#B5BCD3
Closest named color: Cloudy Blue (#ACC2D9). oklch(79.7% 0.033 272.2), rgb(181, 188, 211).
Aa
Black text reads best on this color (11.09:1).
About this color
#B5BCD3 is a light, muted blue. In OKLCH its lightness is 80%, its chroma 0.033 and its hue 272°. 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 11.09:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.09:1 |
| White text | 1.89:1 |
Values
| HEX | #B5BCD3 |
| RGB | rgb(181, 188, 211) |
| HSL | hsl(226, 25%, 77%) |
| OKLCH | oklch(79.7% 0.033 272.2) |
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 #B5BCD3 | 1.89:1 | Fails | Lc -40.2 | Non-text elements, placeholder text |
| Black text on #B5BCD3 | 11.09:1 | AAA | Lc 67.9 | Content text, not long reading |
| #B5BCD3 text on white | 1.89:1 | Fails | Lc 36.0 | Non-text elements, placeholder text |
| #B5BCD3 text on black | 11.09:1 | AAA | Lc -66.5 | 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
#D5D9E6
oklch(88.6% 0.018 272.3)
-
Step 300
300 (this color)
#B5BCD3
oklch(79.7% 0.033 272.2)
-
Step 400
400
#959FC3
oklch(70.7% 0.054 272.8)
-
Step 500
500
#7B87B3
oklch(63% 0.068 272.5)
-
Step 600
600
#64719F
oklch(55.7% 0.073 271.7)
-
Step 700
700
#535E88
oklch(49% 0.069 272.4)
-
Step 800
800
#444D6F
oklch(42.7% 0.058 272.4)
-
Step 900
900
#39405A
oklch(37.7% 0.046 272.4)
-
Step 950
950
#222634
oklch(27.1% 0.027 272.1)
#B5BCD3 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) | #B6BED4 | 0.005 |
| Deuteranopia (no green cones) | #B4BBD2 | 0.003 |
| Tritanopia (no blue cones) | #AEC0C3 | 0.030 |
| Achromatopsia (no color) | #BCBCBC | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5BCD3
#B5BCD3
oklch(79.7% 0.033 272.2)
- #C4BDA5
#C4BDA5
oklch(79.8% 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 #B5BCD3, 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 0.022
- Light Grey Blue #9DBCD4 ΔE 0.031
- French Gray #ADB5BD ΔE 0.035
- Silver #C0C0C0 ΔE 0.035
- Light Blue Grey #B7C9E2 ΔE 0.035
- Light Cornflower Blue #98C1D9 ΔE 0.036
- Thistle #D8BFD8 ΔE 0.051
Use #B5BCD3 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.