#B4BDDA
Closest named color: Cloudy Blue (#ACC2D9). oklch(80.1% 0.042 271.8), rgb(180, 189, 218).
Aa
Black text reads best on this color (11.23:1).
About this color
#B4BDDA is a light, muted blue. In OKLCH its lightness is 80%, its chroma 0.042 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.017 away. Black text reads best on it, at 11.23:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.23:1 |
| White text | 1.86:1 |
Values
| HEX | #B4BDDA |
| RGB | rgb(180, 189, 218) |
| HSL | hsl(226, 34%, 78%) |
| OKLCH | oklch(80.1% 0.042 271.8) |
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 #B4BDDA | 1.86:1 | Fails | Lc -39.6 | Non-text elements, placeholder text |
| Black text on #B4BDDA | 11.23:1 | AAA | Lc 68.5 | Content text, not long reading |
| #B4BDDA text on white | 1.86:1 | Fails | Lc 35.4 | Non-text elements, placeholder text |
| #B4BDDA text on black | 11.23:1 | AAA | Lc -67.2 | 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
#E7EAF2
oklch(93.7% 0.011 269.5)
-
Step 200
200
#D3D9E9
oklch(88.6% 0.023 269.4)
-
Step 300
300 (this color)
#B4BDDA
oklch(80.1% 0.042 271.8)
-
Step 400
400
#919FCB
oklch(70.7% 0.067 270.9)
-
Step 500
500
#7786BE
oklch(63% 0.086 272.2)
-
Step 600
600
#606FAA
oklch(55.5% 0.094 272.2)
-
Step 700
700
#4F5D92
oklch(49.1% 0.087 271.6)
-
Step 800
800
#414C77
oklch(42.7% 0.073 272.1)
-
Step 900
900
#374060
oklch(37.8% 0.056 271.5)
-
Step 950
950
#202538
oklch(26.9% 0.036 272.4)
#B4BDDA 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) | #B5BFDB | 0.005 |
| Deuteranopia (no green cones) | #B2BCD9 | 0.004 |
| Tritanopia (no blue cones) | #ABC2C6 | 0.038 |
| Achromatopsia (no color) | #BDBDBD | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4BDDA
#B4BDDA
oklch(80.1% 0.042 271.8)
- #C8BEA0
#C8BEA0
oklch(80.2% 0.042 91.8)
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 #B4BDDA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.017
- Light Steel Blue #B0C4DE ΔE 0.018
- Light Blue Grey #B7C9E2 ΔE 0.032
- Light Grey Blue #9DBCD4 ΔE 0.032
- Light Cornflower Blue #98C1D9 ΔE 0.036
- Silver #C0C0C0 ΔE 0.043
- French Gray #ADB5BD ΔE 0.043
- Thistle #D8BFD8 ΔE 0.051
Use #B4BDDA 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.