#B4BDDC
Closest named color: Cloudy Blue (#ACC2D9). oklch(80.1% 0.045 272.6), rgb(180, 189, 220).
Aa
Black text reads best on this color (11.25:1).
About this color
#B4BDDC is a light, muted blue. In OKLCH its lightness is 80%, its chroma 0.045 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 11.25:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.25:1 |
| White text | 1.86:1 |
Values
| HEX | #B4BDDC |
| RGB | rgb(180, 189, 220) |
| HSL | hsl(227, 36%, 78%) |
| OKLCH | oklch(80.1% 0.045 272.6) |
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 #B4BDDC | 1.86:1 | Fails | Lc -39.5 | Non-text elements, placeholder text |
| Black text on #B4BDDC | 11.25:1 | AAA | Lc 68.6 | Content text, not long reading |
| #B4BDDC text on white | 1.86:1 | Fails | Lc 35.3 | Non-text elements, placeholder text |
| #B4BDDC 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F3
oklch(93.5% 0.014 277.1)
-
Step 200
200
#D3D8EA
oklch(88.4% 0.025 273.5)
-
Step 300
300 (this color)
#B4BDDC
oklch(80.1% 0.045 272.6)
-
Step 400
400
#919ECE
oklch(70.7% 0.072 272.7)
-
Step 500
500
#7686C1
oklch(63.1% 0.091 272)
-
Step 600
600
#606FAE
oklch(55.7% 0.1 272.6)
-
Step 700
700
#4F5C95
oklch(49% 0.093 272.8)
-
Step 800
800
#414C79
oklch(42.8% 0.076 272.4)
-
Step 900
900
#373F62
oklch(37.7% 0.061 273.3)
-
Step 950
950
#202539
oklch(26.9% 0.038 272.9)
#B4BDDC 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) | #B4BFDD | 0.005 |
| Deuteranopia (no green cones) | #B2BCDB | 0.004 |
| Tritanopia (no blue cones) | #ABC3C7 | 0.041 |
| Achromatopsia (no color) | #BEBEBE | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4BDDC
#B4BDDC
oklch(80.1% 0.045 272.6)
- #C8BE9E
#C8BE9E
oklch(80.1% 0.045 92.7)
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 #B4BDDC, 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 0.018
- Light Blue Grey #B7C9E2 ΔE 0.031
- Light Grey Blue #9DBCD4 ΔE 0.033
- Light Cornflower Blue #98C1D9 ΔE 0.037
- Silver #C0C0C0 ΔE 0.045
- French Gray #ADB5BD ΔE 0.046
- Light Periwinkle #C1C6FC ΔE 0.051
Use #B4BDDC 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.