#B1B2DA
Closest named color: Light Grey Blue (#9DBCD4). oklch(77.6% 0.057 283.9), rgb(177, 178, 218).
Aa
Black text reads best on this color (10.24:1).
About this color
#B1B2DA is a medium-light, muted purple. In OKLCH its lightness is 78%, its chroma 0.057 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.039 away. Black text reads best on it, at 10.24:1.
| Hue family | Purples |
| Lightness | medium-light (78%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.24:1 |
| White text | 2.04:1 |
Values
| HEX | #B1B2DA |
| RGB | rgb(177, 178, 218) |
| HSL | hsl(239, 36%, 77%) |
| OKLCH | oklch(77.6% 0.057 283.9) |
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 #B1B2DA | 2.04:1 | Fails | Lc -44.5 | Non-text elements, placeholder text |
| Black text on #B1B2DA | 10.24:1 | AAA | Lc 64.0 | Content text, not long reading |
| #B1B2DA text on white | 2.04:1 | Fails | Lc 39.9 | Non-text elements, placeholder text |
| #B1B2DA text on black | 10.24:1 | AAA | Lc -62.4 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E8E9F5
oklch(93.7% 0.016 282.3)
-
Step 200
200
#D6D7EE
oklch(88.5% 0.031 283.8)
-
Step 300
300 (this color)
#B1B2DA
oklch(77.6% 0.057 283.9)
-
Step 400
400
#9999D8
oklch(70.7% 0.092 283.8)
-
Step 500
500
#817FCD
oklch(63.1% 0.116 283.7)
-
Step 600
600
#6B67BA
oklch(55.6% 0.126 283.7)
-
Step 700
700
#5A55A0
oklch(49.1% 0.117 284.2)
-
Step 800
800
#494682
oklch(42.7% 0.097 283.7)
-
Step 900
900
#3D3B68
oklch(37.6% 0.076 284.2)
-
Step 950
950
#24233D
oklch(27.1% 0.048 284.5)
#B1B2DA 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) | #A8B6DC | 0.015 |
| Deuteranopia (no green cones) | #A7B4D9 | 0.014 |
| Tritanopia (no blue cones) | #A8B9BF | 0.051 |
| Achromatopsia (no color) | #B5B5B5 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1B2DA
#B1B2DA
oklch(77.6% 0.057 283.9)
- #BCB98F
#BCB98F
oklch(77.8% 0.057 104.2)
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 #B1B2DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.039
- Cloudy Blue #ACC2D9 ΔE 0.043
- French Gray #ADB5BD ΔE 0.046
- Light Steel Blue #B0C4DE ΔE 0.047
- Light Cornflower Blue #98C1D9 ΔE 0.049
- Pastel Blue #A2BFFE ΔE 0.054
- Light Blue Grey #B7C9E2 ΔE 0.061
- Silver #C0C0C0 ΔE 0.065
Use #B1B2DA 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.