#B3BBD5
Closest named color: Cloudy Blue (#ACC2D9). oklch(79.4% 0.038 272), rgb(179, 187, 213).
Aa
Black text reads best on this color (10.98:1).
About this color
#B3BBD5 is a light, muted blue. In OKLCH its lightness is 79%, its chroma 0.038 and its hue 272°. 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 10.98:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 10.98:1 |
| White text | 1.91:1 |
Values
| HEX | #B3BBD5 |
| RGB | rgb(179, 187, 213) |
| HSL | hsl(226, 29%, 77%) |
| OKLCH | oklch(79.4% 0.038 272) |
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 #B3BBD5 | 1.91:1 | Fails | Lc -40.8 | Non-text elements, placeholder text |
| Black text on #B3BBD5 | 10.98:1 | AAA | Lc 67.4 | Content text, not long reading |
| #B3BBD5 text on white | 1.91:1 | Fails | Lc 36.5 | Non-text elements, placeholder text |
| #B3BBD5 text on black | 10.98:1 | AAA | Lc -66.0 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7EAF1
oklch(93.7% 0.01 267.4)
-
Step 200
200
#D4D9E8
oklch(88.6% 0.021 271.2)
-
Step 300
300 (this color)
#B3BBD5
oklch(79.4% 0.038 272)
-
Step 400
400
#939FC7
oklch(70.7% 0.06 271.8)
-
Step 500
500
#7987B9
oklch(63.2% 0.077 272)
-
Step 600
600
#6270A5
oklch(55.6% 0.084 272.1)
-
Step 700
700
#515E8D
oklch(49.2% 0.077 271.5)
-
Step 800
800
#424D73
oklch(42.8% 0.065 271.1)
-
Step 900
900
#38405D
oklch(37.7% 0.051 271.9)
-
Step 950
950
#212636
oklch(27.1% 0.031 270.8)
#B3BBD5 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) | #B4BDD6 | 0.005 |
| Deuteranopia (no green cones) | #B1BAD4 | 0.004 |
| Tritanopia (no blue cones) | #ABC0C3 | 0.035 |
| Achromatopsia (no color) | #BBBBBB | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3BBD5
#B3BBD5
oklch(79.4% 0.038 272)
- #C4BCA1
#C4BCA1
oklch(79.5% 0.038 93.4)
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 #B3BBD5, 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 0.023
- Light Grey Blue #9DBCD4 ΔE 0.028
- Light Cornflower Blue #98C1D9 ΔE 0.035
- French Gray #ADB5BD ΔE 0.036
- Light Blue Grey #B7C9E2 ΔE 0.038
- Silver #C0C0C0 ΔE 0.040
- Thistle #D8BFD8 ΔE 0.054
Use #B3BBD5 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.