#B7BDD3
Closest named color: Cloudy Blue (#ACC2D9). oklch(80.1% 0.032 273.5), rgb(183, 189, 211).
Aa
Black text reads best on this color (11.23:1).
About this color
#B7BDD3 is a light, muted blue. In OKLCH its lightness is 80%, its chroma 0.032 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 11.23:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | muted (0.032) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.23:1 |
| White text | 1.86:1 |
Values
| HEX | #B7BDD3 |
| RGB | rgb(183, 189, 211) |
| HSL | hsl(227, 24%, 77%) |
| OKLCH | oklch(80.1% 0.032 273.5) |
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 #B7BDD3 | 1.86:1 | Fails | Lc -39.6 | Non-text elements, placeholder text |
| Black text on #B7BDD3 | 11.23:1 | AAA | Lc 68.5 | Content text, not long reading |
| #B7BDD3 text on white | 1.86:1 | Fails | Lc 35.4 | Non-text elements, placeholder text |
| #B7BDD3 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E8E9F0
oklch(93.5% 0.009 279.7)
-
Step 200
200
#D5D9E5
oklch(88.6% 0.017 271.2)
-
Step 300
300 (this color)
#B7BDD3
oklch(80.1% 0.032 273.5)
-
Step 400
400
#969FC1
oklch(70.7% 0.051 273.4)
-
Step 500
500
#7D87B1
oklch(63.1% 0.064 274)
-
Step 600
600
#66719D
oklch(55.7% 0.07 273.1)
-
Step 700
700
#555E86
oklch(49.1% 0.065 274)
-
Step 800
800
#454D6D
oklch(42.7% 0.054 273.1)
-
Step 900
900
#3A4058
oklch(37.6% 0.042 273.4)
-
Step 950
950
#222634
oklch(27.1% 0.027 272.1)
#B7BDD3 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) | #B7BFD4 | 0.005 |
| Deuteranopia (no green cones) | #B5BCD2 | 0.004 |
| Tritanopia (no blue cones) | #B1C1C4 | 0.029 |
| Achromatopsia (no color) | #BDBDBD | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B7BDD3
#B7BDD3
oklch(80.1% 0.032 273.5)
- #C5BEA7
#C5BEA7
oklch(80.1% 0.032 93)
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 #B7BDD3, 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 0.021
- Silver #C0C0C0 ΔE 0.033
- Light Blue Grey #B7C9E2 ΔE 0.033
- Light Grey Blue #9DBCD4 ΔE 0.034
- French Gray #ADB5BD ΔE 0.037
- Light Cornflower Blue #98C1D9 ΔE 0.039
- Thistle #D8BFD8 ΔE 0.048
Use #B7BDD3 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.