#B1B3CD
Closest named color: French Gray (#ADB5BD). oklch(77.4% 0.037 282), rgb(177, 179, 205).
Aa
Black text reads best on this color (10.19:1).
About this color
#B1B3CD is a medium-light, muted purple. In OKLCH its lightness is 77%, its chroma 0.037 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is French Gray (#ADB5BD), ΔE 0.027 away. Black text reads best on it, at 10.19:1.
| Hue family | Purples |
| Lightness | medium-light (77%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 10.19:1 |
| White text | 2.05:1 |
Values
| HEX | #B1B3CD |
| RGB | rgb(177, 179, 205) |
| HSL | hsl(236, 22%, 75%) |
| OKLCH | oklch(77.4% 0.037 282) |
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 #B1B3CD | 2.05:1 | Fails | Lc -44.7 | Non-text elements, placeholder text |
| Black text on #B1B3CD | 10.19:1 | AAA | Lc 63.8 | Content text, not long reading |
| #B1B3CD text on white | 2.05:1 | Fails | Lc 40.2 | Non-text elements, placeholder text |
| #B1B3CD text on black | 10.19:1 | AAA | Lc -62.1 | 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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E8E9F1
oklch(93.6% 0.011 280.5)
-
Step 200
200
#D6D8E7
oklch(88.5% 0.021 279.9)
-
Step 300
300 (this color)
#B1B3CD
oklch(77.4% 0.037 282)
-
Step 400
400
#9A9DC5
oklch(70.8% 0.058 281.4)
-
Step 500
500
#8284B6
oklch(63.1% 0.075 282.2)
-
Step 600
600
#6C6DA2
oklch(55.6% 0.082 282.6)
-
Step 700
700
#5A5B8B
oklch(49.1% 0.076 282.3)
-
Step 800
800
#494B71
oklch(42.8% 0.063 281.1)
-
Step 900
900
#3D3E5B
oklch(37.6% 0.049 282.2)
-
Step 950
950
#242535
oklch(27.1% 0.03 281.4)
#B1B3CD 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) | #ADB6CE | 0.009 |
| Deuteranopia (no green cones) | #ACB4CC | 0.007 |
| Tritanopia (no blue cones) | #ABB7BB | 0.033 |
| Achromatopsia (no color) | #B5B5B5 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1B3CD
#B1B3CD
oklch(77.4% 0.037 282)
- #BAB79C
#BAB79C
oklch(77.5% 0.037 102)
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 #B1B3CD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.027
- Light Grey Blue #9DBCD4 ΔE 0.032
- Cloudy Blue #ACC2D9 ΔE 0.038
- Light Cornflower Blue #98C1D9 ΔE 0.044
- Light Steel Blue #B0C4DE ΔE 0.045
- Silver #C0C0C0 ΔE 0.050
- Dark Gray #A9A9A9 ΔE 0.054
- Pinkish Grey #C8ACA9 ΔE 0.055
Use #B1B3CD 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.