#B3BBD1
Closest named color: Cloudy Blue (#ACC2D9). oklch(79.3% 0.032 269.7), rgb(179, 187, 209).
Aa
Black text reads best on this color (10.94:1).
About this color
#B3BBD1 is a light, muted blue. In OKLCH its lightness is 79%, its chroma 0.032 and its hue 270°. 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 10.94:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | muted (0.032) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 10.94:1 |
| White text | 1.91:1 |
Values
| HEX | #B3BBD1 |
| RGB | rgb(179, 187, 209) |
| HSL | hsl(224, 25%, 76%) |
| OKLCH | oklch(79.3% 0.032 269.7) |
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 #B3BBD1 | 1.91:1 | Fails | Lc -41.0 | Non-text elements, placeholder text |
| Black text on #B3BBD1 | 10.94:1 | AAA | Lc 67.2 | Content text, not long reading |
| #B3BBD1 text on white | 1.91:1 | Fails | Lc 36.7 | Non-text elements, placeholder text |
| #B3BBD1 text on black | 10.94:1 | AAA | Lc -65.8 | 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
#E7EAF0
oklch(93.6% 0.009 264.5)
-
Step 200
200
#D4D9E5
oklch(88.5% 0.017 267.8)
-
Step 300
300 (this color)
#B3BBD1
oklch(79.3% 0.032 269.7)
-
Step 400
400
#94A0C2
oklch(70.8% 0.052 269.8)
-
Step 500
500
#7988B2
oklch(63.1% 0.066 269.2)
-
Step 600
600
#62719E
oklch(55.5% 0.073 269.8)
-
Step 700
700
#525F87
oklch(49.1% 0.066 270)
-
Step 800
800
#434E6E
oklch(42.8% 0.055 269.4)
-
Step 900
900
#384159
oklch(37.8% 0.043 268.4)
-
Step 950
950
#212634
oklch(27% 0.027 269.3)
#B3BBD1 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) | #B5BCD2 | 0.004 |
| Deuteranopia (no green cones) | #B2BAD0 | 0.003 |
| Tritanopia (no blue cones) | #ACBFC2 | 0.029 |
| Achromatopsia (no color) | #BBBBBB | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3BBD1
#B3BBD1
oklch(79.3% 0.032 269.7)
- #C3BBA4
#C3BBA4
oklch(79.2% 0.033 91.1)
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 #B3BBD1, 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 Steel Blue #B0C4DE ΔE 0.025
- Light Grey Blue #9DBCD4 ΔE 0.028
- French Gray #ADB5BD ΔE 0.031
- Light Cornflower Blue #98C1D9 ΔE 0.035
- Silver #C0C0C0 ΔE 0.036
- Light Blue Grey #B7C9E2 ΔE 0.039
- Thistle #D8BFD8 ΔE 0.055
Use #B3BBD1 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.