#B4B5CA
Closest named color: French Gray (#ADB5BD). oklch(77.9% 0.03 283.5), rgb(180, 181, 202).
Aa
Black text reads best on this color (10.40:1).
About this color
#B4B5CA is a medium-light close to neutral grey. In OKLCH its lightness is 78%, its chroma 0.030. It has too little chroma to lean warm or cool. The nearest named color is French Gray (#ADB5BD), ΔE 0.022 away. Black text reads best on it, at 10.40:1.
| Hue family | Neutrals |
| Lightness | medium-light (78%) |
| Chroma | close to neutral grey (0.030) |
| Temperature | neutral |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 10.40:1 |
| White text | 2.01:1 |
Values
| HEX | #B4B5CA |
| RGB | rgb(180, 181, 202) |
| HSL | hsl(237, 17%, 75%) |
| OKLCH | oklch(77.9% 0.03 283.5) |
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 #B4B5CA | 2.01:1 | Fails | Lc -43.7 | Non-text elements, placeholder text |
| Black text on #B4B5CA | 10.40:1 | AAA | Lc 64.7 | Content text, not long reading |
| #B4B5CA text on white | 2.01:1 | Fails | Lc 39.2 | Non-text elements, placeholder text |
| #B4B5CA text on black | 10.40:1 | AAA | Lc -63.1 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E9E9F0
oklch(93.6% 0.009 286.2)
-
Step 200
200
#D7D8E4
oklch(88.5% 0.016 282.2)
-
Step 300
300 (this color)
#B4B5CA
oklch(77.9% 0.03 283.5)
-
Step 400
400
#9C9DBE
oklch(70.6% 0.048 283.7)
-
Step 500
500
#8485AE
oklch(63.1% 0.061 283.4)
-
Step 600
600
#6E6E99
oklch(55.5% 0.066 284)
-
Step 700
700
#5C5C83
oklch(49.1% 0.062 283.9)
-
Step 800
800
#4B4B6A
oklch(42.6% 0.051 284)
-
Step 900
900
#3F3F56
oklch(37.7% 0.039 284.4)
-
Step 950
950
#252532
oklch(27% 0.024 284.7)
#B4B5CA 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) | #B0B7CB | 0.007 |
| Deuteranopia (no green cones) | #AFB6C9 | 0.007 |
| Tritanopia (no blue cones) | #B0B8BC | 0.025 |
| Achromatopsia (no color) | #B6B6B6 | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4B5CA
#B4B5CA
oklch(77.9% 0.03 283.5)
- #BAB8A3
#BAB8A3
oklch(77.8% 0.029 102.6)
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 #B4B5CA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.022
- Light Grey Blue #9DBCD4 ΔE 0.033
- Cloudy Blue #ACC2D9 ΔE 0.035
- Light Steel Blue #B0C4DE ΔE 0.041
- Silver #C0C0C0 ΔE 0.041
- Light Cornflower Blue #98C1D9 ΔE 0.044
- Pinkish Grey #C8ACA9 ΔE 0.050
- Dark Gray #A9A9A9 ΔE 0.053
Use #B4B5CA 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.