#B5B8FF
Closest named color: Pastel Blue (#A2BFFE). oklch(80.6% 0.1 282), rgb(181, 184, 255).
Aa
Black text reads best on this color (11.26:1).
About this color
#B5B8FF is a light, moderately saturated purple. In OKLCH its lightness is 81%, its chroma 0.100 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.029 away. Black text reads best on it, at 11.26:1.
| Hue family | Purples |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 11.26:1 |
| White text | 1.86:1 |
Values
| HEX | #B5B8FF |
| RGB | rgb(181, 184, 255) |
| HSL | hsl(238, 100%, 85%) |
| OKLCH | oklch(80.6% 0.1 282) |
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 #B5B8FF | 1.86:1 | Fails | Lc -39.4 | Non-text elements, placeholder text |
| Black text on #B5B8FF | 11.26:1 | AAA | Lc 68.7 | Content text, not long reading |
| #B5B8FF text on white | 1.86:1 | Fails | Lc 35.2 | Non-text elements, placeholder text |
| #B5B8FF text on black | 11.26:1 | AAA | Lc -67.4 | 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
#F4F5FF
oklch(97.2% 0.013 281.6)
-
Step 100
100
#E6E8FD
oklch(93.6% 0.028 281.5)
-
Step 200
200
#D3D5FE
oklch(88.5% 0.056 283)
-
Step 300
300 (this color)
#B5B8FF
oklch(80.6% 0.1 282)
-
Step 400
400
#9392FF
oklch(70.8% 0.157 282.1)
-
Step 500
500
#7B71FF
oklch(63.1% 0.204 282)
-
Step 600
600
#6753EE
oklch(55.5% 0.222 282.2)
-
Step 700
700
#5642D0
oklch(49.1% 0.208 282)
-
Step 800
800
#4638A8
oklch(42.7% 0.172 282)
-
Step 900
900
#3A3285
oklch(37.7% 0.134 282.2)
-
Step 950
950
#211E4E
oklch(26.9% 0.086 281.8)
#B5B8FF 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) | #A4C0FF | 0.028 |
| Deuteranopia (no green cones) | #A1BBFD | 0.027 |
| Tritanopia (no blue cones) | #A3C5D1 | 0.088 |
| Achromatopsia (no color) | #BEBEBE | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5B8FF
#B5B8FF
oklch(80.6% 0.1 282)
- #CCC274
#CCC274
oklch(80.5% 0.1 102)
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 #B5B8FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.029
- Pale Violet #CEAEFA ΔE 0.040
- Light Periwinkle #C1C6FC ΔE 0.043
- Light Violet #D6B4FC ΔE 0.046
- Carolina Blue #8AB8FE ΔE 0.053
- Lilac #CEA2FD ΔE 0.062
- Baby Blue #A2CFFE ΔE 0.063
- Pastel Purple #CAA0FF ΔE 0.064
Use #B5B8FF 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.