#B4C3DB
Closest named color: Light Steel Blue (#B0C4DE). oklch(81.3% 0.038 259.8), rgb(180, 195, 219).
Aa
Black text reads best on this color (11.76:1).
About this color
#B4C3DB is a light, muted blue. In OKLCH its lightness is 81%, its chroma 0.038 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Light Steel Blue (#B0C4DE), ΔE 0.006 away. Black text reads best on it, at 11.76:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 11.76:1 |
| White text | 1.78:1 |
Values
| HEX | #B4C3DB |
| RGB | rgb(180, 195, 219) |
| HSL | hsl(217, 35%, 78%) |
| OKLCH | oklch(81.3% 0.038 259.8) |
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 #B4C3DB | 1.78:1 | Fails | Lc -37.0 | Non-text elements, placeholder text |
| Black text on #B4C3DB | 11.76:1 | AAA | Lc 70.9 | Content text, not long reading |
| #B4C3DB text on white | 1.78:1 | Fails | Lc 33.0 | Non-text elements, placeholder text |
| #B4C3DB text on black | 11.76:1 | AAA | Lc -69.7 | 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
#F3F5F9
oklch(97% 0.006 264.5)
-
Step 100
100
#E6EAF1
oklch(93.6% 0.01 261.8)
-
Step 200
200
#D1DAE7
oklch(88.5% 0.02 257.5)
-
Step 300
300 (this color)
#B4C3DB
oklch(81.3% 0.038 259.8)
-
Step 400
400
#8BA2C7
oklch(70.8% 0.06 259.8)
-
Step 500
500
#6E8AB8
oklch(63% 0.077 260.1)
-
Step 600
600
#5674A4
oklch(55.6% 0.083 259.5)
-
Step 700
700
#46618D
oklch(49.1% 0.078 259.9)
-
Step 800
800
#3A4F72
oklch(42.6% 0.064 260.3)
-
Step 900
900
#32425C
oklch(37.7% 0.049 259.9)
-
Step 950
950
#1D2736
oklch(27% 0.031 258.3)
#B4C3DB 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) | #BBC4DC | 0.010 |
| Deuteranopia (no green cones) | #B7C0DA | 0.008 |
| Tritanopia (no blue cones) | #AAC8CB | 0.033 |
| Achromatopsia (no color) | #C2C2C2 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4C3DB
#B4C3DB
oklch(81.3% 0.038 259.8)
- #CFC0A7
#CFC0A7
oklch(81.4% 0.038 80.6)
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 #B4C3DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Steel Blue #B0C4DE ΔE 0.006
- Cloudy Blue #ACC2D9 ΔE 0.011
- Light Blue Grey #B7C9E2 ΔE 0.017
- Light Cornflower Blue #98C1D9 ΔE 0.036
- Light Grey Blue #9DBCD4 ΔE 0.037
- Silver #C0C0C0 ΔE 0.038
- Thistle #D8BFD8 ΔE 0.049
- French Gray #ADB5BD ΔE 0.050
Use #B4C3DB 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.