#B4C1DB
Closest named color: Light Steel Blue (#B0C4DE). oklch(80.9% 0.039 264.3), rgb(180, 193, 219).
Aa
Black text reads best on this color (11.59:1).
About this color
#B4C1DB is a light, muted blue. In OKLCH its lightness is 81%, its chroma 0.039 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Light Steel Blue (#B0C4DE), ΔE 0.009 away. Black text reads best on it, at 11.59:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 11.59:1 |
| White text | 1.81:1 |
Values
| HEX | #B4C1DB |
| RGB | rgb(180, 193, 219) |
| HSL | hsl(220, 35%, 78%) |
| OKLCH | oklch(80.9% 0.039 264.3) |
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 #B4C1DB | 1.81:1 | Fails | Lc -37.8 | Non-text elements, placeholder text |
| Black text on #B4C1DB | 11.59:1 | AAA | Lc 70.1 | Content text, not long reading |
| #B4C1DB text on white | 1.81:1 | Fails | Lc 33.7 | Non-text elements, placeholder text |
| #B4C1DB text on black | 11.59:1 | AAA | Lc -68.9 | 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
#E6EAF2
oklch(93.6% 0.012 264.5)
-
Step 200
200
#D2D9E8
oklch(88.4% 0.022 265.8)
-
Step 300
300 (this color)
#B4C1DB
oklch(80.9% 0.039 264.3)
-
Step 400
400
#8DA1C9
oklch(70.8% 0.063 264)
-
Step 500
500
#7189BB
oklch(63.1% 0.081 264.4)
-
Step 600
600
#5972A7
oklch(55.5% 0.088 264.4)
-
Step 700
700
#49608F
oklch(49.2% 0.081 263.8)
-
Step 800
800
#3C4E74
oklch(42.6% 0.068 264.4)
-
Step 900
900
#33415E
oklch(37.6% 0.053 264.2)
-
Step 950
950
#1E2637
oklch(26.9% 0.034 264.8)
#B4C1DB 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) | #B9C2DC | 0.007 |
| Deuteranopia (no green cones) | #B6BFDA | 0.005 |
| Tritanopia (no blue cones) | #ABC6C9 | 0.035 |
| Achromatopsia (no color) | #C0C0C0 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4C1DB
#B4C1DB
oklch(80.9% 0.039 264.3)
- #CDBFA4
#CDBFA4
oklch(80.9% 0.04 83.8)
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 #B4C1DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Steel Blue #B0C4DE ΔE 0.009
- Cloudy Blue #ACC2D9 ΔE 0.011
- Light Blue Grey #B7C9E2 ΔE 0.022
- Light Grey Blue #9DBCD4 ΔE 0.035
- Light Cornflower Blue #98C1D9 ΔE 0.035
- Silver #C0C0C0 ΔE 0.039
- French Gray #ADB5BD ΔE 0.048
- Thistle #D8BFD8 ΔE 0.049
Use #B4C1DB 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.