#B4BCD3
Closest named color: Cloudy Blue (#ACC2D9). oklch(79.6% 0.034 270.4), rgb(180, 188, 211).
Aa
Black text reads best on this color (11.07:1).
About this color
#B4BCD3 is a light, muted blue. In OKLCH its lightness is 80%, its chroma 0.034 and its hue 270°. 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 11.07:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.07:1 |
| White text | 1.89:1 |
Values
| HEX | #B4BCD3 |
| RGB | rgb(180, 188, 211) |
| HSL | hsl(225, 26%, 77%) |
| OKLCH | oklch(79.6% 0.034 270.4) |
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 #B4BCD3 | 1.89:1 | Fails | Lc -40.4 | Non-text elements, placeholder text |
| Black text on #B4BCD3 | 11.07:1 | AAA | Lc 67.8 | Content text, not long reading |
| #B4BCD3 text on white | 1.89:1 | Fails | Lc 36.1 | Non-text elements, placeholder text |
| #B4BCD3 text on black | 11.07:1 | AAA | Lc -66.4 | 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
#E7EAF1
oklch(93.7% 0.01 267.4)
-
Step 200
200
#D4D9E6
oklch(88.5% 0.019 269.1)
-
Step 300
300 (this color)
#B4BCD3
oklch(79.6% 0.034 270.4)
-
Step 400
400
#939FC3
oklch(70.6% 0.055 270.5)
-
Step 500
500
#7988B4
oklch(63.1% 0.069 269.8)
-
Step 600
600
#6271A0
oklch(55.6% 0.076 270.2)
-
Step 700
700
#515F89
oklch(49.2% 0.07 269.6)
-
Step 800
800
#434D6F
oklch(42.6% 0.058 271.2)
-
Step 900
900
#38405A
oklch(37.6% 0.046 270.9)
-
Step 950
950
#212635
oklch(27.1% 0.029 270.1)
#B4BCD3 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 | 0.006 |
| Deuteranopia (no green cones) | #B3BBD2 | 0.003 |
| Tritanopia (no blue cones) | #ADC0C3 | 0.030 |
| Achromatopsia (no color) | #BCBCBC | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4BCD3
#B4BCD3
oklch(79.6% 0.034 270.4)
- #C5BCA5
#C5BCA5
oklch(79.6% 0.033 89.2)
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 #B4BCD3, 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 0.022
- Light Grey Blue #9DBCD4 ΔE 0.029
- French Gray #ADB5BD ΔE 0.034
- Light Cornflower Blue #98C1D9 ΔE 0.035
- Silver #C0C0C0 ΔE 0.036
- Light Blue Grey #B7C9E2 ΔE 0.036
- Thistle #D8BFD8 ΔE 0.053
Use #B4BCD3 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.