#B9BFDA
Closest named color: Light Steel Blue (#B0C4DE). oklch(80.9% 0.039 275.6), rgb(185, 191, 218).
Aa
Black text reads best on this color (11.52:1).
About this color
#B9BFDA is a light, muted blue. In OKLCH its lightness is 81%, its chroma 0.039 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Light Steel Blue (#B0C4DE), ΔE 0.016 away. Black text reads best on it, at 11.52:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 11.52:1 |
| White text | 1.82:1 |
Values
| HEX | #B9BFDA |
| RGB | rgb(185, 191, 218) |
| HSL | hsl(229, 31%, 79%) |
| OKLCH | oklch(80.9% 0.039 275.6) |
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 #B9BFDA | 1.82:1 | Fails | Lc -38.1 | Non-text elements, placeholder text |
| Black text on #B9BFDA | 11.52:1 | AAA | Lc 69.8 | Content text, not long reading |
| #B9BFDA text on white | 1.82:1 | Fails | Lc 34.0 | Non-text elements, placeholder text |
| #B9BFDA text on black | 11.52:1 | AAA | Lc -68.6 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7E9F2
oklch(93.5% 0.012 276.1)
-
Step 200
200
#D5D8E8
oklch(88.5% 0.022 277.5)
-
Step 300
300 (this color)
#B9BFDA
oklch(80.9% 0.039 275.6)
-
Step 400
400
#959EC8
oklch(70.7% 0.062 275.3)
-
Step 500
500
#7C86B9
oklch(63.2% 0.078 275.4)
-
Step 600
600
#656FA5
oklch(55.6% 0.085 275.3)
-
Step 700
700
#545D8E
oklch(49.2% 0.079 275.2)
-
Step 800
800
#454C73
oklch(42.8% 0.065 275.5)
-
Step 900
900
#3A3F5D
oklch(37.7% 0.052 276.3)
-
Step 950
950
#222536
oklch(27% 0.032 276.3)
#B9BFDA 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) | #B8C1DB | 0.005 |
| Deuteranopia (no green cones) | #B6BFD9 | 0.004 |
| Tritanopia (no blue cones) | #B2C4C8 | 0.035 |
| Achromatopsia (no color) | #C0C0C0 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B9BFDA
#B9BFDA
oklch(80.9% 0.039 275.6)
- #C8C1A5
#C8C1A5
oklch(80.9% 0.039 95.5)
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 #B9BFDA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Steel Blue #B0C4DE ΔE 0.016
- Cloudy Blue #ACC2D9 ΔE 0.018
- Light Blue Grey #B7C9E2 ΔE 0.025
- Silver #C0C0C0 ΔE 0.039
- Light Grey Blue #9DBCD4 ΔE 0.039
- Light Cornflower Blue #98C1D9 ΔE 0.042
- Thistle #D8BFD8 ΔE 0.043
- French Gray #ADB5BD ΔE 0.047
Use #B9BFDA 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.