#B1BBC3
Closest named color: French Gray (#ADB5BD). oklch(78.7% 0.016 241.8), rgb(177, 187, 195).
Aa
Black text reads best on this color (10.76:1).
About this color
#B1BBC3 is a light close to neutral grey. In OKLCH its lightness is 79%, its chroma 0.016. It has too little chroma to lean warm or cool. The nearest named color is French Gray (#ADB5BD), ΔE 0.018 away. Black text reads best on it, at 10.76:1.
| Hue family | Neutrals |
| Lightness | light (79%) |
| Chroma | close to neutral grey (0.016) |
| Temperature | neutral |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 10.76:1 |
| White text | 1.95:1 |
Values
| HEX | #B1BBC3 |
| RGB | rgb(177, 187, 195) |
| HSL | hsl(207, 13%, 73%) |
| OKLCH | oklch(78.7% 0.016 241.8) |
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 #B1BBC3 | 1.95:1 | Fails | Lc -41.9 | Non-text elements, placeholder text |
| Black text on #B1BBC3 | 10.76:1 | AAA | Lc 66.4 | Content text, not long reading |
| #B1BBC3 text on white | 1.95:1 | Fails | Lc 37.5 | Non-text elements, placeholder text |
| #B1BBC3 text on black | 10.76:1 | AAA | Lc -64.9 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D4DADE
oklch(88.5% 0.009 236.6)
-
Step 300
300 (this color)
#B1BBC3
oklch(78.7% 0.016 241.8)
-
Step 400
400
#93A3AF
oklch(70.7% 0.025 240.2)
-
Step 500
500
#798C9C
oklch(63.1% 0.033 243.7)
-
Step 600
600
#617687
oklch(55.5% 0.036 242.8)
-
Step 700
700
#516372
oklch(49% 0.033 243.6)
-
Step 800
800
#42515D
oklch(42.7% 0.028 242.5)
-
Step 900
900
#38434C
oklch(37.7% 0.021 243)
-
Step 950
950
#21272D
oklch(26.9% 0.014 248.4)
#B1BBC3 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) | #B8BBC3 | 0.009 |
| Deuteranopia (no green cones) | #B5B9C3 | 0.007 |
| Tritanopia (no blue cones) | #ADBDBD | 0.013 |
| Achromatopsia (no color) | #BABABA | 0.016 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1BBC3
#B1BBC3
oklch(78.7% 0.016 241.8)
- #C1B7AF
#C1B7AF
oklch(78.5% 0.016 61.3)
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 #B1BBC3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.018
- Silver #C0C0C0 ΔE 0.026
- Cloudy Blue #ACC2D9 ΔE 0.031
- Light Grey Blue #9DBCD4 ΔE 0.033
- Light Steel Blue #B0C4DE ΔE 0.039
- Light Cornflower Blue #98C1D9 ΔE 0.040
- Light Blue Grey #B7C9E2 ΔE 0.050
- Pinkish Grey #C8ACA9 ΔE 0.050
Use #B1BBC3 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.