#B0BBD1
Closest named color: Cloudy Blue (#ACC2D9). oklch(79.1% 0.034 264.4), rgb(176, 187, 209).
Aa
Black text reads best on this color (10.87:1).
About this color
#B0BBD1 is a light, muted blue. In OKLCH its lightness is 79%, its chroma 0.034 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.019 away. Black text reads best on it, at 10.87:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 10.87:1 |
| White text | 1.93:1 |
Values
| HEX | #B0BBD1 |
| RGB | rgb(176, 187, 209) |
| HSL | hsl(220, 26%, 75%) |
| OKLCH | oklch(79.1% 0.034 264.4) |
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 #B0BBD1 | 1.93:1 | Fails | Lc -41.3 | Non-text elements, placeholder text |
| Black text on #B0BBD1 | 10.87:1 | AAA | Lc 66.9 | Content text, not long reading |
| #B0BBD1 text on white | 1.93:1 | Fails | Lc 37.0 | Non-text elements, placeholder text |
| #B0BBD1 text on black | 10.87:1 | AAA | Lc -65.4 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAF1
oklch(93.7% 0.01 267.4)
-
Step 200
200
#D3D9E6
oklch(88.5% 0.019 266)
-
Step 300
300 (this color)
#B0BBD1
oklch(79.1% 0.034 264.4)
-
Step 400
400
#90A1C3
oklch(70.8% 0.054 264.1)
-
Step 500
500
#7589B4
oklch(63.1% 0.069 265.1)
-
Step 600
600
#5D739F
oklch(55.6% 0.074 263.7)
-
Step 700
700
#4D6088
oklch(49.1% 0.069 264.5)
-
Step 800
800
#3F4F6F
oklch(42.8% 0.057 263.7)
-
Step 900
900
#36415A
oklch(37.7% 0.045 265.9)
-
Step 950
950
#1F2635
oklch(26.9% 0.03 265.1)
#B0BBD1 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) | #B4BCD2 | 0.006 |
| Deuteranopia (no green cones) | #B1B9D0 | 0.005 |
| Tritanopia (no blue cones) | #A8BFC2 | 0.030 |
| Achromatopsia (no color) | #BABABA | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B0BBD1
#B0BBD1
oklch(79.1% 0.034 264.4)
- #C5B9A3
#C5B9A3
oklch(79% 0.033 82.7)
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 #B0BBD1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.019
- Light Grey Blue #9DBCD4 ΔE 0.024
- Light Steel Blue #B0C4DE ΔE 0.026
- French Gray #ADB5BD ΔE 0.029
- Light Cornflower Blue #98C1D9 ΔE 0.031
- Silver #C0C0C0 ΔE 0.038
- Light Blue Grey #B7C9E2 ΔE 0.041
- Thistle #D8BFD8 ΔE 0.059
Use #B0BBD1 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.