#B3B5FF
Closest named color: Pastel Blue (#A2BFFE). oklch(79.9% 0.104 282.6), rgb(179, 181, 255).
Aa
Black text reads best on this color (10.97:1).
About this color
#B3B5FF is a light, moderately saturated purple. In OKLCH its lightness is 80%, its chroma 0.104 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.032 away. Black text reads best on it, at 10.97:1.
| Hue family | Purples |
| Lightness | light (80%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 10.97:1 |
| White text | 1.91:1 |
Values
| HEX | #B3B5FF |
| RGB | rgb(179, 181, 255) |
| HSL | hsl(238, 100%, 85%) |
| OKLCH | oklch(79.9% 0.104 282.6) |
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 #B3B5FF | 1.91:1 | Fails | Lc -40.8 | Non-text elements, placeholder text |
| Black text on #B3B5FF | 10.97:1 | AAA | Lc 67.4 | Content text, not long reading |
| #B3B5FF text on white | 1.91:1 | Fails | Lc 36.5 | Non-text elements, placeholder text |
| #B3B5FF text on black | 10.97:1 | AAA | Lc -66.0 | 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
#F4F4FF
oklch(97% 0.015 286.1)
-
Step 100
100
#E6E8FE
oklch(93.6% 0.03 281.7)
-
Step 200
200
#D3D5FF
oklch(88.5% 0.058 283)
-
Step 300
300 (this color)
#B3B5FF
oklch(79.9% 0.104 282.6)
-
Step 400
400
#9491FF
oklch(70.7% 0.158 282.8)
-
Step 500
500
#7C70FF
oklch(63.1% 0.205 282.6)
-
Step 600
600
#6850F3
oklch(55.6% 0.232 282.5)
-
Step 700
700
#573FD4
oklch(49.1% 0.216 282.3)
-
Step 800
800
#4735AB
oklch(42.6% 0.179 282.7)
-
Step 900
900
#3A3187
oklch(37.7% 0.138 282.2)
-
Step 950
950
#221E4F
oklch(27.1% 0.087 282.6)
#B3B5FF 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) | #A0BEFF | 0.032 |
| Deuteranopia (no green cones) | #9DB9FD | 0.030 |
| Tritanopia (no blue cones) | #A0C2CF | 0.091 |
| Achromatopsia (no color) | #BBBBBB | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3B5FF
#B3B5FF
oklch(79.9% 0.104 282.6)
- #CAC06E
#CAC06E
oklch(79.8% 0.104 102.3)
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 #B3B5FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.032
- Pale Violet #CEAEFA ΔE 0.040
- Light Violet #D6B4FC ΔE 0.049
- Carolina Blue #8AB8FE ΔE 0.051
- Light Periwinkle #C1C6FC ΔE 0.051
- Lilac #CEA2FD ΔE 0.057
- Pastel Purple #CAA0FF ΔE 0.059
- Baby Purple #CA9BF7 ΔE 0.068
Use #B3B5FF 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.