#B9BFEC
Closest named color: Light Periwinkle (#C1C6FC). oklch(81.5% 0.064 278.9), rgb(185, 191, 236).
Aa
Black text reads best on this color (11.72:1).
About this color
#B9BFEC is a light, muted blue. In OKLCH its lightness is 82%, its chroma 0.064 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Light Periwinkle (#C1C6FC), ΔE 0.029 away. Black text reads best on it, at 11.72:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Light Periwinkle (#C1C6FC) |
| Black text | 11.72:1 |
| White text | 1.79:1 |
Values
| HEX | #B9BFEC |
| RGB | rgb(185, 191, 236) |
| HSL | hsl(233, 57%, 83%) |
| OKLCH | oklch(81.5% 0.064 278.9) |
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 #B9BFEC | 1.79:1 | Fails | Lc -37.2 | Non-text elements, placeholder text |
| Black text on #B9BFEC | 11.72:1 | AAA | Lc 70.7 | Content text, not long reading |
| #B9BFEC text on white | 1.79:1 | Fails | Lc 33.1 | Non-text elements, placeholder text |
| #B9BFEC text on black | 11.72:1 | AAA | Lc -69.5 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F6
oklch(93.6% 0.018 279.1)
-
Step 200
200
#D3D7F1
oklch(88.4% 0.036 278.7)
-
Step 300
300 (this color)
#B9BFEC
oklch(81.5% 0.064 278.9)
-
Step 400
400
#939ADF
oklch(70.7% 0.101 279)
-
Step 500
500
#797FD7
oklch(63% 0.131 279)
-
Step 600
600
#6367C4
oklch(55.6% 0.142 278.9)
-
Step 700
700
#5255A9
oklch(49% 0.132 278.8)
-
Step 800
800
#434689
oklch(42.7% 0.109 278.8)
-
Step 900
900
#383B6E
oklch(37.6% 0.086 278.8)
-
Step 950
950
#212340
oklch(27% 0.054 279.2)
#B9BFEC 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) | #B3C3EE | 0.012 |
| Deuteranopia (no green cones) | #B0C0EB | 0.012 |
| Tritanopia (no blue cones) | #ADC7CE | 0.057 |
| Achromatopsia (no color) | #C1C1C1 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B9BFEC
#B9BFEC
oklch(81.5% 0.064 278.9)
- #CCC494
#CCC494
oklch(81.5% 0.064 99.7)
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 #B9BFEC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Periwinkle #C1C6FC ΔE 0.029
- Light Steel Blue #B0C4DE ΔE 0.030
- Light Blue Grey #B7C9E2 ΔE 0.034
- Cloudy Blue #ACC2D9 ΔE 0.036
- Pastel Blue #A2BFFE ΔE 0.038
- Baby Blue #A2CFFE ΔE 0.047
- Thistle #D8BFD8 ΔE 0.050
- Light Grey Blue #9DBCD4 ΔE 0.052
Use #B9BFEC 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.