#B4B3CA
Closest named color: French Gray (#ADB5BD). oklch(77.5% 0.032 287.6), rgb(180, 179, 202).
Aa
Black text reads best on this color (10.24:1).
About this color
#B4B3CA is a medium-light, muted purple. In OKLCH its lightness is 77%, its chroma 0.032 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is French Gray (#ADB5BD), ΔE 0.024 away. Black text reads best on it, at 10.24:1.
| Hue family | Purples |
| Lightness | medium-light (77%) |
| Chroma | muted (0.032) |
| Temperature | cool |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 10.24:1 |
| White text | 2.05:1 |
Values
| HEX | #B4B3CA |
| RGB | rgb(180, 179, 202) |
| HSL | hsl(243, 18%, 75%) |
| OKLCH | oklch(77.5% 0.032 287.6) |
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 #B4B3CA | 2.05:1 | Fails | Lc -44.5 | Non-text elements, placeholder text |
| Black text on #B4B3CA | 10.24:1 | AAA | Lc 64.0 | Content text, not long reading |
| #B4B3CA text on white | 2.05:1 | Fails | Lc 40.0 | Non-text elements, placeholder text |
| #B4B3CA text on black | 10.24:1 | AAA | Lc -62.3 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E9E9F0
oklch(93.6% 0.009 286.2)
-
Step 200
200
#D8D7E5
oklch(88.4% 0.019 289.3)
-
Step 300
300 (this color)
#B4B3CA
oklch(77.5% 0.032 287.6)
-
Step 400
400
#9E9CC0
oklch(70.7% 0.052 287.5)
-
Step 500
500
#8784B0
oklch(63.2% 0.066 287.5)
-
Step 600
600
#716D9C
oklch(55.7% 0.072 287.7)
-
Step 700
700
#5E5B85
oklch(49.1% 0.067 286.9)
-
Step 800
800
#4D4A6C
oklch(42.6% 0.056 287.8)
-
Step 900
900
#403E58
oklch(37.7% 0.044 287.6)
-
Step 950
950
#252433
oklch(26.8% 0.028 287.4)
#B4B3CA 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) | #AEB6CB | 0.011 |
| Deuteranopia (no green cones) | #AEB4C9 | 0.009 |
| Tritanopia (no blue cones) | #B0B7BA | 0.029 |
| Achromatopsia (no color) | #B5B5B5 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4B3CA
#B4B3CA
oklch(77.5% 0.032 287.6)
- #B7B8A0
#B7B8A0
oklch(77.5% 0.033 109.1)
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 #B4B3CA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.024
- Light Grey Blue #9DBCD4 ΔE 0.035
- Cloudy Blue #ACC2D9 ΔE 0.039
- Light Steel Blue #B0C4DE ΔE 0.045
- Silver #C0C0C0 ΔE 0.046
- Light Cornflower Blue #98C1D9 ΔE 0.047
- Pinkish Grey #C8ACA9 ΔE 0.050
- Dark Gray #A9A9A9 ΔE 0.052
Use #B4B3CA 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.