DB3
oklch(70.7% 0.032 293.9)
-
Step 500
500
#8A85A0
oklch(63% 0.04 293.7)
-
Step 600
600
#746F8B
oklch(55.6% 0.043 293.1)
-
Step 700
700
#615D76
oklch(49.2% 0.04 292.2)
-
Step 800
800
#4F4C60
oklch(42.7% 0.033 291.8)
-
Step 900
900
#423F4F
oklch(37.7% 0.027 293.6)
-
Step 950
950
#26252E
oklch(26.9% 0.017 290.3)
#B3B1BF 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) | #AEB3C0 | 0.008 |
| Deuteranopia (no green cones) | #AEB2BF | 0.007 |
| Tritanopia (no blue cones) | #B1B3B5 | 0.017 |
| Achromatopsia (no color) | #B2B2B2 | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3B1BF
#B3B1BF
oklch(76.6% 0.02 292.5)
- #B3B5A6
#B3B5A6
oklch(76.7% 0.021 113.1)
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 #B3B1BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.014
- Dark Gray #A9A9A9 ΔE 0.037
- Pinkish Grey #C8ACA9 ΔE 0.039
- Light Grey Blue #9DBCD4 ΔE 0.041
- Silver #C0C0C0 ΔE 0.046
- Cloudy Blue #ACC2D9 ΔE 0.048
- Cool Steel #97A7B3 ΔE 0.051
- Light Cornflower Blue #98C1D9 ΔE 0.053
Use #B3B1BF 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.