#B5B4E9
Closest named color: Pastel Blue (#A2BFFE). oklch(78.9% 0.075 285.4), rgb(181, 180, 233).
Aa
Black text reads best on this color (10.66:1).
About this color
#B5B4E9 is a light, moderately saturated purple. In OKLCH its lightness is 79%, its chroma 0.075 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.040 away. Black text reads best on it, at 10.66:1.
| Hue family | Purples |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 10.66:1 |
| White text | 1.96:1 |
Values
| HEX | #B5B4E9 |
| RGB | rgb(181, 180, 233) |
| HSL | hsl(241, 55%, 81%) |
| OKLCH | oklch(78.9% 0.075 285.4) |
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 #B5B4E9 | 1.96:1 | Fails | Lc -42.3 | Non-text elements, placeholder text |
| Black text on #B5B4E9 | 10.66:1 | AAA | Lc 66.0 | Content text, not long reading |
| #B5B4E9 text on white | 1.96:1 | Fails | Lc 37.9 | Non-text elements, placeholder text |
| #B5B4E9 text on black | 10.66:1 | AAA | Lc -64.5 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E8E8F8
oklch(93.6% 0.022 286)
-
Step 200
200
#D6D6F4
oklch(88.5% 0.041 285.5)
-
Step 300
300 (this color)
#B5B4E9
oklch(78.9% 0.075 285.4)
-
Step 400
400
#9A95E8
oklch(70.7% 0.12 285.7)
-
Step 500
500
#8279E1
oklch(63.2% 0.153 285.1)
-
Step 600
600
#6D5FCF
oklch(55.6% 0.167 285.3)
-
Step 700
700
#5B4EB3
oklch(49.1% 0.154 285.1)
-
Step 800
800
#4B4091
oklch(42.7% 0.129 285.8)
-
Step 900
900
#3E3774
oklch(37.7% 0.101 285.7)
-
Step 950
950
#242144
oklch(27.1% 0.064 285.2)
#B5B4E9 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) | #A6BAEB | 0.023 |
| Deuteranopia (no green cones) | #A5B7E8 | 0.022 |
| Tritanopia (no blue cones) | #AABDC6 | 0.065 |
| Achromatopsia (no color) | #B9B9B9 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5B4E9
#B5B4E9
oklch(78.9% 0.075 285.4)
- #C1BE85
#C1BE85
oklch(79% 0.076 105.5)
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 #B5B4E9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.040
- Pale Violet #CEAEFA ΔE 0.048
- Light Steel Blue #B0C4DE ΔE 0.050
- Cloudy Blue #ACC2D9 ΔE 0.051
- Light Periwinkle #C1C6FC ΔE 0.052
- Light Grey Blue #9DBCD4 ΔE 0.053
- Light Violet #D6B4FC ΔE 0.056
- Carolina Blue #8AB8FE ΔE 0.058
Use #B5B4E9 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.