#B4D8FF
Closest named color: Baby Blue (#A2CFFE). oklch(86.9% 0.066 250.6), rgb(180, 216, 255).
Aa
Black text reads best on this color (14.20:1).
About this color
#B4D8FF is a light, muted blue. In OKLCH its lightness is 87%, its chroma 0.066 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.034 away. Black text reads best on it, at 14.20:1.
| Hue family | Blues |
| Lightness | light (87%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 14.20:1 |
| White text | 1.47:1 |
Values
| HEX | #B4D8FF |
| RGB | rgb(180, 216, 255) |
| HSL | hsl(211, 100%, 85%) |
| OKLCH | oklch(86.9% 0.066 250.6) |
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 #B4D8FF | 1.47:1 | Fails | Lc -25.6 | Dividers and decoration only |
| Black text on #B4D8FF | 14.20:1 | AAA | Lc 81.2 | Fine for body text |
| #B4D8FF text on white | 1.47:1 | Fails | Lc 22.5 | Dividers and decoration only |
| #B4D8FF text on black | 14.20:1 | AAA | Lc -80.7 | 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
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DEECFA
oklch(93.7% 0.024 248.1)
-
Step 200
200 (this color)
#B4D8FF
oklch(86.9% 0.066 250.6)
-
Step 300
300
#97C5F6
oklch(80.9% 0.085 250.5)
-
Step 400
400
#59A5F2
oklch(70.7% 0.136 250.6)
-
Step 500
500
#158CEE
oklch(63.1% 0.175 250.6)
-
Step 600
600
#0075CC
oklch(55.6% 0.16 250.6)
-
Step 700
700
#0062AD
oklch(49.1% 0.142 250.8)
-
Step 800
800
#00508F
oklch(42.6% 0.123 250.8)
-
Step 900
900
#004378
oklch(37.8% 0.108 250.3)
-
Step 950
950
#042748
oklch(26.9% 0.073 251.2)
#B4D8FF 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) | #CAD9FF | 0.028 |
| Deuteranopia (no green cones) | #C1D1FE | 0.023 |
| Tritanopia (no blue cones) | #9EE1E5 | 0.057 |
| Achromatopsia (no color) | #D4D4D4 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4D8FF
#B4D8FF
oklch(86.9% 0.066 250.6)
- #F1CDA5
#F1CDA5
oklch(86.9% 0.067 69.7)
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 #B4D8FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.034
- Light Blue #ADD8E6 ΔE 0.038
- Light Periwinkle #C1C6FC ΔE 0.047
- Light Blue Grey #B7C9E2 ΔE 0.047
- Powder Blue #B0E0E6 ΔE 0.047
- Celeste #A8DADC ΔE 0.055
- Cadet Gray #CED4DA ΔE 0.056
- Light Sky Blue #87CEFA ΔE 0.059
Use #B4D8FF 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.