#B4B1EA
Closest named color: Pastel Blue (#A2BFFE). oklch(78.3% 0.081 286.8), rgb(180, 177, 234).
Aa
Black text reads best on this color (10.41:1).
About this color
#B4B1EA is a light, moderately saturated purple. In OKLCH its lightness is 78%, its chroma 0.081 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.043 away. Black text reads best on it, at 10.41:1.
| Hue family | Purples |
| Lightness | light (78%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 10.41:1 |
| White text | 2.01:1 |
Values
| HEX | #B4B1EA |
| RGB | rgb(180, 177, 234) |
| HSL | hsl(243, 58%, 81%) |
| OKLCH | oklch(78.3% 0.081 286.8) |
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 #B4B1EA | 2.01:1 | Fails | Lc -43.6 | Non-text elements, placeholder text |
| Black text on #B4B1EA | 10.41:1 | AAA | Lc 64.8 | Content text, not long reading |
| #B4B1EA text on white | 2.01:1 | Fails | Lc 39.1 | Non-text elements, placeholder text |
| #B4B1EA text on black | 10.41:1 | AAA | Lc -63.2 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E8E8F9
oklch(93.6% 0.023 286)
-
Step 200
200
#D6D5F6
oklch(88.4% 0.045 286.8)
-
Step 300
300 (this color)
#B4B1EA
oklch(78.3% 0.081 286.8)
-
Step 400
400
#9B93ED
oklch(70.7% 0.13 286.7)
-
Step 500
500
#8576E7
oklch(63.2% 0.165 286.8)
-
Step 600
600
#705BD5
oklch(55.6% 0.18 286.9)
-
Step 700
700
#5E4AB8
oklch(49.1% 0.166 286.9)
-
Step 800
800
#4C3E95
oklch(42.7% 0.137 286.4)
-
Step 900
900
#3F3677
oklch(37.8% 0.107 286.4)
-
Step 950
950
#252046
oklch(27.1% 0.069 286.9)
#B4B1EA 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) | #A2B8EC | 0.028 |
| Deuteranopia (no green cones) | #A1B5E8 | 0.027 |
| Tritanopia (no blue cones) | #A8BBC5 | 0.070 |
| Achromatopsia (no color) | #B7B7B7 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4B1EA
#B4B1EA
oklch(78.3% 0.081 286.8)
- #BEBC7F
#BEBC7F
oklch(78.2% 0.081 106.5)
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 #B4B1EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.043
- Pale Violet #CEAEFA ΔE 0.046
- Carolina Blue #8AB8FE ΔE 0.056
- Light Violet #D6B4FC ΔE 0.057
- Light Grey Blue #9DBCD4 ΔE 0.058
- Light Steel Blue #B0C4DE ΔE 0.058
- Cloudy Blue #ACC2D9 ΔE 0.059
- Light Periwinkle #C1C6FC ΔE 0.059
Use #B4B1EA 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.