#BFC4EC
Closest named color: Light Periwinkle (#C1C6FC). oklch(83% 0.056 279.5), rgb(191, 196, 236).
Aa
Black text reads best on this color (12.32:1).
About this color
#BFC4EC is a light, muted blue. In OKLCH its lightness is 83%, its chroma 0.056 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Light Periwinkle (#C1C6FC), ΔE 0.023 away. Black text reads best on it, at 12.32:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Light Periwinkle (#C1C6FC) |
| Black text | 12.32:1 |
| White text | 1.70:1 |
Values
| HEX | #BFC4EC |
| RGB | rgb(191, 196, 236) |
| HSL | hsl(233, 54%, 84%) |
| OKLCH | oklch(83% 0.056 279.5) |
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 #BFC4EC | 1.70:1 | Fails | Lc -34.3 | Non-text elements, placeholder text |
| Black text on #BFC4EC | 12.32:1 | AAA | Lc 73.3 | Content text, not long reading |
| #BFC4EC text on white | 1.70:1 | Fails | Lc 30.5 | Non-text elements, placeholder text |
| #BFC4EC text on black | 12.32:1 | AAA | Lc -72.3 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F5
oklch(93.6% 0.016 278.5)
-
Step 200
200
#D4D7EE
oklch(88.4% 0.032 279.8)
-
Step 300
300 (this color)
#BFC4EC
oklch(83% 0.056 279.5)
-
Step 400
400
#959BD8
oklch(70.8% 0.089 279.5)
-
Step 500
500
#7B81CE
oklch(63.1% 0.115 279.1)
-
Step 600
600
#6569BB
oklch(55.6% 0.126 279.4)
-
Step 700
700
#5457A1
oklch(49.1% 0.117 279.4)
-
Step 800
800
#454882
oklch(42.8% 0.095 279.3)
-
Step 900
900
#3A3C69
oklch(37.7% 0.076 280.1)
-
Step 950
950
#22243D
oklch(27.1% 0.046 279.3)
#BFC4EC 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) | #BAC8EE | 0.011 |
| Deuteranopia (no green cones) | #B7C5EB | 0.011 |
| Tritanopia (no blue cones) | #B5CBD1 | 0.050 |
| Achromatopsia (no color) | #C6C6C6 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BFC4EC
#BFC4EC
oklch(83% 0.056 279.5)
- #D0C99F
#D0C99F
oklch(83.1% 0.057 99.6)
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 #BFC4EC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Periwinkle #C1C6FC ΔE 0.023
- Light Blue Grey #B7C9E2 ΔE 0.025
- Light Steel Blue #B0C4DE ΔE 0.029
- Cloudy Blue #ACC2D9 ΔE 0.038
- Thistle #D8BFD8 ΔE 0.041
- Baby Blue #A2CFFE ΔE 0.044
- Pastel Blue #A2BFFE ΔE 0.049
- Light Lavender #DFC5FE ΔE 0.053
Use #BFC4EC 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.