#B5BFEE
Closest named color: Light Periwinkle (#C1C6FC). oklch(81.3% 0.067 275.4), rgb(181, 191, 238).
Aa
Black text reads best on this color (11.65:1).
About this color
#B5BFEE is a light, muted blue. In OKLCH its lightness is 81%, its chroma 0.067 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Light Periwinkle (#C1C6FC), ΔE 0.030 away. Black text reads best on it, at 11.65:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Light Periwinkle (#C1C6FC) |
| Black text | 11.65:1 |
| White text | 1.80:1 |
Values
| HEX | #B5BFEE |
| RGB | rgb(181, 191, 238) |
| HSL | hsl(229, 63%, 82%) |
| OKLCH | oklch(81.3% 0.067 275.4) |
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 #B5BFEE | 1.80:1 | Fails | Lc -37.5 | Non-text elements, placeholder text |
| Black text on #B5BFEE | 11.65:1 | AAA | Lc 70.4 | Content text, not long reading |
| #B5BFEE text on white | 1.80:1 | Fails | Lc 33.5 | Non-text elements, placeholder text |
| #B5BFEE text on black | 11.65:1 | AAA | Lc -69.2 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E6E9F7
oklch(93.6% 0.019 276.3)
-
Step 200
200
#D2D8F2
oklch(88.6% 0.036 275.3)
-
Step 300
300 (this color)
#B5BFEE
oklch(81.3% 0.067 275.4)
-
Step 400
400
#8E9BE4
oklch(70.8% 0.108 275.6)
-
Step 500
500
#7380DC
oklch(63.1% 0.138 275.6)
-
Step 600
600
#5C68C9
oklch(55.6% 0.149 275.2)
-
Step 700
700
#4C56AE
oklch(49.1% 0.139 275.2)
-
Step 800
800
#3E478D
oklch(42.8% 0.115 274.9)
-
Step 900
900
#353C70
oklch(37.7% 0.089 275.5)
-
Step 950
950
#1F2342
oklch(26.9% 0.058 276.3)
#B5BFEE 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) | #B2C3F0 | 0.010 |
| Deuteranopia (no green cones) | #AEBFED | 0.009 |
| Tritanopia (no blue cones) | #A7C8CF | 0.061 |
| Achromatopsia (no color) | #C1C1C1 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5BFEE
#B5BFEE
oklch(81.3% 0.067 275.4)
- #CFC290
#CFC290
oklch(81.3% 0.068 95.3)
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 #B5BFEE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Periwinkle #C1C6FC ΔE 0.030
- Light Steel Blue #B0C4DE ΔE 0.031
- Pastel Blue #A2BFFE ΔE 0.032
- Light Blue Grey #B7C9E2 ΔE 0.036
- Cloudy Blue #ACC2D9 ΔE 0.036
- Baby Blue #A2CFFE ΔE 0.044
- Light Grey Blue #9DBCD4 ΔE 0.050
- Light Cornflower Blue #98C1D9 ΔE 0.050
Use #B5BFEE 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.