#B4BDD3
Closest named color: Cloudy Blue (#ACC2D9). oklch(79.8% 0.033 267.9), rgb(180, 189, 211).
Aa
Black text reads best on this color (11.16:1).
About this color
#B4BDD3 is a light, muted blue. In OKLCH its lightness is 80%, its chroma 0.033 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.016 away. Black text reads best on it, at 11.16:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.16:1 |
| White text | 1.88:1 |
Values
| HEX | #B4BDD3 |
| RGB | rgb(180, 189, 211) |
| HSL | hsl(223, 26%, 77%) |
| OKLCH | oklch(79.8% 0.033 267.9) |
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 #B4BDD3 | 1.88:1 | Fails | Lc -39.9 | Non-text elements, placeholder text |
| Black text on #B4BDD3 | 11.16:1 | AAA | Lc 68.2 | Content text, not long reading |
| #B4BDD3 text on white | 1.88:1 | Fails | Lc 35.7 | Non-text elements, placeholder text |
| #B4BDD3 text on black | 11.16:1 | AAA | Lc -66.8 | 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
#D4D9E6
oklch(88.5% 0.019 269.1)
-
Step 300
300 (this color)
#B4BDD3
oklch(79.8% 0.033 267.9)
-
Step 400
400
#92A0C2
oklch(70.7% 0.052 267.5)
-
Step 500
500
#7888B3
oklch(63% 0.068 268.6)
-
Step 600
600
#61729E
oklch(55.6% 0.072 267.8)
-
Step 700
700
#505F88
oklch(49% 0.069 268.4)
-
Step 800
800
#424E6E
oklch(42.7% 0.056 268.2)
-
Step 900
900
#374159
oklch(37.7% 0.043 266.8)
-
Step 950
950
#212634
oklch(27% 0.027 269.3)
#B4BDD3 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) | #B7BED4 | 0.005 |
| Deuteranopia (no green cones) | #B4BCD2 | 0.003 |
| Tritanopia (no blue cones) | #ADC1C4 | 0.029 |
| Achromatopsia (no color) | #BDBDBD | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4BDD3
#B4BDD3
oklch(79.8% 0.033 267.9)
- #C6BCA6
#C6BCA6
oklch(79.8% 0.032 86.5)
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 #B4BDD3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.016
- Light Steel Blue #B0C4DE ΔE 0.020
- Light Grey Blue #9DBCD4 ΔE 0.030
- Light Blue Grey #B7C9E2 ΔE 0.034
- Silver #C0C0C0 ΔE 0.034
- Light Cornflower Blue #98C1D9 ΔE 0.035
- French Gray #ADB5BD ΔE 0.035
- Thistle #D8BFD8 ΔE 0.052
Use #B4BDD3 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.