#B2B8DC
Closest named color: Cloudy Blue (#ACC2D9). oklch(79% 0.051 277.7), rgb(178, 184, 220).
Aa
Black text reads best on this color (10.78:1).
About this color
#B2B8DC is a light, muted blue. In OKLCH its lightness is 79%, its chroma 0.051 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.029 away. Black text reads best on it, at 10.78:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 10.78:1 |
| White text | 1.94:1 |
Values
| HEX | #B2B8DC |
| RGB | rgb(178, 184, 220) |
| HSL | hsl(231, 38%, 78%) |
| OKLCH | oklch(79% 0.051 277.7) |
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 #B2B8DC | 1.94:1 | Fails | Lc -41.8 | Non-text elements, placeholder text |
| Black text on #B2B8DC | 10.78:1 | AAA | Lc 66.5 | Content text, not long reading |
| #B2B8DC text on white | 1.94:1 | Fails | Lc 37.4 | Non-text elements, placeholder text |
| #B2B8DC text on black | 10.78:1 | AAA | Lc -65.0 | 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
#E7E9F4
oklch(93.6% 0.015 277.8)
-
Step 200
200
#D4D8EC
oklch(88.5% 0.028 276.8)
-
Step 300
300 (this color)
#B2B8DC
oklch(79% 0.051 277.7)
-
Step 400
400
#949CD4
oklch(70.7% 0.082 277.8)
-
Step 500
500
#7A83C8
oklch(63.1% 0.104 277.3)
-
Step 600
600
#646BB5
oklch(55.6% 0.114 277.9)
-
Step 700
700
#53599C
oklch(49.1% 0.107 277.8)
-
Step 800
800
#44497E
oklch(42.7% 0.088 277.9)
-
Step 900
900
#393D66
oklch(37.6% 0.07 278.2)
-
Step 950
950
#21243B
oklch(26.9% 0.043 277.4)
#B2B8DC 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) | #AEBBDE | 0.009 |
| Deuteranopia (no green cones) | #ACB8DB | 0.008 |
| Tritanopia (no blue cones) | #A9BEC4 | 0.045 |
| Achromatopsia (no color) | #BABABA | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B2B8DC
#B2B8DC
oklch(79% 0.051 277.7)
- #C3BB96
#C3BB96
oklch(78.9% 0.051 97.2)
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 #B2B8DC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.029
- Light Steel Blue #B0C4DE ΔE 0.031
- Light Grey Blue #9DBCD4 ΔE 0.033
- Light Cornflower Blue #98C1D9 ΔE 0.040
- French Gray #ADB5BD ΔE 0.045
- Light Blue Grey #B7C9E2 ΔE 0.045
- Pastel Blue #A2BFFE ΔE 0.049
- Silver #C0C0C0 ΔE 0.055
Use #B2B8DC 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.