#B4D3FF
Closest named color: Baby Blue (#A2CFFE). oklch(85.9% 0.07 257.1), rgb(180, 211, 255).
Aa
Black text reads best on this color (13.70:1).
About this color
#B4D3FF is a light, moderately saturated blue. In OKLCH its lightness is 86%, its chroma 0.070 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.025 away. Black text reads best on it, at 13.70:1.
| Hue family | Blues |
| Lightness | light (86%) |
| Chroma | moderately saturated (0.070) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 13.70:1 |
| White text | 1.53:1 |
Values
| HEX | #B4D3FF |
| RGB | rgb(180, 211, 255) |
| HSL | hsl(215, 100%, 85%) |
| OKLCH | oklch(85.9% 0.07 257.1) |
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 #B4D3FF | 1.53:1 | Fails | Lc -27.9 | Dividers and decoration only |
| Black text on #B4D3FF | 13.70:1 | AAA | Lc 79.1 | Fine for body text |
| #B4D3FF text on white | 1.53:1 | Fails | Lc 24.6 | Dividers and decoration only |
| #B4D3FF text on black | 13.70:1 | AAA | Lc -78.5 | 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
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DFEBFC
oklch(93.6% 0.026 257)
-
Step 200
200 (this color)
#B4D3FF
oklch(85.9% 0.07 257.1)
-
Step 300
300
#9CC3FB
oklch(80.9% 0.09 257.4)
-
Step 400
400
#63A1F9
oklch(70.6% 0.145 257.3)
-
Step 500
500
#3487F6
oklch(63.1% 0.184 257.1)
-
Step 600
600
#006DE4
oklch(55.5% 0.199 257.3)
-
Step 700
700
#005CC1
oklch(49.2% 0.175 257.1)
-
Step 800
800
#004BA0
oklch(42.8% 0.152 257.1)
-
Step 900
900
#0E3F7F
oklch(37.6% 0.12 257.3)
-
Step 950
950
#0A264B
oklch(27.1% 0.076 256.8)
#B4D3FF 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) | #C4D5FF | 0.021 |
| Deuteranopia (no green cones) | #BCCDFE | 0.017 |
| Tritanopia (no blue cones) | #9EDCE1 | 0.062 |
| Achromatopsia (no color) | #D1D1D1 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4D3FF
#B4D3FF
oklch(85.9% 0.07 257.1)
- #EBCB9D
#EBCB9D
oklch(85.8% 0.07 76.6)
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 #B4D3FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.025
- Light Periwinkle #C1C6FC ΔE 0.035
- Light Blue Grey #B7C9E2 ΔE 0.041
- Light Blue #ADD8E6 ΔE 0.043
- Light Steel Blue #B0C4DE ΔE 0.053
- Light Sky Blue #87CEFA ΔE 0.054
- Powder Blue #B0E0E6 ΔE 0.057
- Pastel Blue #A2BFFE ΔE 0.060
Use #B4D3FF 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.