#B7BDD5
Closest named color: Cloudy Blue (#ACC2D9). oklch(80.1% 0.034 274.5), rgb(183, 189, 213).
Aa
Black text reads best on this color (11.25:1).
About this color
#B7BDD5 is a light, muted blue. In OKLCH its lightness is 80%, its chroma 0.034 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.018 away. Black text reads best on it, at 11.25:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.25:1 |
| White text | 1.86:1 |
Values
| HEX | #B7BDD5 |
| RGB | rgb(183, 189, 213) |
| HSL | hsl(228, 26%, 78%) |
| OKLCH | oklch(80.1% 0.034 274.5) |
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 #B7BDD5 | 1.86:1 | Fails | Lc -39.5 | Non-text elements, placeholder text |
| Black text on #B7BDD5 | 11.25:1 | AAA | Lc 68.6 | Content text, not long reading |
| #B7BDD5 text on white | 1.86:1 | Fails | Lc 35.3 | Non-text elements, placeholder text |
| #B7BDD5 text on black | 11.25:1 | AAA | Lc -67.3 | 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
#E8E9F1
oklch(93.6% 0.011 280.5)
-
Step 200
200
#D5D8E6
oklch(88.4% 0.019 276.3)
-
Step 300
300 (this color)
#B7BDD5
oklch(80.1% 0.034 274.5)
-
Step 400
400
#969FC4
oklch(70.8% 0.055 274.2)
-
Step 500
500
#7C87B5
oklch(63.2% 0.071 273.8)
-
Step 600
600
#6670A0
oklch(55.6% 0.076 274.6)
-
Step 700
700
#545D89
oklch(49% 0.072 274.6)
-
Step 800
800
#454C6F
oklch(42.6% 0.059 274.9)
-
Step 900
900
#3A405A
oklch(37.7% 0.045 274)
-
Step 950
950
#222535
oklch(26.9% 0.03 276)
#B7BDD5 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) | #B7BFD6 | 0.005 |
| Deuteranopia (no green cones) | #B5BDD4 | 0.003 |
| Tritanopia (no blue cones) | #B0C1C5 | 0.030 |
| Achromatopsia (no color) | #BEBEBE | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B7BDD5
#B7BDD5
oklch(80.1% 0.034 274.5)
- #C5BEA6
#C5BEA6
oklch(80.1% 0.034 93.6)
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 #B7BDD5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.018
- Light Steel Blue #B0C4DE ΔE 0.020
- Light Blue Grey #B7C9E2 ΔE 0.032
- Light Grey Blue #9DBCD4 ΔE 0.034
- Silver #C0C0C0 ΔE 0.035
- Light Cornflower Blue #98C1D9 ΔE 0.039
- French Gray #ADB5BD ΔE 0.039
- Thistle #D8BFD8 ΔE 0.047
Use #B7BDD5 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.