#B5B1FE
Closest named color: Pale Violet (#CEAEFA). oklch(79.2% 0.108 286), rgb(181, 177, 254).
Aa
Black text reads best on this color (10.68:1).
About this color
#B5B1FE is a light, moderately saturated purple. In OKLCH its lightness is 79%, its chroma 0.108 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Violet (#CEAEFA), ΔE 0.036 away. Black text reads best on it, at 10.68:1.
| Hue family | Purples |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Pale Violet (#CEAEFA) |
| Black text | 10.68:1 |
| White text | 1.96:1 |
Values
| HEX | #B5B1FE |
| RGB | rgb(181, 177, 254) |
| HSL | hsl(243, 97%, 85%) |
| OKLCH | oklch(79.2% 0.108 286) |
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 #B5B1FE | 1.96:1 | Fails | Lc -42.2 | Non-text elements, placeholder text |
| Black text on #B5B1FE | 10.68:1 | AAA | Lc 66.1 | Content text, not long reading |
| #B5B1FE text on white | 1.96:1 | Fails | Lc 37.8 | Non-text elements, placeholder text |
| #B5B1FE text on black | 10.68:1 | AAA | Lc -64.6 | 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
#E7E7FF
oklch(93.5% 0.032 285.8)
-
Step 200
200
#D5D4FF
oklch(88.5% 0.059 286.2)
-
Step 300
300 (this color)
#B5B1FE
oklch(79.2% 0.108 286)
-
Step 400
400
#9A8FFF
oklch(70.8% 0.16 286)
-
Step 500
500
#846DFF
oklch(63.2% 0.208 286)
-
Step 600
600
#7149F6
oklch(55.6% 0.242 286.2)
-
Step 700
700
#5F38D6
oklch(49.1% 0.224 286.1)
-
Step 800
800
#4D31AD
oklch(42.8% 0.185 285.9)
-
Step 900
900
#3F2E89
oklch(37.8% 0.144 285.8)
-
Step 950
950
#241C50
oklch(27% 0.091 285.5)
#B5B1FE 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) | #9BBBFF | 0.039 |
| Deuteranopia (no green cones) | #9AB7FC | 0.037 |
| Tritanopia (no blue cones) | #A4BFCD | 0.093 |
| Achromatopsia (no color) | #B9B9B9 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5B1FE
#B5B1FE
oklch(79.2% 0.108 286)
- #C4C06A
#C4C06A
oklch(79.2% 0.109 106.3)
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 #B5B1FE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Violet #CEAEFA ΔE 0.036
- Pastel Blue #A2BFFE ΔE 0.041
- Lilac #CEA2FD ΔE 0.049
- Light Violet #D6B4FC ΔE 0.049
- Pastel Purple #CAA0FF ΔE 0.050
- Carolina Blue #8AB8FE ΔE 0.055
- Baby Purple #CA9BF7 ΔE 0.058
- Light Periwinkle #C1C6FC ΔE 0.060
Use #B5B1FE 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.