#B5D3EB
Closest named color: Light Blue (#ADD8E6). oklch(85.3% 0.046 242.3), rgb(181, 211, 235).
Aa
Black text reads best on this color (13.48:1).
About this color
#B5D3EB is a light, muted blue. In OKLCH its lightness is 85%, its chroma 0.046 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.019 away. Black text reads best on it, at 13.48:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.48:1 |
| White text | 1.55:1 |
Values
| HEX | #B5D3EB |
| RGB | rgb(181, 211, 235) |
| HSL | hsl(207, 57%, 82%) |
| OKLCH | oklch(85.3% 0.046 242.3) |
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 #B5D3EB | 1.55:1 | Fails | Lc -28.9 | Dividers and decoration only |
| Black text on #B5D3EB | 13.48:1 | AAA | Lc 78.2 | Fine for body text |
| #B5D3EB text on white | 1.55:1 | Fails | Lc 25.6 | Dividers and decoration only |
| #B5D3EB text on black | 13.48:1 | AAA | Lc -77.5 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E0ECF5
oklch(93.7% 0.018 240)
-
Step 200
200 (this color)
#B5D3EB
oklch(85.3% 0.046 242.3)
-
Step 300
300
#9FC6E4
oklch(80.9% 0.06 241.6)
-
Step 400
400
#69A8D7
oklch(70.8% 0.095 242.1)
-
Step 500
500
#3A91CD
oklch(63.1% 0.122 242.5)
-
Step 600
600
#007ABA
oklch(55.6% 0.133 242.5)
-
Step 700
700
#00679D
oklch(49.2% 0.117 242)
-
Step 800
800
#005482
oklch(42.8% 0.102 242.4)
-
Step 900
900
#104668
oklch(37.8% 0.079 241.8)
-
Step 950
950
#0C293D
oklch(27% 0.051 242.2)
#B5D3EB 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) | #C9D2EC | 0.025 |
| Deuteranopia (no green cones) | #C2CCEB | 0.023 |
| Tritanopia (no blue cones) | #A6D9DB | 0.037 |
| Achromatopsia (no color) | #CFCFCF | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5D3EB
#B5D3EB
oklch(85.3% 0.046 242.3)
- #E5C9B0
#E5C9B0
oklch(85.3% 0.046 63.9)
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 #B5D3EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.019
- Light Blue Grey #B7C9E2 ΔE 0.026
- Celeste #A8DADC ΔE 0.036
- Powder Blue #B0E0E6 ΔE 0.038
- Baby Blue #A2CFFE ΔE 0.038
- Cadet Gray #CED4DA ΔE 0.039
- Light Steel Blue #B0C4DE ΔE 0.040
- Cloudy Blue #ACC2D9 ΔE 0.048
Use #B5D3EB 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.