#B4B3FC
Closest named color: Pastel Blue (#A2BFFE). oklch(79.4% 0.103 284.4), rgb(180, 179, 252).
Aa
Black text reads best on this color (10.79:1).
About this color
#B4B3FC is a light, moderately saturated purple. In OKLCH its lightness is 79%, its chroma 0.103 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.036 away. Black text reads best on it, at 10.79:1.
| Hue family | Purples |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 10.79:1 |
| White text | 1.94:1 |
Values
| HEX | #B4B3FC |
| RGB | rgb(180, 179, 252) |
| HSL | hsl(241, 92%, 85%) |
| OKLCH | oklch(79.4% 0.103 284.4) |
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 #B4B3FC | 1.94:1 | Fails | Lc -41.7 | Non-text elements, placeholder text |
| Black text on #B4B3FC | 10.79:1 | AAA | Lc 66.6 | Content text, not long reading |
| #B4B3FC text on white | 1.94:1 | Fails | Lc 37.3 | Non-text elements, placeholder text |
| #B4B3FC text on black | 10.79:1 | AAA | Lc -65.1 | 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
#E7E8FE
oklch(93.7% 0.03 283.7)
-
Step 200
200
#D4D5FE
oklch(88.5% 0.056 284.1)
-
Step 300
300 (this color)
#B4B3FC
oklch(79.4% 0.103 284.4)
-
Step 400
400
#9790FF
oklch(70.8% 0.159 284.4)
-
Step 500
500
#806EFF
oklch(63% 0.207 284.4)
-
Step 600
600
#6C4FF0
oklch(55.5% 0.229 284.4)
-
Step 700
700
#5B3ED1
oklch(49% 0.213 284.4)
-
Step 800
800
#4A35A9
oklch(42.7% 0.176 284.4)
-
Step 900
900
#3D3086
oklch(37.7% 0.138 284.5)
-
Step 950
950
#231D4E
oklch(26.9% 0.087 284.5)
#B4B3FC 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) | #9FBCFF | 0.033 |
| Deuteranopia (no green cones) | #9CB8FA | 0.033 |
| Tritanopia (no blue cones) | #A3C0CD | 0.089 |
| Achromatopsia (no color) | #BABABA | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4B3FC
#B4B3FC
oklch(79.4% 0.103 284.4)
- #C6C06F
#C6C06F
oklch(79.5% 0.103 104.8)
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 #B4B3FC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.036
- Pale Violet #CEAEFA ΔE 0.037
- Light Violet #D6B4FC ΔE 0.049
- Carolina Blue #8AB8FE ΔE 0.052
- Lilac #CEA2FD ΔE 0.054
- Light Periwinkle #C1C6FC ΔE 0.054
- Pastel Purple #CAA0FF ΔE 0.055
- Baby Purple #CA9BF7 ΔE 0.063
Use #B4B3FC 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.