#B2B8DA
Closest named color: Cloudy Blue (#ACC2D9). oklch(78.9% 0.049 277.3), rgb(178, 184, 218).
Aa
Black text reads best on this color (10.76:1).
About this color
#B2B8DA is a light, muted blue. In OKLCH its lightness is 79%, its chroma 0.049 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.028 away. Black text reads best on it, at 10.76:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 10.76:1 |
| White text | 1.95:1 |
Values
| HEX | #B2B8DA |
| RGB | rgb(178, 184, 218) |
| HSL | hsl(231, 35%, 78%) |
| OKLCH | oklch(78.9% 0.049 277.3) |
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 #B2B8DA | 1.95:1 | Fails | Lc -41.9 | Non-text elements, placeholder text |
| Black text on #B2B8DA | 10.76:1 | AAA | Lc 66.4 | Content text, not long reading |
| #B2B8DA text on white | 1.95:1 | Fails | Lc 37.5 | Non-text elements, placeholder text |
| #B2B8DA text on black | 10.76:1 | AAA | Lc -64.9 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F3
oklch(93.5% 0.014 277.1)
-
Step 200
200
#D4D8EB
oklch(88.5% 0.026 276.4)
-
Step 300
300 (this color)
#B2B8DA
oklch(78.9% 0.049 277.3)
-
Step 400
400
#949CD1
oklch(70.6% 0.078 277.6)
-
Step 500
500
#7B83C5
oklch(63% 0.1 277.8)
-
Step 600
600
#646CB2
oklch(55.6% 0.109 277.3)
-
Step 700
700
#535A99
oklch(49.1% 0.101 277.2)
-
Step 800
800
#444A7C
oklch(42.8% 0.083 277.1)
-
Step 900
900
#393E64
oklch(37.7% 0.065 277.1)
-
Step 950
950
#21243A
oklch(26.8% 0.041 277.3)
#B2B8DA 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) | #AFBBDC | 0.008 |
| Deuteranopia (no green cones) | #ADB8D9 | 0.007 |
| Tritanopia (no blue cones) | #A9BEC3 | 0.044 |
| Achromatopsia (no color) | #B9B9B9 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B2B8DA
#B2B8DA
oklch(78.9% 0.049 277.3)
- #C3BB98
#C3BB98
oklch(79% 0.048 96.6)
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 #B2B8DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.028
- Light Steel Blue #B0C4DE ΔE 0.031
- Light Grey Blue #9DBCD4 ΔE 0.031
- Light Cornflower Blue #98C1D9 ΔE 0.039
- French Gray #ADB5BD ΔE 0.042
- Light Blue Grey #B7C9E2 ΔE 0.045
- Pastel Blue #A2BFFE ΔE 0.052
- Silver #C0C0C0 ΔE 0.052
Use #B2B8DA 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.