#B4D1FF
Closest named color: Baby Blue (#A2CFFE). oklch(85.5% 0.072 259.5), rgb(180, 209, 255).
Aa
Black text reads best on this color (13.50:1).
About this color
#B4D1FF is a light, moderately saturated blue. In OKLCH its lightness is 86%, its chroma 0.072 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.023 away. Black text reads best on it, at 13.50:1.
| Hue family | Blues |
| Lightness | light (86%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 13.50:1 |
| White text | 1.55:1 |
Values
| HEX | #B4D1FF |
| RGB | rgb(180, 209, 255) |
| HSL | hsl(217, 100%, 85%) |
| OKLCH | oklch(85.5% 0.072 259.5) |
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 #B4D1FF | 1.55:1 | Fails | Lc -28.8 | Dividers and decoration only |
| Black text on #B4D1FF | 13.50:1 | AAA | Lc 78.3 | Fine for body text |
| #B4D1FF text on white | 1.55:1 | Fails | Lc 25.5 | Dividers and decoration only |
| #B4D1FF text on black | 13.50:1 | AAA | Lc -77.6 | Fine for body text |
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 200.
-
Step 50
50
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E0EBFC
oklch(93.7% 0.026 259)
-
Step 200
200 (this color)
#B4D1FF
oklch(85.5% 0.072 259.5)
-
Step 300
300
#9DC2FC
oklch(80.8% 0.092 259.2)
-
Step 400
400
#67A0FB
oklch(70.7% 0.147 259.4)
-
Step 500
500
#3C85F9
oklch(63.2% 0.188 259.4)
-
Step 600
600
#176BE8
oklch(55.7% 0.204 259.5)
-
Step 700
700
#0758CA
oklch(49.1% 0.191 259.6)
-
Step 800
800
#0C49A3
oklch(42.8% 0.157 259.4)
-
Step 900
900
#143E81
oklch(37.7% 0.122 259.7)
-
Step 950
950
#0D254C
oklch(27% 0.078 259.7)
#B4D1FF 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) | #C1D3FF | 0.018 |
| Deuteranopia (no green cones) | #BACCFE | 0.014 |
| Tritanopia (no blue cones) | #9FDBE0 | 0.064 |
| Achromatopsia (no color) | #CFCFCF | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4D1FF
#B4D1FF
oklch(85.5% 0.072 259.5)
- #E9CB9A
#E9CB9A
oklch(85.6% 0.072 79.7)
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 #B4D1FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.023
- Light Periwinkle #C1C6FC ΔE 0.030
- Light Blue Grey #B7C9E2 ΔE 0.040
- Light Blue #ADD8E6 ΔE 0.046
- Light Steel Blue #B0C4DE ΔE 0.051
- Light Sky Blue #87CEFA ΔE 0.053
- Pastel Blue #A2BFFE ΔE 0.055
- Cloudy Blue #ACC2D9 ΔE 0.060
Use #B4D1FF 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.