#B3BBD0
Closest named color: Cloudy Blue (#ACC2D9). oklch(79.2% 0.031 269.1), rgb(179, 187, 208).
Aa
Black text reads best on this color (10.93:1).
About this color
#B3BBD0 is a light, muted blue. In OKLCH its lightness is 79%, its chroma 0.031 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.020 away. Black text reads best on it, at 10.93:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | muted (0.031) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 10.93:1 |
| White text | 1.92:1 |
Values
| HEX | #B3BBD0 |
| RGB | rgb(179, 187, 208) |
| HSL | hsl(223, 24%, 76%) |
| OKLCH | oklch(79.2% 0.031 269.1) |
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 #B3BBD0 | 1.92:1 | Fails | Lc -41.0 | Non-text elements, placeholder text |
| Black text on #B3BBD0 | 10.93:1 | AAA | Lc 67.2 | Content text, not long reading |
| #B3BBD0 text on white | 1.92:1 | Fails | Lc 36.7 | Non-text elements, placeholder text |
| #B3BBD0 text on black | 10.93:1 | AAA | Lc -65.7 | 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)
#B3BBD0
oklch(79.2% 0.031 269.1)
-
Step 400
400
#94A0C0
oklch(70.7% 0.049 269)
-
Step 500
500
#7A88B1
oklch(63.1% 0.064 269.9)
-
Step 600
600
#63729C
oklch(55.7% 0.068 269)
-
Step 700
700
#525F86
oklch(49.1% 0.065 269.7)
-
Step 800
800
#434E6D
oklch(42.8% 0.054 269)
-
Step 900
900
#384158
oklch(37.7% 0.041 267.9)
-
Step 950
950
#212634
oklch(27% 0.027 269.3)
#B3BBD0 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) | #B5BCD1 | 0.004 |
| Deuteranopia (no green cones) | #B3BACF | 0.003 |
| Tritanopia (no blue cones) | #ACBFC2 | 0.028 |
| Achromatopsia (no color) | #BBBBBB | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3BBD0
#B3BBD0
oklch(79.2% 0.031 269.1)
- #C3BBA5
#C3BBA5
oklch(79.3% 0.032 90.4)
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 #B3BBD0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.020
- Light Steel Blue #B0C4DE ΔE 0.026
- Light Grey Blue #9DBCD4 ΔE 0.028
- French Gray #ADB5BD ΔE 0.030
- Silver #C0C0C0 ΔE 0.035
- Light Cornflower Blue #98C1D9 ΔE 0.035
- Light Blue Grey #B7C9E2 ΔE 0.040
- Thistle #D8BFD8 ΔE 0.055
Use #B3BBD0 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.