#B5D4EF
Closest named color: Light Blue (#ADD8E6). oklch(85.6% 0.05 244.7), rgb(181, 212, 239).
Aa
Black text reads best on this color (13.62:1).
About this color
#B5D4EF is a light, muted blue. In OKLCH its lightness is 86%, its chroma 0.050 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.022 away. Black text reads best on it, at 13.62:1.
| Hue family | Blues |
| Lightness | light (86%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.62:1 |
| White text | 1.54:1 |
Values
| HEX | #B5D4EF |
| RGB | rgb(181, 212, 239) |
| HSL | hsl(208, 64%, 82%) |
| OKLCH | oklch(85.6% 0.05 244.7) |
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 #B5D4EF | 1.54:1 | Fails | Lc -28.2 | Dividers and decoration only |
| Black text on #B5D4EF | 13.62:1 | AAA | Lc 78.8 | Fine for body text |
| #B5D4EF text on white | 1.54:1 | Fails | Lc 24.9 | Dividers and decoration only |
| #B5D4EF text on black | 13.62:1 | AAA | Lc -78.2 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E0ECF6
oklch(93.7% 0.019 243)
-
Step 200
200 (this color)
#B5D4EF
oklch(85.6% 0.05 244.7)
-
Step 300
300
#9EC6E8
oklch(80.9% 0.064 244.3)
-
Step 400
400
#66A7DD
oklch(70.7% 0.104 245.1)
-
Step 500
500
#3590D3
oklch(63.1% 0.132 244.7)
-
Step 600
600
#0079BE
oklch(55.6% 0.139 244.6)
-
Step 700
700
#0066A1
oklch(49.2% 0.123 244.5)
-
Step 800
800
#005385
oklch(42.7% 0.107 244.8)
-
Step 900
900
#0D456C
oklch(37.7% 0.086 245)
-
Step 950
950
#0B293F
oklch(27.1% 0.054 244.1)
#B5D4EF 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) | #C9D4F0 | 0.025 |
| Deuteranopia (no green cones) | #C2CDEF | 0.023 |
| Tritanopia (no blue cones) | #A5DADD | 0.040 |
| Achromatopsia (no color) | #D0D0D0 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5D4EF
#B5D4EF
oklch(85.6% 0.05 244.7)
- #E8CAAE
#E8CAAE
oklch(85.7% 0.051 65.1)
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 #B5D4EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.022
- Light Blue Grey #B7C9E2 ΔE 0.029
- Baby Blue #A2CFFE ΔE 0.036
- Powder Blue #B0E0E6 ΔE 0.039
- Celeste #A8DADC ΔE 0.039
- Cadet Gray #CED4DA ΔE 0.041
- Light Steel Blue #B0C4DE ΔE 0.044
- Light Periwinkle #C1C6FC ΔE 0.048
Use #B5D4EF 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.