#B4BCD8
Closest named color: Cloudy Blue (#ACC2D9). oklch(79.8% 0.041 272.8), rgb(180, 188, 216).
Aa
Black text reads best on this color (11.12:1).
About this color
#B4BCD8 is a light, muted blue. In OKLCH its lightness is 80%, its chroma 0.041 and its hue 273°. 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 11.12:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.12:1 |
| White text | 1.88:1 |
Values
| HEX | #B4BCD8 |
| RGB | rgb(180, 188, 216) |
| HSL | hsl(227, 32%, 78%) |
| OKLCH | oklch(79.8% 0.041 272.8) |
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 #B4BCD8 | 1.88:1 | Fails | Lc -40.1 | Non-text elements, placeholder text |
| Black text on #B4BCD8 | 11.12:1 | AAA | Lc 68.0 | Content text, not long reading |
| #B4BCD8 text on white | 1.88:1 | Fails | Lc 35.9 | Non-text elements, placeholder text |
| #B4BCD8 text on black | 11.12:1 | AAA | Lc -66.6 | 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
#E7E9F2
oklch(93.5% 0.012 276.1)
-
Step 200
200
#D4D9E9
oklch(88.6% 0.023 272)
-
Step 300
300 (this color)
#B4BCD8
oklch(79.8% 0.041 272.8)
-
Step 400
400
#939ECA
oklch(70.6% 0.066 273.7)
-
Step 500
500
#7886BC
oklch(63% 0.083 272.7)
-
Step 600
600
#626FA8
oklch(55.5% 0.09 273.3)
-
Step 700
700
#515D90
oklch(49.1% 0.083 272.9)
-
Step 800
800
#424C75
oklch(42.7% 0.069 272.7)
-
Step 900
900
#38405F
oklch(37.8% 0.054 272.5)
-
Step 950
950
#212537
oklch(26.9% 0.034 274.3)
#B4BCD8 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) | #B4BED9 | 0.005 |
| Deuteranopia (no green cones) | #B2BBD7 | 0.004 |
| Tritanopia (no blue cones) | #ACC1C5 | 0.036 |
| Achromatopsia (no color) | #BDBDBD | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4BCD8
#B4BCD8
oklch(79.8% 0.041 272.8)
- #C6BDA0
#C6BDA0
oklch(79.8% 0.041 92.8)
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 #B4BCD8, 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 Grey Blue #9DBCD4 ΔE 0.031
- Light Blue Grey #B7C9E2 ΔE 0.034
- Light Cornflower Blue #98C1D9 ΔE 0.036
- French Gray #ADB5BD ΔE 0.040
- Silver #C0C0C0 ΔE 0.042
- Thistle #D8BFD8 ΔE 0.052
Use #B4BCD8 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.