#B2B8DB
Closest named color: Cloudy Blue (#ACC2D9). oklch(78.9% 0.05 277.5), rgb(178, 184, 219).
Aa
Black text reads best on this color (10.77:1).
About this color
#B2B8DB is a light, muted blue. In OKLCH its lightness is 79%, its chroma 0.050 and its hue 278°. 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 10.77:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 10.77:1 |
| White text | 1.94:1 |
Values
| HEX | #B2B8DB |
| RGB | rgb(178, 184, 219) |
| HSL | hsl(231, 36%, 78%) |
| OKLCH | oklch(78.9% 0.05 277.5) |
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 #B2B8DB | 1.94:1 | Fails | Lc -41.8 | Non-text elements, placeholder text |
| Black text on #B2B8DB | 10.77:1 | AAA | Lc 66.4 | Content text, not long reading |
| #B2B8DB text on white | 1.94:1 | Fails | Lc 37.5 | Non-text elements, placeholder text |
| #B2B8DB text on black | 10.77:1 | 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)
#B2B8DB
oklch(78.9% 0.05 277.5)
-
Step 400
400
#949CD3
oklch(70.7% 0.081 277.7)
-
Step 500
500
#7A83C7
oklch(63.1% 0.103 277.3)
-
Step 600
600
#646CB3
oklch(55.6% 0.11 277.3)
-
Step 700
700
#535A9A
oklch(49.2% 0.102 277.2)
-
Step 800
800
#44497D
oklch(42.6% 0.086 277.9)
-
Step 900
900
#393E65
oklch(37.8% 0.067 277.1)
-
Step 950
950
#21243B
oklch(26.9% 0.043 277.4)
#B2B8DB 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) | #AFBBDD | 0.008 |
| Deuteranopia (no green cones) | #ACB8DA | 0.008 |
| Tritanopia (no blue cones) | #A9BEC3 | 0.045 |
| Achromatopsia (no color) | #BABABA | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B2B8DB
#B2B8DB
oklch(78.9% 0.05 277.5)
- #C3BB97
#C3BB97
oklch(78.9% 0.05 96.9)
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 #B2B8DB, 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 0.032
- Light Cornflower Blue #98C1D9 ΔE 0.039
- French Gray #ADB5BD ΔE 0.043
- Light Blue Grey #B7C9E2 ΔE 0.045
- Pastel Blue #A2BFFE ΔE 0.050
- Silver #C0C0C0 ΔE 0.053
Use #B2B8DB 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.