#B1B4E1
Closest named color: Light Grey Blue (#9DBCD4). oklch(78.3% 0.064 281.8), rgb(177, 180, 225).
Aa
Black text reads best on this color (10.48:1).
About this color
#B1B4E1 is a light, muted purple. In OKLCH its lightness is 78%, its chroma 0.064 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.041 away. Black text reads best on it, at 10.48:1.
| Hue family | Purples |
| Lightness | light (78%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.48:1 |
| White text | 2.00:1 |
Values
| HEX | #B1B4E1 |
| RGB | rgb(177, 180, 225) |
| HSL | hsl(236, 44%, 79%) |
| OKLCH | oklch(78.3% 0.064 281.8) |
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 #B1B4E1 | 2.00:1 | Fails | Lc -43.3 | Non-text elements, placeholder text |
| Black text on #B1B4E1 | 10.48:1 | AAA | Lc 65.1 | Content text, not long reading |
| #B1B4E1 text on white | 2.00:1 | Fails | Lc 38.8 | Non-text elements, placeholder text |
| #B1B4E1 text on black | 10.48:1 | AAA | Lc -63.6 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F6
oklch(93.6% 0.018 279.1)
-
Step 200
200
#D5D7F1
oklch(88.6% 0.036 282.1)
-
Step 300
300 (this color)
#B1B4E1
oklch(78.3% 0.064 281.8)
-
Step 400
400
#9699DF
oklch(70.8% 0.102 281.6)
-
Step 500
500
#7E7ED6
oklch(63.2% 0.131 282)
-
Step 600
600
#6865C3
oklch(55.5% 0.142 282.2)
-
Step 700
700
#5654A9
oklch(49.1% 0.132 281.4)
-
Step 800
800
#474589
oklch(42.8% 0.11 282)
-
Step 900
900
#3B3B6D
oklch(37.8% 0.084 281.6)
-
Step 950
950
#222340
oklch(27.1% 0.053 280.7)
#B1B4E1 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) | #A8B9E3 | 0.016 |
| Deuteranopia (no green cones) | #A6B6E0 | 0.015 |
| Tritanopia (no blue cones) | #A6BCC3 | 0.057 |
| Achromatopsia (no color) | #B7B7B7 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1B4E1
#B1B4E1
oklch(78.3% 0.064 281.8)
- #C0BA8B
#C0BA8B
oklch(78.2% 0.063 101.6)
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 #B1B4E1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.041
- Cloudy Blue #ACC2D9 ΔE 0.043
- Light Steel Blue #B0C4DE ΔE 0.044
- Pastel Blue #A2BFFE ΔE 0.045
- Light Cornflower Blue #98C1D9 ΔE 0.049
- French Gray #ADB5BD ΔE 0.054
- Light Blue Grey #B7C9E2 ΔE 0.057
- Light Periwinkle #C1C6FC ΔE 0.059
Use #B1B4E1 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.